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Author SHA1 Message Date
Daniele Alessandri f97312d683 Bump VERSION, update CHANGELOG and release. 2011-04-01 20:34:50 +02:00
Daniele Alessandri 17f83a5605 Fix random stuff. 2011-04-01 20:20:44 +02:00
Daniele Alessandri b1254a1375 Update README. 2011-04-01 00:17:49 +02:00
Daniele Alessandri 572fb292f1 Remove default support for long command names. 2011-03-31 22:00:45 +02:00
Daniele Alessandri 6301ae1402 Minor changes in Predis\ConnectionParameters. 2011-03-31 21:45:22 +02:00
Daniele Alessandri 7644d7fbeb Simple naming change. 2011-03-31 13:48:39 +02:00
Daniele Alessandri 72e117673e Slight change for more readable code. 2011-03-31 13:00:00 +02:00
Daniele Alessandri 6b7f47e087 Use a faster alternative to initialize the underlying connection resource. 2011-03-31 12:46:21 +02:00
Daniele Alessandri 434b9dd0f7 Switch to the new lightweight response reader. 2011-03-31 11:15:12 +02:00
Daniele Alessandri e5f010deb8 Fix ISSUE #27. 2011-03-30 23:45:18 +02:00
Daniele Alessandri 785d0f429f Some more random code improvements. 2011-03-30 22:33:54 +02:00
Daniele Alessandri 736a102aba Replace awful code with a nicer, compact and faster solution. 2011-03-30 21:44:41 +02:00
Daniele Alessandri 6b2697a133 Fix wrong class check (copy and paste is evil). 2011-03-30 18:31:34 +02:00
Daniele Alessandri b6b732ec51 Implement an optional lightweight protocol reader. 2011-03-30 13:22:30 +02:00
Daniele Alessandri 1bc891bed1 Update CHANGELOG. 2011-03-27 12:23:40 +02:00
Daniele Alessandri 1e47fb88f3 Fix SINTERSTORE and SUNIONSTORE to accept an array for the list of source keys. 2011-03-27 10:27:19 +02:00
Daniele Alessandri b882344840 Upgrade to PHPUnit 3.5. 2011-03-27 09:29:46 +02:00
Daniele Alessandri e5e8a19c7a Fix MGET, SINTER and SUNION to accept also an array to specify the list of keys. 2011-03-26 23:16:55 +01:00
Daniele Alessandri ffcbc4fdb1 Fix SUBSCRIBE and PSUBSCRIBE so that they can accept a list of channels for subscription. 2011-03-26 22:57:03 +01:00
Daniele Alessandri e398ff977e Switch to Redis 2.2 as the default server profile. 2011-03-20 16:12:14 +01:00
Daniele Alessandri 18b44fae53 Fix a couple of corner cases for Predis\MultiExecBlock. 2011-03-20 15:26:02 +01:00
Daniele Alessandri e800f1904b Remove trailing spaces. 2011-03-08 12:27:59 +01:00
Daniele Alessandri c73d0b375b Update CHANGELOG. 2011-03-08 12:18:44 +01:00
Daniele Alessandri 9f1f07083a Add a VERSION constant to Predis\Client. 2011-03-08 12:16:40 +01:00
Daniele Alessandri e1f8942569 Update CHANGELOG. 2011-03-06 15:15:10 +01:00
Daniele Alessandri 235d311cb1 Change network resource handling in the internals of Predis\Connection. 2011-03-06 15:03:07 +01:00
Daniele Alessandri c03ab9480e Adjust the tests for SUBSTR/GETRANGE since the return value for empty string slices has been fixed in Redis 2.2.2. 2011-03-06 12:47:39 +01:00
Daniele Alessandri 6f46fa1f2d Improve the parsing of replies to INFO. 2011-03-06 12:30:42 +01:00
Daniele Alessandri 798e2b18dc Implement Predis\Command::__toString(). 2011-03-06 11:21:32 +01:00
Daniele Alessandri aaa16c8276 Remove ConnectionParameters::__toString() (reverts ca6ff4f and e67cfe2). 2011-03-06 11:13:53 +01:00
Daniele Alessandri e700061cc0 Change Predis\Connection in order to disable read/write timeouts when the value of 'read_write_timeout' is also equal to 0. 2011-03-06 11:11:42 +01:00
Daniele Alessandri e67cfe27b3 Use a slightly different approach for ConnectionParameters::__toString(). 2011-03-05 16:42:22 +01:00
Daniele Alessandri e6e638b79e Update README. 2011-03-05 15:26:21 +01:00
Daniele Alessandri 96132ee50c Force the test suite to run on a client initialized with the Redis 2.2 profile for now. 2011-03-05 15:18:37 +01:00
Daniele Alessandri f36d7a1d56 Implement a new command class for INFO to parse the new reply format for this command in Redis > 2.2. 2011-03-05 15:15:10 +01:00
Daniele Alessandri ca6ff4f734 Implement ConnectionParameters::__toString(). 2011-03-05 13:49:58 +01:00
Daniele Alessandri bc0e29c1d2 Fix comment. 2011-03-05 12:41:34 +01:00
Daniele Alessandri 627c3a1724 Test suite: move the test suite safeguard flag to PredisShared.php. 2011-03-05 12:37:57 +01:00
Daniele Alessandri 06d974c0bc Allow passing an array for the list of source keys to be used in ZUNIONSTORE/ZINTERSTORE. 2011-03-05 12:33:04 +01:00
Daniele Alessandri 6b6edbe6c2 Add support for connecting to Redis with UNIX domain sockets. 2011-03-01 21:46:41 +01:00
Daniele Alessandri f76d616d57 Bump VERSION. 2011-02-12 21:49:30 +01:00
Daniele Alessandri c41bb2c314 Fix bug reading zero-length values from a bulk response. 2011-02-12 21:48:18 +01:00
Daniele Alessandri d4fb7d9143 Update VERSION. 2011-02-12 21:30:52 +01:00
Daniele Alessandri ca422b0300 Bump VERSION, update CHANGELOG and release. 2011-02-12 11:46:08 +01:00
Daniele Alessandri 79372cb99b Add inline (p)subscribe via options on Predis\PubSubContext initialization. 2011-02-12 11:43:37 +01:00
Daniele Alessandri 6a2e4d0396 Bump year in LICENSE file. 2011-01-26 16:25:05 +01:00
Daniele Alessandri 78814a473c Update CHANGELOG. 2011-01-26 16:24:50 +01:00
Daniele Alessandri 0d7fe31110 Minor indentation fix. 2011-01-26 16:24:34 +01:00
Daniele Alessandri 118af2809c Use only one check for replies that should not be passed to a reply parser. 2011-01-14 17:07:00 +01:00
Daniele Alessandri 8dcd10dbbc Fix missing registration for the Redis 2.2 profile. 2011-01-13 12:32:31 +01:00
Daniele Alessandri 3a6907241b Promote the profile for Redis 2.2 as stable (the default for the client is still 2.0). 2011-01-13 12:26:19 +01:00
Daniele Alessandri eae29bc3da Do not use is_numeric() when it is not really needed (it is relatively slow). 2011-01-13 12:18:24 +01:00
Daniele Alessandri 727feb3f27 Remove usage of constants in the protocol handlers. 2011-01-13 12:13:46 +01:00
Daniele Alessandri 3924235501 Apply minor changes. 2011-01-13 12:09:46 +01:00
Daniele Alessandri dc704c8cc4 Remove unused variables. 2011-01-13 12:07:54 +01:00
Daniele Alessandri 8d6f65d3dd Add the 'on_retry' callback as an option for Predis\MultiExecBlock. 2011-01-13 12:06:11 +01:00
Daniele Alessandri 40dfabb139 Do not perform useless read operations in the bulk reply handler. 2011-01-13 00:17:03 +01:00
Daniele Alessandri a605190354 Update README. 2011-01-06 11:49:15 +01:00
Daniele Alessandri b5ce81a030 Update CHANGELOG. 2011-01-06 11:40:39 +01:00
Daniele Alessandri a9e1d6b86b Reflect the status of the current branch. 2011-01-06 11:37:12 +01:00
Daniele Alessandri 923d998f35 Fix namespacing issue. 2011-01-06 00:59:12 +01:00
Daniele Alessandri eae8fb8971 Minor code style change. 2011-01-06 00:55:38 +01:00
Daniele Alessandri 4fc5ee65fd Look for a closing curly brace in a string only after the index of the opening one when using key tags. 2011-01-06 00:55:38 +01:00
Daniele Alessandri 007ddaecfa Optimize when a pair of curly brackets for key tagging is missing. 2011-01-06 00:55:38 +01:00
Daniele Alessandri 455e56927a Create a new class to handle the old response type of KEYS (Redis v1.2). 2011-01-06 00:55:38 +01:00
Daniele Alessandri 4b1302a93a Use a faster method to detect errors when reading a line from the server. 2011-01-06 00:55:00 +01:00
Daniele Alessandri d46b0e0785 Reuse code a bit. 2011-01-06 00:55:00 +01:00
Daniele Alessandri cf522ff2b4 Use a local cache for handlers while iterating chunks of a multi-bulk reply. 2011-01-06 00:54:10 +01:00
Daniele Alessandri db92c7a9b8 Reduce overhead by directly managing reply handlers for multibulk replies. 2011-01-06 00:54:10 +01:00
Daniele Alessandri 30926def60 Rewrite the bulk reply handler (more compact and faster code). 2011-01-06 00:54:10 +01:00
Daniele Alessandri 7465daa0eb More strict check of the length argument for a network read. 2011-01-06 00:52:56 +01:00
Daniele Alessandri 2c761d6c95 Remove a useless check for the payload length. 2011-01-06 00:52:56 +01:00
Daniele Alessandri 1e32f8aaa8 Use an explicit index to add values to the multi-bulk reply array. 2011-01-06 00:52:55 +01:00
Daniele Alessandri 2a25b0e3f3 Nothing fancy, and hardly an optimization. 2011-01-06 00:52:55 +01:00
Daniele Alessandri 5a6a48fa17 Avoid allocating an iterator to traverse the arguments list of a command. 2011-01-06 00:52:55 +01:00
Daniele Alessandri 64951b1799 Preallocate an empty array for empty command arguments. 2011-01-06 00:52:04 +01:00
Daniele Alessandri ec42796cb2 Bump version, update CHANGELOG, fasten seat belts and get ready for this new year release. 2011-01-01 18:49:46 +01:00
Daniele Alessandri c75bdd9509 Update README. 2011-01-01 17:14:08 +01:00
Daniele Alessandri 12c3e611a0 Update CHANGELOG. 2011-01-01 14:40:28 +01:00
Daniele Alessandri 0c9b822095 Code style changes only. 2011-01-01 13:49:55 +01:00
Daniele Alessandri 030d9740bd Cannot execute with a transaction block after using fluent interface style with Predis\MultiExecBlock. 2011-01-01 13:49:39 +01:00
Daniele Alessandri 0bbbe064b5 Improve fluent-interface style for transactions with CAS. 2011-01-01 13:49:39 +01:00
Daniele Alessandri 87439ae631 Cannot use the 'retry' option for transactions without providing a function block. 2011-01-01 13:49:39 +01:00
Daniele Alessandri d8c227e074 Add an example for MULTI/EXEC transactions using CAS. 2011-01-01 13:49:38 +01:00
Daniele Alessandri 7997eab57c Do not fail with empty transactions when using CAS. 2011-01-01 13:49:38 +01:00
Daniele Alessandri 2bc61ea0bc Update README. 2011-01-01 13:49:38 +01:00
Daniele Alessandri d667bcb6bb Fix and optimize WATCH with CAS. 2011-01-01 13:49:38 +01:00
Daniele Alessandri e3dd311dd3 Add support for optional automatic retries upon aborted transactions. 2011-01-01 13:49:08 +01:00
Daniele Alessandri 34f4d5584b Support DISCARD with CAS. 2011-01-01 13:49:08 +01:00
Daniele Alessandri 39619d0c54 Add support for check-and-set (CAS) for transactions with Predis\MultiExecBlock. 2011-01-01 13:49:08 +01:00
Daniele Alessandri 07a998ebdf Test suite: tiny fix in a test for LINSERT (again, this time for real). 2011-01-01 13:47:23 +01:00
Daniele Alessandri b73b9682c0 Test suite: tiny fix in a test for LINSERT. 2010-12-21 18:37:02 +01:00
Daniele Alessandri 355d6b6cf4 Update CHANGELOG. 2010-12-18 17:16:06 +01:00
Daniele Alessandri fe2316a655 Test suite: temporary fix for testSetExpire(). 2010-12-18 17:14:17 +01:00
Daniele Alessandri 7b2cd4abd0 Remove unused class. 2010-12-18 17:11:13 +01:00
Daniele Alessandri 35fd6ca509 New command: BRPOPLPUSH (Redis v2.2-dev). 2010-12-18 17:09:28 +01:00
Daniele Alessandri dea03a6aa9 Test suite: move up testStrlen(). 2010-12-18 16:53:31 +01:00
Daniele Alessandri fb5f878e21 New command: GETBIT (Redis v2.2-dev). 2010-12-18 16:53:26 +01:00
Daniele Alessandri e3ee595768 New command: SETBIT (Redis v2.2-dev). 2010-12-18 15:53:01 +01:00
Daniele Alessandri cc16311950 New command: SETRANGE (Redis v2.2-dev). 2010-12-18 13:11:59 +01:00
Daniele Alessandri f32cd19800 New command: GETRANGE (Redis v2.2-dev - replaces SUBSTR). 2010-12-18 12:36:04 +01:00
Daniele Alessandri 7db5e650ef Bump version and... release! 2010-11-28 20:23:39 +01:00
Daniele Alessandri 975bd98933 Update CHANGELOG. 2010-11-28 19:22:26 +01:00
Daniele Alessandri 7d5cccaf7c Overridden methods for UNWATCH and DISCARD in Predis\MultiExecBlock must return $this to not break method chaining. 2010-11-28 19:19:48 +01:00
Daniele Alessandri 08b1761e10 Fix a bunch of broken tests. 2010-11-28 17:21:46 +01:00
Daniele Alessandri 24f49abc14 Update CHANGELOG. 2010-11-28 16:54:02 +01:00
Daniele Alessandri b530f9f613 New command: PERSIST (Redis v2.2-dev). 2010-11-28 16:49:20 +01:00
Daniele Alessandri d677c72ae3 New command: ZREVRANGEBYSCORE (Redis v2.2-dev). 2010-11-28 16:39:07 +01:00
Daniele Alessandri c3cf2acb51 Update CHANGELOG. 2010-09-25 17:54:52 +02:00
Daniele Alessandri 8bfae69bf0 Make WATCH accept an array of keys that must be watched. 2010-09-25 17:52:23 +02:00
Daniele Alessandri 92d6ad62ce Test suite: add test for WATCH in Predis\MultiExecBlock. 2010-09-25 17:08:30 +02:00
Daniele Alessandri fa4d654d38 Update CHANGELOG. 2010-09-25 17:04:29 +02:00
Daniele Alessandri 9ac4571f91 Fix improper handling of a few corner cases for Predis\MultiExecBlock and send DISCARD to the server on uncaught exceptions inside a callable block. 2010-09-25 16:55:31 +02:00
Daniele Alessandri fea5e1c602 Test suite: add missing tests for Predis\MultiExecBlock. 2010-09-25 16:53:21 +02:00
Daniele Alessandri ec51b14fbb Fix an infinite recursion loop when calling Predis\Client::multiExec() (ISSUE #14). 2010-09-25 16:52:59 +02:00
Daniele Alessandri dc56526256 New commands: RPUSHX, LPUSHX (Redis v2.2-dev). 2010-09-25 16:38:16 +02:00
Daniele Alessandri 195c6eae99 New command: LINSERT (Redis v2.2-dev). 2010-09-25 16:34:18 +02:00
Daniele Alessandri 9ae47c865e New command: STRLEN (Redis v2.2-dev). 2010-09-25 16:31:35 +02:00
Daniele Alessandri d3ba25436c Slight micro-optimization. 2010-09-25 16:26:55 +02:00
Daniele Alessandri 580cf80436 Get the connection out of a cluster only once inside Predis\Client::getClientFor(). 2010-09-18 18:56:39 +02:00
Daniele Alessandri d6bea4390e Perform (p)unsubscribtion only if (p)subscribed to a channel when the destructor for Predis\PubSubContext is invoked. 2010-09-17 22:24:59 +02:00
Daniele Alessandri fd7f4a7b48 Make arguments handling more solid for the SORT command. 2010-09-17 22:11:37 +02:00
Daniele Alessandri 92f7e8bf9b Remove useless code duplication. 2010-09-17 21:56:31 +02:00
Daniele Alessandri 006b44e4bf Fix checks on the value for the STORE argument (ISSUE #13). 2010-09-17 11:36:47 +02:00
Daniele Alessandri bd961a767b Update CHANGELOG. It's release time! 2010-07-11 17:12:28 +02:00
Daniele Alessandri b3599a8e6b Update CHANGELOG. 2010-07-11 17:11:58 +02:00
Daniele Alessandri 0b46de424e Test suite: add a test for the LIMIT modifier of ZRANGEBYSCORE configured via associative array. 2010-07-11 17:02:33 +02:00
Daniele Alessandri 73bdfc2d72 Fix handling of the WEIGHT modifier for ZUNIONSTORE and ZINTERSTORE with more than two weights specified. 2010-07-11 16:35:03 +02:00
Daniele Alessandri 3077e76708 Update CHANGELOG. 2010-07-11 16:24:06 +02:00
Daniele Alessandri 208fdf6daf Update CHANGELOG. 2010-07-11 15:32:14 +02:00
Daniele Alessandri 7d7995ff8f Update CHANGELOG. 2010-07-07 20:07:15 +02:00
Daniele Alessandri 418197af75 Add tests for the new options handling for the ZRANGE commands family. 2010-07-07 19:59:16 +02:00
Daniele Alessandri 90cb9d437d Add support for the LIMIT modifier in ZRANGEBYSCORE. 2010-07-07 19:58:52 +02:00
Daniele Alessandri 4668bdca83 ZRANGE, ZREVRANGE and ZRANGEBYSCORE accepts an array instance for optional modifiers. 2010-07-07 19:58:41 +02:00
Daniele Alessandri 93a3c184ed Bump version number. 2010-07-02 22:31:39 +02:00
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language: php
php:
- 5.3
- 5.4
branches:
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v0.6.6 (2011-04-01)
* Switched to Redis 2.2 as the default server profile (there are no changes
that would break compatibility with previous releases). Long command names
are no more supported by default but if you need them you can still require
Predis_Compatibility.php to avoid breaking compatibility.
* Added a VERSION constant to Predis\Client.
* Some performance improvements for multibulk replies (parsing them is about
16% faster than the previous version). A few core classes have been heavily
optimized to reduce overhead when creating new instances.
* Predis now uses by default a new protocol reader, more lightweight and
faster than the default handler-based one. Users can revert to the old
protocol reader with the 'reader' client option set to 'composable'.
This client option can also accept custom reader classes implementing the
new Predis\IResponseReader interface.
* Added support for connecting to Redis using UNIX domain sockets (ISSUE #25).
* The "read_write_timeout" connection parameter can now be set to 0 or false
to disable read and write timeouts on connections. The old behaviour of -1
is still intact.
* ZUNIONSTORE and ZINTERSTORE can accept an array to specify a list of the
source keys to be used to populate the destination key.
* MGET, SINTER, SUNION and SDIFF can accept an array to specify the list of
keys. SINTERSTORE, SUNIONSTORE and SDIFFSTORE can also accept an array to
specify the list of source keys.
* SUBSCRIBE and PSUBSCRIBE can accept a list of channels for subscription.
* FIX: some client-side clean-ups for MULTI/EXEC were handled incorrectly in
a couple of corner cases. See also ISSUE #27.
v0.6.5 (2011-02-12)
* FIX: due to an untested internal change introduced in v0.6.4, a wrong
handling of bulk reads of zero-length values was producing protocol
desynchronization errors (ISSUE #20).
v0.6.4 (2011-02-12)
* Various performance improvements (15% ~ 25%) especially when dealing with
long multibulk replies or when using clustered connections.
* Added the "on_retry" option to Predis\MultiExecBlock that can be used to
specify an external callback (or any callable object) that gets invoked
whenever a transaction is aborted by the server.
* Added inline (p)subscribtion via options when initializing an instance of
Predis\PubSubContext.
v0.6.3 (2011-01-01)
* New commands available in the Redis v2.2 profile (dev):
- Strings: SETRANGE, GETRANGE, SETBIT, GETBIT
- Lists : BRPOPLPUSH
* The abstraction for MULTI/EXEC transactions has been dramatically improved
by providing support for check-and-set (CAS) operations when using Redis >=
2.2. Aborted transactions can also be optionally replayed in automatic up
to a user-defined number of times, after which a Predis\AbortedMultiExec
exception is thrown.
v0.6.2 (2010-11-28)
* Minor internal improvements and clean ups.
* New commands available in the Redis v2.2 profile (dev):
- Strings: STRLEN
- Lists : LINSERT, RPUSHX, LPUSHX
- ZSets : ZREVRANGEBYSCORE
- Misc. : PERSIST
* WATCH also accepts a single array parameter with the keys that should be
monitored during a transaction.
* Improved the behaviour of Predis\MultiExecBlock in certain corner cases.
* Improved parameters checking for the SORT command.
* FIX: the STORE parameter for the SORT command didn't work correctly when
using '0' as the target key (ISSUE #13).
* FIX: the methods for UNWATCH and DISCARD do not break anymore method
chaining with Predis\MultiExecBlock.
v0.6.1 (2010-07-11)
* Minor internal improvements and clean ups.
* New commands available in the Redis v2.2 profile (dev):
- Misc. : WATCH, UNWATCH
* Optional modifiers for ZRANGE, ZREVRANGE and ZRANGEBYSCORE queries are
supported using an associative array passed as the last argument of their
respective methods.
* The LIMIT modifier for ZRANGEBYSCORE can be specified using either:
- an indexed array: array($offset, $count)
- an associative array: array('offset' => $offset, 'count' => $count)
* The method Predis\Client::__construct() now accepts also instances of
Predis\ConnectionParameters.
* Predis\MultiExecBlock and Predis\PubSubContext now throw an exception
when trying to create their instances using a profile that does not
support the required Redis commands or when the client is connected to
a cluster of connections.
* Various improvements to Predis\MultiExecBlock:
- fixes and more consistent behaviour across various usage cases.
- support for WATCH and UNWATCH when using the current development
profile (Redis v2.2) and aborted transactions.
* New signature for Predis\Client::multiExec() which is now able to accept
an array of options for the underlying instance of Predis\MultiExecBlock.
Backwards compatibility with previous releases of Predis is ensured.
* New signature for Predis\Client::pipeline() which is now able to accept
an array of options for the underlying instance of Predis\CommandPipeline.
Backwards compatibility with previous releases of Predis is ensured.
The method Predis\Client::pipelineSafe() is to be considered deprecated.
* FIX: The WEIGHT modifier for ZUNIONSTORE and ZINTERSTORE was handled
incorrectly with more than two weights specified.
v0.6.0 (2010-05-24)
* Switched to the new multi-bulk request protocol for all of the commands
in the Redis 1.2 and Redis 2.0 profiles. Inline and bulk requests are now
deprecated as they will be removed in future releases of Redis.
* The default server profile is "2.0" (targeting Redis 2.0.x). If you are
using older versions of Redis, it is highly recommended that you specify
which server profile the client should use (e.g. "1.2" when connecting
to instances of Redis 1.2.x).
* Support for Redis 1.0 is now optional and it is provided by requiring
'Predis_Compatibility.php' before creating an instance of Predis\Client.
* New commands added to the Redis 2.0 profile since Predis 0.5.1:
- Strings: SETEX, APPEND, SUBSTR
- ZSets : ZCOUNT, ZRANK, ZUNIONSTORE, ZINTERSTORE, ZREMBYRANK, ZREVRANK
- Hashes : HSET, HSETNX, HMSET, HINCRBY, HGET, HMGET, HDEL, HEXISTS,
HLEN, HKEYS, HVALS, HGETALL
- PubSub : PUBLISH, SUBSCRIBE, UNSUBSCRIBE
- Misc. : DISCARD, CONFIG
* Introduced client-level options with the new Predis\ClientOptions class.
Options can be passed to Predis\Client::__construct in its second argument
as an array or an instance of Predis\ClientOptions. For brevity's sake and
compatibility with older versions, the constructor of Predis\Client still
accepts an instance of Predis\RedisServerProfile in its second argument.
The currently supported client options are:
- profile [default: "2.0" as of Predis 0.6.0]
specifies which server profile to use when connecting to Redis. This
option accepts an instance of Predis\RedisServerProfile or a string
that indicates the target version.
- key_distribution [default: Predis\Distribution\HashRing]
specifies which key distribution strategy to use to distribute keys
among the servers that compose a cluster. This option accepts an
instance of Predis\Distribution\IDistributionStrategy so that users
can implement their own key distribution strategy. Optionally, the new
Predis\Distribution\KetamaPureRing class also provides a pure-PHP
implementation of the same algorithm used by libketama.
- throw_on_error [default: TRUE]
server errors can optionally be handled "silently": instead of throwing
an exception, the client returns an error response type.
- iterable_multibulk [EXPERIMENTAL - default: FALSE]
in addition to the classic way of fetching a whole multibulk reply
into an array, the client can now optionally stream a multibulk reply
down to the user code by using PHP iterators. It is just a little bit
slower, but it can save a lot of memory in certain scenarios.
* New parameters for connections:
- alias [default: not set]
every connection can now be identified by an alias that is useful to
get a certain connection when connected to a cluster of Redis servers.
- weight [default: not set]
allows the client to balance the keys asymmetrically across multiple
servers. This might be useful when you have servers with different
amounts of memory and you want to distribute the load of your keys
accordingly.
- connection_async [default: FALSE]
estabilish connections to servers in a non-blocking way, so that the
client is not blocked while the underlying resource performs the actual
connection.
- connection_persistent [default: FALSE]
the underlying connection resource is left open when a script ends its
lifecycle. Persistent connections can lead to unpredictable or strange
behaviours, so they should be used with extreme care.
* Introduced the Predis\Pipeline\IPipelineExecutor interface. Classes that
implements this interface are used internally by the Predis\CommandPipeline
class to change the behaviour of the pipeline when writing/reading commands
from one or multiple servers. Here is the list of the default executors:
- Predis\Pipeline\StandardExecutor
Exceptions generated by server errors might be thrown depending on the
options passed to the client (see "throw_on_error"). Instead, protocol
or network errors always throw exceptions. This is the default executor
for single and clustered connections and shares the same behaviour of
Predis 0.5.x.
- Predis\Pipeline\SafeExecutor
Exceptions generated by server, protocol or network errors are not
thrown, instead they are returned in the response array as instances of
ResponseError or CommunicationException.
- Predis\Pipeline\SafeClusterExecutor
This executor shares the same behaviour of Predis\Pipeline\SafeExecutor
but it is geared towards clustered connections.
* Support for PUBSUB is handled by the new Predis\PubSubContext class, which
could also be used to build a callback dispatcher for PUBSUB scenarios.
* When connected to a cluster of connections, it is now possible to get a
new Predis\Client instance for a single connection of the cluster by
passing its alias/index to the new Predis\Client::getClientFor() method.
* CommandPipeline and MultiExecBlock return their instances when invoking
commands, thus allowing method chaining in pipelines and multi-exec blocks.
* MultiExecBlock instances can handle the new DISCARD command.
* Connections now support float values for the connection_timeout parameter
to express timeouts with a microsecond resolution.
* FIX: TCP connections now respect the read/write timeout parameter when
reading the payload of server responses. Previously, stream_get_contents()
was being used internally to read data from a connection but it looks like
PHP does not honour the specified timeout for socket streams when inside
this function.
* FIX: The GET parameter for the SORT command now accepts also multiple key
patterns by passing an array of strings. (ISSUE #1).
* FIX: Replies to the DEL command return the number of elements deleted by
the server and not 0 or 1 interpreted as a boolean response. (ISSUE #4).
v0.5.1 (2010-01-23)
* RPOPLPUSH has been changed from bulk command to inline command in Redis
1.2.1, so ListPopLastPushHead now extends InlineCommand. The old RPOPLPUSH
behavior is still available via the ListPopLastPushHeadBulk class so that
you can override the server profile if you need the old (and uncorrect)
behaviour when connecting to a Redis 1.2.0 instance.
* Added missing support for BGREWRITEAOF for Redis >= 1.2.0
* Implemented a factory method for the RedisServerProfile class to ease the
creation of new server profile instances based on a version string.
v0.5.0 (2010-01-09)
* First versioned release of Predis
-408
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@@ -1,408 +0,0 @@
v0.7.3 (2012-06-01)
===============================================================================
- New commands available in the Redis v2.6 profile (dev): `BITOP`, `BITCOUNT`.
- When the number of keys `Predis\Commands\ScriptedCommand` is negative, Predis
will count from the end of the arguments list to calculate the actual number
of keys that will be interpreted as elements for `KEYS` by the underlying
`EVAL` command.
- __FIX__: `examples\CustomDistributionStrategy.php` had a mistyped constructor
call and produced a bad distribution due to an error as pointed in ISSUE #63.
This bug is limited to the above mentioned example and does not affect the
classes implemented in the `Predis\Distribution` namespace.
- __FIX__: `Predis\Commands\ServerEvalSHA::getScriptHash()` was calculating the
hash while it just needs to return the first argument of the command.
- __FIX__: `Predis\Autoloader` has been modified to allow cascading autoloaders
for the `Predis` namespace.
v0.7.2 (2012-04-01)
===============================================================================
- Added `2.6` in the server profiles aliases list for the upcoming Redis 2.6.
`2.4` is still the default server profile. `dev` now targets Redis 2.8.
- Connection instances can be serialized and unserialized using `serialize()`
and `unserialize()`. This is handy in certain scenarios such as client-side
clustering or replication to lower the overhead of initializing a connection
object with many sub-connections since unserializing them can be up to 5x
times faster.
- Reworked the default autoloader to make it faster. It is also possible to
prepend it in PHP's autoload stack.
- __FIX__: fixed parsing of the payload returned by `MONITOR` with Redis 2.6.
v0.7.1 (2011-12-27)
===============================================================================
- The PEAR channel on PearHub has been deprecated in favour of `pear.nrk.io`.
- Miscellaneous minor fixes.
- Added transparent support for master / slave replication configurations where
write operations are performed on the master server and read operations are
routed to one of the slaves. Please refer to ISSUE #21 for a bit of history
and more details about replication support in Predis.
- The `profile` client option now accepts a callable object used to initialize
a new instance of `Predis\Profiles\IServerProfile`.
- Exposed a method for MULTI / EXEC contexts that adds the ability to execute
instances of Redis commands against transaction objects.
v0.7.0 (2011-12-11)
===============================================================================
- Predis now adheres to the PSR-0 standard which means that there is no more a
single file holding all the classes of the library, but multiple files (one
for each class). You can use any PSR-0 compatible autoloader to load Predis
or just leverage the default one shipped with the library by requiring the
`Predis/Autoloader.php` and call `Predis\Autoloader::register()`.
- The default server profile for Redis is now 2.4. The `dev` profile supports
all the features of Redis 2.6 (currently unstable) such as Lua scripting.
- Support for long aliases (method names) for Redis commands has been dropped.
- Redis 1.0 is no more supported. From now on Predis will use only the unified
protocol to serialize commands.
- It is possible to prefix keys transparently on a client-level basis with the
new `prefix` client option.
- An external connection factory is used to initialize new connection instances
and developers can now register their own connection classes using the new
`connections` client option.
- It is possible to connect locally to Redis using UNIX domain sockets. Just
use `unix:///path/to/redis.sock` or a named array just like in the following
example: `array('scheme' => 'unix', 'path' => '/path/to/redis.sock');`.
- If the `phpiredis` extension is loaded by PHP, it is now possible to use an
alternative connection class that leverages it to make Predis faster on many
cases, especially when dealing with big multibulk replies, with the the only
downside that persistent connections are not supported. Please refer to the
documentation to see how to activate this class using the new `connections`
client option.
- Predis is capable to talk with Webdis, albeit with some limitations such as
the lack of pipelining and transactions, just by using the `http` scheme in
in the connection parameters. All is needed is PHP with the `curl` and the
`phpiredis` extensions loaded.
- Way too many changes in the public API to make a list here, we just tried to
make all the Redis commands compatible with previous releases of v0.6 so that
you do not have to worry if you are simply using Predis as a client. Probably
the only breaking changes that should be mentioned here are:
- `throw_on_error` has been renamed to `throw_errors` and it is a connection
parameter instead of a client option, along with `iterable_multibulk`.
- `key_distribution` has been removed from the client options. To customize
the distribution strategy you must provide a callable object to the new
`cluster` client option to configure and then return a new instance of
`Predis\Network\IConnectionCluster`.
- `Predis\Client::create()` has been removed. Just use the constructor to set
up a new instance of `Predis\Client`.
- `Predis\Client::pipelineSafe()` was deprecated in Predis v0.6.1 and now has
finally removed. Use `Predis\Client::pipeline(array('safe' => true))`.
- `Predis\Client::rawCommand()` has been removed due to inconsistencies with
the underlying connection abstractions. You can still get the raw resource
out of a connection with `Predis\Network\IConnectionSingle::getResource()`
so that you can talk directly with Redis.
- The `Predis\MultiBulkCommand` class has been merged into `Predis\Command` and
thus removed. Serialization of commands is now a competence of connections.
- The `Predis\IConnection` interface has been splitted into two new interfaces:
`Predis\Network\IConnectionSingle` and `Predis\Network\IConnectionCluster`.
- The constructor of `Predis\Client` now accepts more type of arguments such as
instances of `Predis\IConnectionParameters` and `Predis\Network\IConnection`.
v0.6.6 (2011-04-01)
===============================================================================
- Switched to Redis 2.2 as the default server profile (there are no changes
that would break compatibility with previous releases). Long command names
are no more supported by default but if you need them you can still require
`Predis_Compatibility.php` to avoid breaking compatibility.
- Added a `VERSION` constant to `Predis\Client`.
- Some performance improvements for multibulk replies (parsing them is about
16% faster than the previous version). A few core classes have been heavily
optimized to reduce overhead when creating new instances.
- Predis now uses by default a new protocol reader, more lightweight and
faster than the default handler-based one. Users can revert to the old
protocol reader with the `reader` client option set to `composable`.
This client option can also accept custom reader classes implementing the
new `Predis\IResponseReader` interface.
- Added support for connecting to Redis using UNIX domain sockets (ISSUE #25).
- The `read_write_timeout` connection parameter can now be set to 0 or false
to disable read and write timeouts on connections. The old behaviour of -1
is still intact.
- `ZUNIONSTORE` and `ZINTERSTORE` can accept an array to specify a list of the
source keys to be used to populate the destination key.
- `MGET`, `SINTER`, `SUNION` and `SDIFF` can accept an array to specify a list
of keys. `SINTERSTORE`, `SUNIONSTORE` and `SDIFFSTORE` can also accept an
array to specify the list of source keys.
- `SUBSCRIBE` and `PSUBSCRIBE` can accept a list of channels for subscription.
- __FIX__: some client-side clean-ups for `MULTI/EXEC` were handled incorrectly
in a couple of corner cases (ISSUE #27).
v0.6.5 (2011-02-12)
===============================================================================
- __FIX__: due to an untested internal change introduced in v0.6.4, a wrong
handling of bulk reads of zero-length values was producing protocol
desynchronization errors (ISSUE #20).
v0.6.4 (2011-02-12)
===============================================================================
- Various performance improvements (15% ~ 25%) especially when dealing with
long multibulk replies or when using clustered connections.
- Added the `on_retry` option to `Predis\MultiExecBlock` that can be used to
specify an external callback (or any callable object) that gets invoked
whenever a transaction is aborted by the server.
- Added inline (p)subscribtion via options when initializing an instance of
`Predis\PubSubContext`.
v0.6.3 (2011-01-01)
===============================================================================
- New commands available in the Redis v2.2 profile (dev):
- Strings: `SETRANGE`, `GETRANGE`, `SETBIT`, `GETBIT`
- Lists : `BRPOPLPUSH`
- The abstraction for `MULTI/EXEC` transactions has been dramatically improved
by providing support for check-and-set (CAS) operations when using Redis >=
2.2. Aborted transactions can also be optionally replayed in automatic up
to a user-defined number of times, after which a `Predis\AbortedMultiExec`
exception is thrown.
v0.6.2 (2010-11-28)
===============================================================================
- Minor internal improvements and clean ups.
- New commands available in the Redis v2.2 profile (dev):
- Strings: `STRLEN`
- Lists : `LINSERT`, `RPUSHX`, `LPUSHX`
- ZSets : `ZREVRANGEBYSCORE`
- Misc. : `PERSIST`
- WATCH also accepts a single array parameter with the keys that should be
monitored during a transaction.
- Improved the behaviour of `Predis\MultiExecBlock` in certain corner cases.
- Improved parameters checking for the SORT command.
- __FIX__: the `STORE` parameter for the `SORT` command didn't work correctly
when using `0` as the target key (ISSUE #13).
- __FIX__: the methods for `UNWATCH` and `DISCARD` do not break anymore method
chaining with `Predis\MultiExecBlock`.
v0.6.1 (2010-07-11)
===============================================================================
- Minor internal improvements and clean ups.
- New commands available in the Redis v2.2 profile (dev):
- Misc. : `WATCH`, `UNWATCH`
- Optional modifiers for `ZRANGE`, `ZREVRANGE` and `ZRANGEBYSCORE` queries are
supported using an associative array passed as the last argument of their
respective methods.
- The `LIMIT` modifier for `ZRANGEBYSCORE` can be specified using either:
- an indexed array: `array($offset, $count)`
- an associative array: `array('offset' => $offset, 'count' => $count)`
- The method `Predis\Client::__construct()` now accepts also instances of
`Predis\ConnectionParameters`.
- `Predis\MultiExecBlock` and `Predis\PubSubContext` now throw an exception
when trying to create their instances using a profile that does not
support the required Redis commands or when the client is connected to
a cluster of connections.
- Various improvements to `Predis\MultiExecBlock`:
- fixes and more consistent behaviour across various usage cases.
- support for `WATCH` and `UNWATCH` when using the current development
profile (Redis v2.2) and aborted transactions.
- New signature for `Predis\Client::multiExec()` which is now able to accept
an array of options for the underlying instance of `Predis\MultiExecBlock`.
Backwards compatibility with previous releases of Predis is ensured.
- New signature for `Predis\Client::pipeline()` which is now able to accept
an array of options for the underlying instance of Predis\CommandPipeline.
Backwards compatibility with previous releases of Predis is ensured.
The method `Predis\Client::pipelineSafe()` is to be considered deprecated.
- __FIX__: The `WEIGHT` modifier for `ZUNIONSTORE` and `ZINTERSTORE` was
handled incorrectly with more than two weights specified.
v0.6.0 (2010-05-24)
===============================================================================
- Switched to the new multi-bulk request protocol for all of the commands
in the Redis 1.2 and Redis 2.0 profiles. Inline and bulk requests are now
deprecated as they will be removed in future releases of Redis.
- The default server profile is `2.0` (targeting Redis 2.0.x). If you are
using older versions of Redis, it is highly recommended that you specify
which server profile the client should use (e.g. `1.2` when connecting
to instances of Redis 1.2.x).
- Support for Redis 1.0 is now optional and it is provided by requiring
'Predis_Compatibility.php' before creating an instance of Predis\Client.
- New commands added to the Redis 2.0 profile since Predis 0.5.1:
- Strings: `SETEX`, `APPEND`, `SUBSTR`
- ZSets : `ZCOUNT`, `ZRANK`, `ZUNIONSTORE`, `ZINTERSTORE`, `ZREMBYRANK`,
`ZREVRANK`
- Hashes : `HSET`, `HSETNX`, `HMSET`, `HINCRBY`, `HGET`, `HMGET`, `HDEL`,
`HEXISTS`, `HLEN`, `HKEYS`, `HVALS`, `HGETALL`
- PubSub : `PUBLISH`, `SUBSCRIBE`, `UNSUBSCRIBE`
- Misc. : `DISCARD`, `CONFIG`
- Introduced client-level options with the new `Predis\ClientOptions` class.
Options can be passed to the constructor of `Predis\Client` in its second
argument as an array or an instance of Predis\ClientOptions. For brevity's
sake and compatibility with older versions, the constructor still accepts
an instance of `Predis\RedisServerProfile` in its second argument. The
currently supported client options are:
- `profile` [default: `2.0` as of Predis 0.6.0]: specifies which server
profile to use when connecting to Redis. This option accepts an instance
of `Predis\RedisServerProfile` or a string that indicates the version.
- `key_distribution` [default: `Predis\Distribution\HashRing`]: specifies
which key distribution strategy to use to distribute keys among the
servers that compose a cluster. This option accepts an instance of
`Predis\Distribution\IDistributionStrategy` so that users can implement
their own key distribution strategy. `Predis\Distribution\KetamaPureRing`
is an alternative distribution strategy providing a pure-PHP implementation
of the same algorithm used by libketama.
- `throw_on_error` [default: `TRUE`]: server errors can optionally be handled
"silently": instead of throwing an exception, the client returns an error
response type.
- `iterable_multibulk` [EXPERIMENTAL - default: `FALSE`]: in addition to the
classic way of fetching a whole multibulk reply into an array, the client
can now optionally stream a multibulk reply down to the user code by using
PHP iterators. It is just a little bit slower, but it can save a lot of
memory in certain scenarios.
- New parameters for connections:
- `alias` [default: not set]: every connection can now be identified by an
alias that is useful to get a specific connections when connected to a
cluster of Redis servers.
- `weight` [default: not set]: allows to balance keys asymmetrically across
multiple servers. This is useful when you have servers with different
amounts of memory to distribute the load of your keys accordingly.
- `connection_async` [default: `FALSE`]: estabilish connections to servers
in a non-blocking way, so that the client is not blocked while the socket
resource performs the actual connection.
- `connection_persistent` [default: `FALSE`]: the underlying socket resource
is left open when a script ends its lifecycle. Persistent connections can
lead to unpredictable or strange behaviours, so they should be used with
extreme care.
- Introduced the `Predis\Pipeline\IPipelineExecutor` interface. Classes that
implements this interface are used internally by the `Predis\CommandPipeline`
class to change the behaviour of the pipeline when writing/reading commands
from one or multiple servers. Here is the list of the default executors:
- `Predis\Pipeline\StandardExecutor`: exceptions generated by server errors
might be thrown depending on the options passed to the client (see the
`throw_on_error` client option). Instead, protocol or network errors always
throw exceptions. This is the default executor for single and clustered
connections and shares the same behaviour of Predis 0.5.x.
- `Predis\Pipeline\SafeExecutor`: exceptions generated by server, protocol
or network errors are not thrown but returned in the response array as
instances of `Predis\ResponseError` or `Predis\CommunicationException`.
- `Predis\Pipeline\SafeClusterExecutor`: this executor shares the same
behaviour of `Predis\Pipeline\SafeExecutor` but it is geared towards
clustered connections.
- Support for PUB/SUB is handled by the new `Predis\PubSubContext` class, which
could also be used to build a callback dispatcher for PUB/SUB scenarios.
- When connected to a cluster of connections, it is now possible to get a
new `Predis\Client` instance for a single connection of the cluster by
passing its alias/index to the new `Predis\Client::getClientFor()` method.
- `Predis\CommandPipeline` and `Predis\MultiExecBlock` return their instances
when invokink commands, thus allowing method chaining in pipelines and
multi-exec blocks.
- `Predis\MultiExecBlock` can handle the new `DISCARD` command.
- Connections now support float values for the `connection_timeout` parameter
to express timeouts with a microsecond resolution.
- __FIX__: TCP connections now respect the read/write timeout parameter when
reading the payload of server responses. Previously, `stream_get_contents()`
was being used internally to read data from a connection but it looks like
PHP does not honour the specified timeout for socket streams when inside
this function.
- __FIX__: The `GET` parameter for the `SORT` command now accepts also multiple
key patterns by passing an array of strings. (ISSUE #1).
* __FIX__: Replies to the `DEL` command return the number of elements deleted
by the server and not 0 or 1 interpreted as a boolean response. (ISSUE #4).
v0.5.1 (2010-01-23)
===============================================================================
* `RPOPLPUSH` has been changed from bulk command to inline command in Redis
1.2.1, so `ListPopLastPushHead` now extends `InlineCommand`. The old behavior
is still available via the `ListPopLastPushHeadBulk` class so that you can
override the server profile if you need the old (and uncorrect) behaviour
when connecting to a Redis 1.2.0 instance.
* Added missing support for `BGREWRITEAOF` for Redis >= 1.2.0.
* Implemented a factory method for the `RedisServerProfile` class to ease the
creation of new server profile instances based on a version string.
v0.5.0 (2010-01-09)
===============================================================================
* First versioned release of Predis
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# Some frequently asked questions about the performances of Predis #
____________________________________________
### Predis is a pure-PHP implementation: it can not be fast enough! ###
It really depends, but most of the times the answer is: _yes, it is fast enough_. I will give you
a couple of easy numbers using a single Predis client with PHP 5.3.5 (custom build) and Redis 2.2
(localhost) under Ubuntu 11.04 (running on a Intel Q6600):
19600 SET/sec using 12 bytes for both key and value
18900 GET/sec while retrieving the very same values
0.200 seconds to fetch 30000 keys using _KEYS *_.
How does it compare with a nice C-based extension such as [__phpredis__](http://github.com/nicolasff/phpredis)?
30500 SET/sec using 12 bytes for both key and value
31000 GET/sec while retrieving the very same values
0.030 seconds to fetch 30000 keys using "KEYS *"".
Wow, __phpredis__ looks so much faster! Well we are comparing a C extension with a pure-PHP library so
lower numbers are quite expected, but there is a fundamental flaw in them: is this really how you are
going to use Redis in your application? Are you really going to send thousands of commands in a for-loop
for each page request using a single client instance? If so, well I guess you are probably doing something
wrong. Also, if you need to SET or GET multiple keys you should definitely use commands such as MSET and
MGET. You can also use pipelining to get more performances when this technique can be used.
There is one more thing. We have tested the overhead of Predis by connecting on a localhost instance of
Redis, but how these numbers change when we hit the network by connecting to instances of Redis that
reside on other servers?
Using Predis:
3600 SET/sec using 12 bytes for both key and value
3600 GET/sec while retrieving the very same values
0.210 seconds to fetch 30000 keys using "KEYS *".
Using phpredis:
4000 SET/sec using 12 bytes for both key and value
4000 GET/sec while retrieving the very same values
0.051 seconds to fetch 30000 keys using "KEYS *".
There you go, you get almost the same average numbers and the reason is quite simple: network latency
is a real performance killer and you cannot do (almost) anything about that. As a disclaimer, please
remember that we are measuring the overhead of client libraries implementations and the effects of the
network round-trip time, we are not really measuring how fast Redis is. Redis shines the best with
thousands of concurrent clients doing requests! Also, actual performances should be measured according
to how your application will use Redis.
### I am convinced, but performances for multi-bulk replies (e.g. _KEYS *_) are still worse ###
Fair enough, but there is actually an option for you if you need even more speed and it consists on
installing __[phpiredis](http://github.com/seppo0010/phpiredis)__ (note the additional _i_ in the
name) and let Predis using it. __phpiredis__ is a C-based extension that wraps __hiredis__ (the
official Redis C client library) with a thin layer that exposes its features to PHP. You will now
get the benefits of a faster protocol parser just by adding a single line of code in your application:
$client = new Predis\Client('tcp://127.0.0.1', array(
'connections' => array('tcp' => 'Predis\Network\PhpiredisConnection')
));
As simple as it is, nothing will really change in the way you use the library in your application. So,
how fast is it now? There are not much improvements for inline or short bulk replies (e.g. _SET_ or
_GET_), but the speed for parsing multi-bulk replies is now on par with phpredis:
Using Predis with a phpiredis-based connection to fetch 30000 keys using _KEYS *_:
0.031 seconds from a local Redis instance
0.058 seconds from a remote Redis instance
### If I need to install a C extension to get better performances, why not using phpredis? ###
Good question. Generically speaking, if you need absolute uber-speed using localhost instances of Redis
and you do not care about abstractions built around some Redis features such as MULTI / EXEC, or if you
do not need any kind of extensibility or guaranteed backwards compatibility with different versions of
Redis (Predis currently supports from 1.2 up to 2.2, and even the current development version), then
using __phpredis__ can make sense for you. Otherwise, Predis is for you. Using __phpiredis__ gives you
a nice speed bump, but it is not mandatory.
-100
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# Some frequently asked questions about Predis #
____________________________________________
### What is the point of Predis? ###
The main point of Predis is about offering a highly customizable client for Redis that can be easily
extended by developers while still being reasonabily fast. With Predis you can swap almost any class
used internally with your own custom implementation: you can build connection classes, or new
distribution strategies for client-side sharding, or class handlers to replace existing commands or
add new ones. All of this can be achieved without messing with the source code of the library and
directly in your own application. Given the fast pace at which Redis is developed and adds new
features, this can be a great asset that allows you to add new and still missing features or commands,
or change the behaviour of the library without the need to break your dependencies in production code
(well, at least to some degree).
### How about performances? ###
Please refer to the dedicated __FAQ.PERFORMANCES__ file.
### Why PHP 5.3? ###
Seriously, are you still using PHP 5.2 to build new applications? I assume that if you are throwing Redis
in the mix, then you are probably coding something new after all. PHP 5.3 is faster, less memory hungry
and has a few nice features such as namespaces and closures (kind of). More importantly, PHP 5.2 is not
even officially supported anymore (aside from security patches). PHP 5.3 is not the future of PHP, but
its current present. Furthermore, most of the existing frameworks out there are also making the switch
with their respective new major versions. If you still insist on using PHP 5.2, you can get any recent
backported release of Predis 0.6.x, or just use a different library.
### Why so many files for just one library? ###
Before v0.7, Predis used the one-big-file approach to distribute the library. As much as you prefer having
just one file for everything, this kind of solution is actually not that good. Predis now complies with the
[PSR-0](http://groups.google.com/group/php-standards/web/psr-0-final-proposal) standard to play nice with
the major recent frameworks and libraries, so it needs an autoloader function to be defined. If you still
want to have just one file grouping all the classes for whatever reason, then the __bin/create-single-file.php__
script in the repository can generate it for you. There is also the __bin/create-phar.php__ script that
generates a single [Phar archive](http://www.php.net/manual/en/intro.phar.php) of the whole library.
### Does Predis support UNIX domain sockets and persistent connections? ###
Yes. Obviously, persistent connections actually work when using PHP configured as a persistent process that
gets recycled between requests (see [PHP-FPM](http://php-fpm.org/)).
### Does Predis support transparent (de)serialization of values? ###
No, and it will not ever do that for you by default. The reason behind this decision is that serialization
is usually something that developers prefer to customize depending on their needs and can not be easily
generalized when using Redis because of the many possible access patterns for the data. This does not
mean that it is impossible to have such a feature, you can leverage Predis' extensibility to define your
own serialization-aware commands. See [here](http://github.com/nrk/predis/issues/29#issuecomment-1202624)
for more details on how to implement such a feature with a practical example.
### How can I force Predis to connect to Redis before sending any command? ###
Explicitly connecting to Redis is usually not needed since the client library relies on lazily initialized
connections to the server, but this behavior can be inconvenient in certain scenarios when you absolutely
need to do an upfront check to detect if the server is up and running and eventually catch exceptions on
failures. In this case developers can use `Predis\Client::connect()` to explicitly connect to the server:
```
$client = new Predis\Client();
try {
$client->connect();
}
catch (Predis\Network\ConnectionException $exception) {
// We could not connect to Redis! Your handling code goes here.
}
$client->info();
```
### How Predis implements abstraction of Redis commands? ###
The approach used in Predis to implement the abstraction of Redis commands is quite simple. By default
every command in the library follows exactly the same argument list as defined in the great online
[Redis documentation](http://redis.io/commands) which makes things pretty easy if you already know how
Redis works or if you need to look up how to use certain commands. Alternatively, variadic commands can
accept an array for keys or values (depending on the command) instead of a list of arguments. See for
example how [RPUSH](http://redis.io/commands/rpush) or [HMSET](http://redis.io/commands/hmset) work:
```
$client->rpush('my:list', 'value1', 'value2', 'value3'); // values as arguments
$client->rpush('my:list', array('value1', 'value2', 'value3')); // values as single argument array
$client->hmset('my:hash', 'field1', 'value1', 'field2', 'value2'); // values as arguments
$client->hmset('my:hash', array('field1'=>'value1', 'field2'=>'value2'); // values as single named array
```
The only exception to this _rule_ is the [SORT](http://redis.io/commands/sort) command for which modifiers are
[passed using a named array](https://github.com/nrk/predis/blob/v0.7.1/tests/Predis/Commands/KeySortTest.php#L56-77).
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Copyright (c) 2009-2012 Daniele Alessandri
Copyright (c) 2009-2011 Daniele Alessandri
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
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# Predis #
## About ##
Predis is a flexible and feature-complete PHP client library for the Redis key-value
database. It currently comes in two flavors:
- the mainline client library, which targets PHP 5.3.x and leverages a lot of the
features introduced in this new version of the PHP interpreter.
- a backport to PHP 5.2.x for those who can not upgrade their environment yet
(it admittedly has a lower priority compared to the mainline library, although we
try to keep the two versions aligned as much as possible).
Please refer to the TODO file to see which issues are still pending and what is due
to be implemented soon in Predis.
## Main features ##
- Full support for Redis 2.0 and 2.2. Different versions of Redis are supported via server profiles.
- Client-side sharding (support for consistent hashing and custom distribution strategies).
- Command pipelining on single and multiple connections (transparent).
- Abstraction for Redis transactions (>= 2.0) with support for CAS operations (>= 2.2).
- Lazy connections (connections to Redis instances are only established just in time).
- Ability to connect to Redis using TCP/IP or UNIX domain sockets.
- Flexible system to define and register your own set of commands to a client instance.
## Quick examples ##
See the [official wiki](http://wiki.github.com/nrk/predis) of the project for a more
complete coverage of all the features available in Predis.
### Connecting to a local instance of Redis ###
You don't have to specify a tcp host and port when connecting to Redis instances
running on the localhost on the default port:
$redis = new Predis\Client();
$redis->set('library', 'predis');
$value = $redis->get('library');
### Pipelining multiple commands to a remote instance of Redis ##
Pipelining helps with performances when there is the need to issue many commands
to a server in one go:
$redis = new Predis\Client('redis://10.0.0.1:6379/');
$replies = $redis->pipeline(function($pipe) {
$pipe->ping();
$pipe->incrby('counter', 10);
$pipe->incrby('counter', 30);
$pipe->get('counter');
});
### Pipelining multiple commands to multiple instances of Redis (sharding) ##
Predis supports data sharding using consistent-hashing on keys on the client side.
Furthermore, a pipeline can be initialized on a cluster of redis instances in the
same exact way they are created on single connection. Sharding is still transparent
to the user:
$redis = new Predis\Client(array(
array('host' => '10.0.0.1', 'port' => 6379),
array('host' => '10.0.0.2', 'port' => 6379)
));
$replies = $redis->pipeline(function($pipe) {
for ($i = 0; $i < 1000; $i++) {
$pipe->set("key:$i", str_pad($i, 4, '0', 0));
$pipe->get("key:$i");
}
});
### Definition and runtime registration of new commands on the client ###
Let's suppose Redis just added the support for a brand new feature associated
with a new command. If you want to start using the above mentioned new feature
right away without messing with Predis source code or waiting for it to find
its way into a stable Predis release, then you can start off by creating a new
class that matches the command type and its behaviour and then bind it to a
client instance at runtime. Actually, it is easier done than said:
class BrandNewRedisCommand extends \Predis\MultiBulkCommand {
public function getCommandId() { return 'NEWCMD'; }
}
$redis = new Predis\Client();
$redis->getProfile()->registerCommand('BrandNewRedisCommand', 'newcmd');
$redis->newcmd();
## Development ##
Predis is fully backed up by a test suite which tries to cover all the aspects of the
client library and the interaction of every single command with a Redis server. If you
want to work on Predis, it is highly recommended that you first run the test suite to
be sure that everything is OK, and report strange behaviours or bugs.
The recommended way to contribute to Predis is to fork the project on GitHub, fix or
add features on your newly created repository and then submit issues on the Predis
issue tracker with a link to your repository. Obviously, you can use any other Git
hosting provider of you preference. Diff patches will be accepted too, even though
they are not the preferred way to contribute to Predis.
When modifying Predis please be sure that no warnings or notices are emitted by PHP
by running the interpreter in your development environment with the "error_reporting"
variable set to E_ALL | E_STRICT.
## Dependencies ##
- PHP >= 5.3.0 (for the mainline client library)
- PHP >= 5.2.6 (for the backported client library)
- PHPUnit (needed to run the test suite)
## Links ##
### Project ###
- [Source code](http://github.com/nrk/predis/)
- [Wiki](http://wiki.github.com/nrk/predis/)
- [Issue tracker](http://github.com/nrk/predis/issues)
### Related ###
- [Redis](http://code.google.com/p/redis/)
- [PHP](http://php.net/)
- [PHPUnit](http://www.phpunit.de/)
- [Git](http://git-scm.com/)
## Author ##
[Daniele Alessandri](mailto:suppakilla@gmail.com)
## Contributors ##
[Lorenzo Castelli](http://github.com/lcastelli)
## License ##
The code for Predis is distributed under the terms of the MIT license (see LICENSE).
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# Predis #
Predis is a flexible and feature-complete PHP (>= 5.3) client library for the Redis key-value store.
For a list of frequently asked questions about Predis, see the __FAQ__ file in the root of the repository.
For a version compatible with PHP 5.2 you must use the backported version from the latest release in the
0.6.x series. More details are available on the [official wiki](http://wiki.github.com/nrk/predis) of the
project.
## Main features ##
- Complete support for Redis from __1.2__ to __2.6__ and unstable versions using different server profiles.
- Client-side sharding with support for consistent hashing or custom distribution strategies.
- Support for master / slave replication configurations (write on master, read from slaves).
- Command pipelining on single and aggregated connections.
- Transparent key prefixing strategy capable of handling any command known that has keys in its arguments.
- Abstraction for Redis transactions (Redis >= 2.0) with support for CAS operations (Redis >= 2.2).
- Connections to Redis instances are automatically and lazily estabilished upon the first call to a command.
- Ability to connect to Redis using TCP/IP or UNIX domain sockets with support for persistent connections.
- Ability to use alternative connection classes to use different types of network or protocol backends.
- Flexible system to define and register your own set of commands or server profiles to client instances.
## How to use Predis ##
Predis is available on [Packagist](http://packagist.org/packages/predis/predis) for an easy installation
using [Composer](http://packagist.org/about-composer). Composer helps you manage dependencies for your
projects and libraries without much hassle which makes it the preferred way to get up and running with
new applications. Alternatively, the library is available on our [own PEAR channel](http://pear.nrk.io)
for a more traditional installation via PEAR. Zip and tar.gz archives are also downloadable from GitHub
by browsing the list of [tagged releases](http://github.com/nrk/predis/tags).
### Loading the library ###
Predis relies on the autoloading features of PHP to automatically load the needed files and complies
with the [PSR-0 standard](http://github.com/php-fig/fig-standards/blob/master/accepted/PSR-0.md) for
interoperability with most of the major frameworks and libraries. Everything is transparently handled
for you when installing the library using Composer, but you can also leverage its own autoloader class
if you are going to use it in a project or script without any PSR-0 compliant autoloading facility:
``` php
<?php
// prepend a base path if Predis is not present in your "include_path".
require 'Predis/Autoloader.php';
Predis\Autoloader::register();
```
You can create a single [Phar](http://www.php.net/manual/en/intro.phar.php) archive from the repository
just by launching the `bin/create-phar.php` executable script. The generated Phar archive ships with a
stub defining an autoloader function for Predis, so you just need to require the Phar to be able to use
the library.
Alternatively you can generate a single PHP file that holds every class, just like older versions of
Predis, using the `bin/create-single-file.php` executable script. In this way you can load Predis in your
scripts simply by using functions such as `require` and `include`, but this practice is not encouraged.
### Connecting to a local instance of Redis ###
When connecting to local instance of Redis (`127.0.0.1` on port `6379`), you do not have to specify any
additional parameter to create a new client instance:
``` php
<?php
$redis = new Predis\Client();
$redis->set('foo', 'bar');
$value = $redis->get('foo');
```
However you can use an URI string or a named array to specify the needed connection parameters:
``` php
<?php
$redis = new Predis\Client('tcp://10.0.0.1:6379');
// is equivalent to:
$redis = new Predis\Client(array(
'scheme' => 'tcp',
'host' => '10.0.0.1',
'port' => 6379,
));
```
### Pipelining multiple commands to multiple instances of Redis with client-side sharding ###
Pipelining helps with performances when there is the need to send many commands to a server in one go.
Furthermore, pipelining works transparently even on aggregated connections. To achieve this, Predis
supports client-side sharding using consistent-hashing on keys while clustered connections are supported
natively by the client class.
``` php
<?php
$redis = new Predis\Client(array(
array('host' => '10.0.0.1', 'port' => 6379),
array('host' => '10.0.0.2', 'port' => 6379)
));
$replies = $redis->pipeline(function($pipe) {
for ($i = 0; $i < 1000; $i++) {
$pipe->set("key:$i", str_pad($i, 4, '0', 0));
$pipe->get("key:$i");
}
});
```
### Overriding standard connection classes with custom ones ###
Predis allows developers to create new connection classes to add support for new protocols or override
the existing ones and provide a different implementation compared to the default classes. This can be
obtained by subclassing the `Predis\Network\IConnectionSingle` interface.
``` php
<?php
class MyConnectionClass implements Predis\Network\IConnectionSingle
{
// implementation goes here
}
// Let Predis automatically use your own class to handle connections identified by the tcp scheme.
$client = new Predis\Client('tcp://127.0.0.1', array(
'connections' => array('tcp' => 'MyConnectionClass')
));
```
The classes contained in the `Predis\Network` namespace give you a better insight with actual code on
how to create new connection classes.
### Defining and registering new commands on the client at runtime ###
Let's suppose Redis just added the support for a brand new feature associated with a new command. If
you want to start using the above mentioned new feature right away without messing with Predis source
code or waiting for it to find its way into a stable Predis release, then you can start off by creating
a new class that matches the command type and its behaviour and then bind it to a client instance at
runtime. Actually, it is easier done than said:
``` php
<?php
class BrandNewRedisCommand extends Predis\Commands\Command
{
public function getId()
{
return 'NEWCMD';
}
}
$redis = new Predis\Client();
$redis->getProfile()->defineCommand('newcmd', 'BrandNewRedisCommand');
$redis->newcmd();
```
## Test suite ##
__ATTENTION__: Do not ever run the test suite shipped with Predis against instances of Redis running in
production environments or containing data you are interested in!
Predis has a comprehensive test suite covering every aspect of the library. The suite performs integration
tests against a running instance of Redis (>= 2.4.0 is required) to verify the correct behaviour of the
implementation of each command and automatically skips commands not defined in the selected version of
Redis. If you do not have Redis up and running, integration tests can be disabled. By default, the test
suite is configured to execute integration tests using the server profile for Redis v2.4 (which is the
current stable version of Redis). You can optionally run the suite against a Redis instance built from
the `unstable` branch with the development profile by changing the `REDIS_SERVER_VERSION` to `dev` in
the `phpunit.xml` file. More details about testing Predis are available in `tests/README.md`.
Predis uses Travis CI for continuous integration. You can find the results of the test suite and the build
history [on its project page](http://travis-ci.org/nrk/predis).
## Contributing ##
If you want to work on Predis, it is highly recommended that you first run the test suite in order to
check that everything is OK, and report strange behaviours or bugs. When modifying Predis please make
sure that no warnings or notices are emitted by PHP by running the interpreter in your development
environment with the `error_reporting` variable set to `E_ALL | E_STRICT`.
The recommended way to contribute to Predis is to fork the project on GitHub, create new topic branches
on your newly created repository to fix or add features (possibly with tests covering your modifications)
and then open a new pull request with a description of the applied changes. Obviously you can use any
other Git hosting provider of your preference.
## Dependencies ##
- PHP >= 5.3.2
- PHPUnit >= 3.5.0 (needed to run the test suite)
## Links ##
### Project ###
- [Source code](http://github.com/nrk/predis/)
- [Wiki](http://wiki.github.com/nrk/predis/)
- [Issue tracker](http://github.com/nrk/predis/issues)
- [PEAR channel](http://pear.nrk.io)
### Related ###
- [Redis](http://redis.io/)
- [PHP](http://php.net/)
- [PHPUnit](http://www.phpunit.de/)
- [Git](http://git-scm.com/)
## Author ##
- [Daniele Alessandri](mailto:suppakilla@gmail.com) ([twitter](http://twitter.com/JoL1hAHN))
## Contributors ##
- [Lorenzo Castelli](http://github.com/lcastelli)
- [Jordi Boggiano](http://github.com/Seldaek) ([twitter](http://twitter.com/seldaek))
- [Sebastian Waisbrot](http://github.com/seppo0010) ([twitter](http://twitter.com/seppo0010))
for his work on extending [phpiredis](http://github.com/seppo0010/phpiredis) for Predis
## License ##
The code for Predis is distributed under the terms of the MIT license (see LICENSE).
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* Documentation! The README is obviously not enought to show how to use Predis
as it does not cover all of its features.
* Documentation! The README is obviously not enought to show how to use
Predis as it does not cover all of its features.
* Add more tests targeting specific functions of the library.
* Missing tests for commands:
PUBLISH, SUBSCRIBE, UNSUBSCRIBE, PSUBSCRIBE, PUNSUBSCRIBE
+1 -1
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0.7.3
0.6.6
-14
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<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
require __DIR__.'/lib/Predis/Autoloader.php';
Predis\Autoloader::register();
-71
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#!/usr/bin/env php
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
// -------------------------------------------------------------------------- //
// In order to be able to execute this script to create a Phar archive of Predis,
// the Phar module must be loaded and the "phar.readonly" directive php.ini must
// be set to "off". You can change the values in the $options array to customize
// the creation of the Phar archive to better suit your needs.
// -------------------------------------------------------------------------- //
$options = array(
'name' => 'predis',
'project_path' => __DIR__ . '/../lib/',
'compression' => Phar::NONE,
'append_version' => true,
);
function getPharFilename($options)
{
$filename = $options['name'];
// NOTE: do not consider "append_version" with Phar compression do to a bug in
// Phar::compress() when renaming phar archives containing dots in their name.
if ($options['append_version'] && $options['compression'] === Phar::NONE) {
$versionFile = @fopen(__DIR__ . '/../VERSION', 'r');
if ($versionFile === false) {
throw new Exception("Could not locate the VERSION file.");
}
$version = trim(fgets($versionFile));
fclose($versionFile);
$filename .= "_$version";
}
return "$filename.phar";
}
function getPharStub($options)
{
return <<<EOSTUB
<?php
Phar::mapPhar('predis.phar');
spl_autoload_register(function(\$class) {
if (strpos(\$class, 'Predis\\\\') === 0) {
\$file = 'phar://predis.phar/'.strtr(\$class, '\\\', '/').'.php';
if (file_exists(\$file)) {
require \$file;
return true;
}
}
});
__HALT_COMPILER();
EOSTUB;
}
// -------------------------------------------------------------------------- //
$phar = new Phar(getPharFilename($options));
$phar->compress($options['compression']);
$phar->setStub(getPharStub($options));
$phar->buildFromDirectory($options['project_path']);
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#!/usr/bin/env php
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
// -------------------------------------------------------------------------- //
// This script can be used to automatically glue all the .php files of Predis
// into a single monolithic script file that can be used without an autoloader,
// just like the other previous versions of the library.
//
// Much of its complexity is due to the fact that we cannot simply join PHP
// files, but namespaces and classes definitions must follow a precise order
// when dealing with subclassing and inheritance.
//
// The current implementation is pretty naïve, but it should do for now.
// -------------------------------------------------------------------------- //
class CommandLine
{
public static function getOptions()
{
$parameters = array(
's:' => 'source:',
'o:' => 'output:',
'e:' => 'exclude:',
'E:' => 'exclude-classes:',
);
$getops = getopt(implode(array_keys($parameters)), $parameters);
$options = array(
'source' => __DIR__ . "/../lib/",
'output' => PredisFile::NS_ROOT . '.php',
'exclude' => array(),
);
foreach ($getops as $option => $value) {
switch ($option) {
case 's':
case 'source':
$options['source'] = $value;
break;
case 'o':
case 'output':
$options['output'] = $value;
break;
case 'E':
case 'exclude-classes':
$options['exclude'] = @file($value, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES) ?: $value;
break;
case 'e':
case 'exclude':
$options['exclude'] = is_array($value) ? $value : array($value);
break;
}
}
return $options;
}
}
class PredisFile
{
const NS_ROOT = 'Predis';
private $namespaces;
public function __construct()
{
$this->namespaces = array();
}
public static function from($libraryPath, Array $exclude = array())
{
$nsroot = self::NS_ROOT;
$predisFile = new PredisFile();
$libIterator = new RecursiveDirectoryIterator("$libraryPath$nsroot");
foreach (new RecursiveIteratorIterator($libIterator) as $classFile)
{
if (!$classFile->isFile()) {
continue;
}
$namespace = strtr(str_replace($libraryPath, '', $classFile->getPath()), '/', '\\');
if (in_array(sprintf('%s\\%s', $namespace, $classFile->getBasename('.php')), $exclude)) {
continue;
}
$phpNamespace = $predisFile->getNamespace($namespace);
if ($phpNamespace === false) {
$phpNamespace = new PhpNamespace($namespace);
$predisFile->addNamespace($phpNamespace);
}
$phpClass = new PhpClass($phpNamespace, $classFile);
}
return $predisFile;
}
public function addNamespace(PhpNamespace $namespace)
{
if (isset($this->namespaces[(string)$namespace])) {
throw new InvalidArgumentException("Duplicated namespace");
}
$this->namespaces[(string)$namespace] = $namespace;
}
public function getNamespaces()
{
return $this->namespaces;
}
public function getNamespace($namespace)
{
if (!isset($this->namespaces[$namespace])) {
return false;
}
return $this->namespaces[$namespace];
}
public function getClassByFQN($classFqn)
{
if (($nsLastPos = strrpos($classFqn, '\\')) !== false) {
$namespace = $this->getNamespace(substr($classFqn, 0, $nsLastPos));
if ($namespace === false) {
return null;
}
$className = substr($classFqn, $nsLastPos + 1);
return $namespace->getClass($className);
}
return null;
}
private function calculateDependencyScores(&$classes, $fqn)
{
if (!isset($classes[$fqn])) {
$classes[$fqn] = 0;
}
$classes[$fqn] += 1;
if (($phpClass = $this->getClassByFQN($fqn)) === null) {
throw new RuntimeException(
"Cannot found the class $fqn which is required by other subclasses. Are you missing a file?"
);
}
foreach ($phpClass->getDependencies() as $fqn) {
$this->calculateDependencyScores($classes, $fqn);
}
}
private function getDependencyScores()
{
$classes = array();
foreach ($this->getNamespaces() as $phpNamespace) {
foreach ($phpNamespace->getClasses() as $phpClass) {
$this->calculateDependencyScores($classes, $phpClass->getFQN());
}
}
return $classes;
}
private function getOrderedNamespaces($dependencyScores)
{
$namespaces = array_fill_keys(array_unique(
array_map(
function($fqn) { return PhpNamespace::extractName($fqn); },
array_keys($dependencyScores)
)
), 0);
foreach ($dependencyScores as $classFqn => $score) {
$namespaces[PhpNamespace::extractName($classFqn)] += $score;
}
arsort($namespaces);
return array_keys($namespaces);
}
private function getOrderedClasses(PhpNamespace $phpNamespace, $classes)
{
$nsClassesFQNs = array_map(function($cl) { return $cl->getFQN(); }, $phpNamespace->getClasses());
$nsOrderedClasses = array();
foreach ($nsClassesFQNs as $nsClassFQN) {
$nsOrderedClasses[$nsClassFQN] = $classes[$nsClassFQN];
}
arsort($nsOrderedClasses);
return array_keys($nsOrderedClasses);
}
public function getPhpCode()
{
$buffer = array("<?php\n\n", PhpClass::LICENSE_HEADER, "\n\n");
$classes = $this->getDependencyScores();
$namespaces = $this->getOrderedNamespaces($classes);
foreach ($namespaces as $namespace) {
$phpNamespace = $this->getNamespace($namespace);
// generate namespace directive
$buffer[] = $phpNamespace->getPhpCode();
$buffer[] = "\n";
// generate use directives
$useDirectives = $phpNamespace->getUseDirectives();
if (count($useDirectives) > 0) {
$buffer[] = $useDirectives->getPhpCode();
$buffer[] = "\n";
}
// generate classes bodies
$nsClasses = $this->getOrderedClasses($phpNamespace, $classes);
foreach ($nsClasses as $classFQN) {
$buffer[] = $this->getClassByFQN($classFQN)->getPhpCode();
$buffer[] = "\n\n";
}
$buffer[] = "/* " . str_repeat("-", 75) . " */";
$buffer[] = "\n\n";
}
return implode($buffer);
}
public function saveTo($outputFile)
{
// TODO: add more sanity checks
if ($outputFile === null || $outputFile === '') {
throw new InvalidArgumentException('You must specify a valid output file');
}
file_put_contents($outputFile, $this->getPhpCode());
}
}
class PhpNamespace implements IteratorAggregate
{
private $namespace;
private $classes;
public function __construct($namespace)
{
$this->namespace = $namespace;
$this->classes = array();
$this->useDirectives = new PhpUseDirectives($this);
}
public static function extractName($fqn)
{
$nsSepLast = strrpos($fqn, '\\');
if ($nsSepLast === false) {
return $fqn;
}
$ns = substr($fqn, 0, $nsSepLast);
return $ns !== '' ? $ns : null;
}
public function addClass(PhpClass $class)
{
$this->classes[$class->getName()] = $class;
}
public function getClass($className)
{
if (isset($this->classes[$className])) {
return $this->classes[$className];
}
}
public function getClasses()
{
return array_values($this->classes);
}
public function getIterator()
{
return new \ArrayIterator($this->getClasses());
}
public function getUseDirectives()
{
return $this->useDirectives;
}
public function getPhpCode()
{
return "namespace $this->namespace;\n";
}
public function __toString()
{
return $this->namespace;
}
}
class PhpUseDirectives implements Countable, IteratorAggregate
{
private $use;
private $aliases;
private $namespace;
public function __construct(PhpNamespace $namespace)
{
$this->use = array();
$this->aliases = array();
$this->namespace = $namespace;
}
public function add($use, $as = null)
{
if (in_array($use, $this->use)) {
return;
}
$this->use[] = $use;
$this->aliases[$as ?: PhpClass::extractName($use)] = $use;
}
public function getList()
{
return $this->use;
}
public function getIterator()
{
return new \ArrayIterator($this->getList());
}
public function getPhpCode()
{
$reducer = function($str, $use) { return $str .= "use $use;\n"; };
return array_reduce($this->getList(), $reducer, '');
}
public function getNamespace()
{
return $this->namespace;
}
public function getFQN($className)
{
if (($nsSepFirst = strpos($className, '\\')) === false) {
if (isset($this->aliases[$className])) {
return $this->aliases[$className];
}
return (string)$this->getNamespace() . "\\$className";
}
if ($nsSepFirst != 0) {
throw new InvalidArgumentException("Partially qualified names are not supported");
}
return $className;
}
public function count()
{
return count($this->use);
}
}
class PhpClass
{
const LICENSE_HEADER = <<<LICENSE
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
LICENSE;
private $namespace;
private $file;
private $body;
private $implements;
private $extends;
private $name;
public function __construct(PhpNamespace $namespace, SplFileInfo $classFile)
{
$this->namespace = $namespace;
$this->file = $classFile;
$this->implements = array();
$this->extends = array();
$this->extractData();
$namespace->addClass($this);
}
public static function extractName($fqn)
{
$nsSepLast = strrpos($fqn, '\\');
if ($nsSepLast === false) {
return $fqn;
}
return substr($fqn, $nsSepLast + 1);
}
private function extractData()
{
$useDirectives = $this->getNamespace()->getUseDirectives();
$useExtractor = function($m) use($useDirectives) {
$useDirectives->add(($namespacedPath = $m[1]));
};
$classBuffer = stream_get_contents(fopen($this->getFile()->getPathname(), 'r'));
$classBuffer = str_replace(self::LICENSE_HEADER, '', $classBuffer);
$classBuffer = preg_replace('/<\?php\s?\\n\s?/', '', $classBuffer);
$classBuffer = preg_replace('/\s?\?>\n?/ms', '', $classBuffer);
$classBuffer = preg_replace('/namespace\s+[\w\d_\\\\]+;\s?/', '', $classBuffer);
$classBuffer = preg_replace_callback('/use\s+([\w\d_\\\\]+)(\s+as\s+.*)?;\s?\n?/', $useExtractor, $classBuffer);
$this->body = trim($classBuffer);
$this->extractHierarchy();
}
private function extractHierarchy()
{
$implements = array();
$extends = array();
$extractor = function($iterator, $callback) {
$className = '';
$iterator->seek($iterator->key() + 1);
while ($iterator->valid()) {
$token = $iterator->current();
if (is_string($token)) {
if (preg_match('/\s?,\s?/', $token)) {
$callback(trim($className));
$className = '';
}
else if ($token == '{') {
$callback(trim($className));
return;
}
}
switch ($token[0]) {
case T_NS_SEPARATOR:
$className .= '\\';
break;
case T_STRING:
$className .= $token[1];
break;
case T_IMPLEMENTS:
case T_EXTENDS:
$callback(trim($className));
$iterator->seek($iterator->key() - 1);
return;
}
$iterator->next();
}
};
$tokens = token_get_all("<?php\n" . trim($this->getPhpCode()));
$iterator = new ArrayIterator($tokens);
while ($iterator->valid()) {
$token = $iterator->current();
if (is_string($token)) {
$iterator->next();
continue;
}
switch ($token[0]) {
case T_CLASS:
case T_INTERFACE:
$iterator->seek($iterator->key() + 2);
$tk = $iterator->current();
$this->name = $tk[1];
break;
case T_IMPLEMENTS:
$extractor($iterator, function($fqn) use (&$implements) {
$implements[] = $fqn;
});
break;
case T_EXTENDS:
$extractor($iterator, function($fqn) use (&$extends) {
$extends[] = $fqn;
});
break;
}
$iterator->next();
}
$this->implements = $this->guessFQN($implements);
$this->extends = $this->guessFQN($extends);
}
public function guessFQN($classes)
{
$useDirectives = $this->getNamespace()->getUseDirectives();
return array_map(array($useDirectives, 'getFQN'), $classes);
}
public function getImplementedInterfaces($all = false)
{
if ($all) {
return $this->implements;
}
return array_filter(
$this->implements,
function ($cn) { return strpos($cn, 'Predis\\') === 0; }
);
}
public function getExtendedClasses($all = false)
{
if ($all) {
return $this->extemds;
}
return array_filter(
$this->extends,
function ($cn) { return strpos($cn, 'Predis\\') === 0; }
);
}
public function getDependencies($all = false)
{
return array_merge(
$this->getImplementedInterfaces($all),
$this->getExtendedClasses($all)
);
}
public function getNamespace()
{
return $this->namespace;
}
public function getFile()
{
return $this->file;
}
public function getName()
{
return $this->name;
}
public function getFQN()
{
return (string)$this->getNamespace() . '\\' . $this->name;
}
public function getPhpCode()
{
return $this->body;
}
public function __toString()
{
return "class " . $this->getName() . '{ ... }';
}
}
/* -------------------------------------------------------------------------- */
$options = CommandLine::getOptions();
$predisFile = PredisFile::from($options['source'], $options['exclude']);
$predisFile->saveTo($options['output']);
-260
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@@ -1,260 +0,0 @@
#!/usr/bin/env php
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
// -------------------------------------------------------------------------- //
// This script can be used to automatically generate a file with the scheleton
// of a test case to test a Redis command by specifying the name of the class
// in the Predis\Commands namespace (only classes in this namespace are valid).
// For example, to generate a test case for SET (which is represented by the
// Predis\Commands\StringSet class):
//
// $ ./bin/generate-command-test.php --class=StringSet
//
// Here is a list of optional arguments:
//
// --realm: each command has its own realm (commands that operate on strings,
// lists, sets and such) but while this realm is usually inferred from the name
// of the specified class, sometimes it can be useful to override it with a
// custom one.
//
// --output: write the generated test case to the specified path instead of
// the default one.
//
// --overwrite: pre-existing test files are not overwritten unless this option
// is explicitly specified.
// -------------------------------------------------------------------------- //
use Predis\Commands\ICommand;
use Predis\Commands\IPrefixable;
class CommandTestCaseGenerator
{
private $options;
public function __construct(Array $options)
{
if (!isset($options['class'])) {
throw new RuntimeException("Missing 'class' option.");
}
$this->options = $options;
}
public static function fromCommandLine()
{
$parameters = array(
'c:' => 'class:',
'r::' => 'realm::',
'o::' => 'output::',
'x::' => 'overwrite::'
);
$getops = getopt(implode(array_keys($parameters)), $parameters);
$options = array(
'overwrite' => false,
'tests' => __DIR__.'/../tests',
);
foreach ($getops as $option => $value) {
switch ($option) {
case 'c':
case 'class':
$options['class'] = $value;
break;
case 'r':
case 'realm':
$options['realm'] = $value;
break;
case 'o':
case 'output':
$options['output'] = $value;
break;
case 'x':
case 'overwrite':
$options['overwrite'] = true;
break;
}
}
if (!isset($options['class'])) {
throw new RuntimeException("Missing 'class' option.");
}
$options['fqn'] = "Predis\\Commands\\{$options['class']}";
$options['path'] = "Predis/Commands/{$options['class']}.php";
$source = __DIR__.'/../lib/'.$options['path'];
if (!file_exists($source)) {
throw new RuntimeException("Cannot find class file for {$options['fqn']} in $source.");
}
if (!isset($options['output'])) {
$options['output'] = sprintf("%s/%s", $options['tests'], str_replace('.php', 'Test.php', $options['path']));
}
return new self($options);
}
protected function getTestRealm()
{
if (isset($this->options['realm'])) {
if (!$this->options['realm']) {
throw new RuntimeException('Invalid value for realm has been sepcified (empty).');
}
return $this->options['realm'];
}
$class = array_pop(explode('\\', $this->options['fqn']));
list($realm,) = preg_split('/([[:upper:]][[:lower:]]+)/', $class, 2, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
return strtolower($realm);
}
public function generate()
{
$reflection = new ReflectionClass($class = $this->options['fqn']);
if (!$reflection->isInstantiable()) {
throw new RuntimeException("Class $class must be instantiable, abstract classes or interfaces are not allowed.");
}
if (!$reflection->implementsInterface('Predis\Commands\ICommand')) {
throw new RuntimeException("Class $class must implement the Predis\Commands\ICommand interface.");
}
$instance = $reflection->newInstance();
$buffer = $this->getTestCaseBuffer($instance);
return $buffer;
}
public function save()
{
$options = $this->options;
if (file_exists($options['output']) && !$options['overwrite']) {
throw new RuntimeException("File {$options['output']} already exist. Specify the --overwrite option to overwrite the existing file.");
}
file_put_contents($options['output'], $this->generate());
}
protected function getTestCaseBuffer(ICommand $instance)
{
$id = $instance->getId();
$fqn = get_class($instance);
$class = array_pop(explode('\\', $fqn)) . "Test";
$realm = $this->getTestRealm();
$buffer =<<<PHP
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
use \PHPUnit_Framework_TestCase as StandardTestCase;
/**
* @group commands
* @group realm-$realm
*/
class $class extends CommandTestCase
{
/**
* {@inheritdoc}
*/
protected function getExpectedCommand()
{
return '$fqn';
}
/**
* {@inheritdoc}
*/
protected function getExpectedId()
{
return '$id';
}
/**
* @group disconnected
*/
public function testFilterArguments()
{
\$this->markTestIncomplete('This test has not been implemented yet.');
\$arguments = array(/* add arguments */);
\$expected = array(/* add arguments */);
\$command = \$this->getCommand();
\$command->setArguments(\$arguments);
\$this->assertSame(\$expected, \$command->getArguments());
}
/**
* @group disconnected
*/
public function testParseResponse()
{
\$this->markTestIncomplete('This test has not been implemented yet.');
\$raw = null;
\$expected = null;
\$command = \$this->getCommand();
\$this->assertSame(\$expected, \$command->parseResponse(\$raw));
}
PHP;
if ($instance instanceof IPrefixable) {
$buffer .=<<<PHP
/**
* @group disconnected
*/
public function testPrefixKeys()
{
\$this->markTestIncomplete('This test has not been implemented yet.');
\$arguments = array(/* add arguments */);
\$expected = array(/* add arguments */);
\$command = \$this->getCommandWithArgumentsArray(\$arguments);
\$command->prefixKeys('prefix:');
\$this->assertSame(\$expected, \$command->getArguments());
}
PHP;
}
return "$buffer}\n";
}
}
// ------------------------------------------------------------------------- //
require __DIR__.'/../autoload.php';
$generator = CommandTestCaseGenerator::fromCommandLine();
$generator->save();
-21
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@@ -1,21 +0,0 @@
{
"name": "predis/predis",
"type": "library",
"description": "Flexible and feature-complete PHP client library for Redis",
"keywords": ["nosql", "redis", "predis"],
"homepage": "http://github.com/nrk/predis",
"license": "MIT",
"authors": [
{
"name": "Daniele Alessandri",
"email": "suppakilla@gmail.com",
"homepage": "http://clorophilla.net"
}
],
"require": {
"php": ">=5.3.0"
},
"autoload": {
"psr-0": {"Predis": "lib/"}
}
}
@@ -1,22 +1,12 @@
<?php
require_once 'SharedConfigurations.php';
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
require 'SharedConfigurations.php';
// When you have a whole set of consecutive commands to send to
// When you have a whole set of consecutive commands to send to
// a redis server, you can use a pipeline to improve performances.
$client = new Predis\Client($single_server);
$redis = new Predis\Client($single_server);
$replies = $client->pipeline(function($pipe) {
$replies = $redis->pipeline(function($pipe) {
$pipe->ping();
$pipe->flushdb();
$pipe->incrby('counter', 10);
@@ -39,9 +29,10 @@ Array
[5] => 40
[6] => Array
(
[0] =>
[0] =>
[1] => 40
)
)
*/
?>
+27 -49
View File
@@ -1,82 +1,60 @@
<?php
require_once 'SharedConfigurations.php';
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
require 'SharedConfigurations.php';
// Developers can customize the distribution strategy used by the client
// to distribute keys among a cluster of servers simply by creating a class
// Developers can customize the distribution strategy used by the client
// to distribute keys among a cluster of servers simply by creating a class
// that implements the Predis\Distribution\IDistributionStrategy interface.
use Predis\Distribution\IDistributionStrategy;
use Predis\Network\PredisCluster;
class NaiveDistributionStrategy
implements Predis\Distribution\IDistributionStrategy {
class NaiveDistributionStrategy implements IDistributionStrategy
{
private $nodes;
private $nodesCount;
private $_nodes, $_nodesCount;
public function __construct()
{
$this->nodes = array();
$this->nodesCount = 0;
public function __constructor() {
$this->_nodes = array();
$this->_nodesCount = 0;
}
public function add($node, $weight = null)
{
$this->nodes[] = $node;
$this->nodesCount++;
public function add($node, $weight = null) {
$this->_nodes[] = $node;
$this->_nodesCount++;
}
public function remove($node)
{
$this->nodes = array_filter($this->nodes, function($n) use($node) {
public function remove($node) {
$this->_nodes = array_filter($this->_nodes, function($n) use($node) {
return $n !== $node;
});
$this->nodesCount = count($this->nodes);
$this->_nodesCount = count($this->_nodes);
}
public function get($key)
{
$count = $this->nodesCount;
public function get($key) {
$count = $this->_nodesCount;
if ($count === 0) {
throw new RuntimeException('No connections');
}
return $this->nodes[$count > 1 ? abs($key % $count) : 0];
return $this->_nodes[$count > 1 ? abs(crc32($key) % $count) : 0];
}
public function generateKey($value)
{
public function generateKey($value) {
return crc32($value);
}
}
$options = array(
'cluster' => function() {
$distributor = new NaiveDistributionStrategy();
return new PredisCluster($distributor);
},
'key_distribution' => new NaiveDistributionStrategy(),
);
$client = new Predis\Client($multiple_servers, $options);
$redis = new Predis\Client($multiple_servers, $options);
for ($i = 0; $i < 100; $i++) {
$client->set("key:$i", str_pad($i, 4, '0', 0));
$client->get("key:$i");
$redis->set("key:$i", str_pad($i, 4, '0', 0));
$redis->get("key:$i");
}
$server1 = $client->getClientFor('first')->info();
$server2 = $client->getClientFor('second')->info();
$server1 = $redis->getClientFor('first')->info();
$server2 = $redis->getClientFor('second')->info();
printf("Server '%s' has %d keys while server '%s' has %d keys.\n",
printf("Server '%s' has %d keys while server '%s' has %d keys.\n",
'first', $server1['db15']['keys'], 'second', $server2['db15']['keys']
);
?>
-78
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@@ -1,78 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
require 'SharedConfigurations.php';
/*
This is a basic example on how to use the Predis\DispatcherLoop class.
To see this example in action you can just use redis-cli and publish some
messages to the 'events' and 'control' channel, e.g.:
./redis-cli
PUBLISH events first
PUBLISH events second
PUBLISH events third
PUBLISH control terminate_dispatcher
*/
// Create a client and disable r/w timeout on the socket
$client = new Predis\Client($single_server + array('read_write_timeout' => 0));
// Create a Predis\DispatcherLoop instance and attach a bunch of callbacks.
$dispatcher = new Predis\PubSub\DispatcherLoop($client);
// Demonstrate how to use a callable class as a callback for Predis\DispatcherLoop.
class EventsListener implements Countable
{
private $events;
public function __construct()
{
$this->events = array();
}
public function count()
{
return count($this->events);
}
public function getEvents()
{
return $this->events;
}
public function __invoke($payload)
{
$this->events[] = $payload;
}
}
// Attach our callable class to the dispatcher.
$dispatcher->attachCallback('events', ($events = new EventsListener()));
// Attach a function to control the dispatcher loop termination with a message.
$dispatcher->attachCallback('control', function($payload) use ($dispatcher) {
if ($payload === 'terminate_dispatcher') {
$dispatcher->stop();
}
});
// Run the dispatcher loop until the callback attached to the 'control' channel
// receives 'terminate_dispatcher' as a message.
$dispatcher->run();
// Display our achievements!
echo "We received {$events->count()} messages!\n";
// Say goodbye :-)
$info = $client->info();
print_r("Goodbye from Redis v{$info['redis_version']}!\n");
-37
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@@ -1,37 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
require 'SharedConfigurations.php';
// Predis ships with a KeyPrefixProcessor class that is used to transparently
// prefix each key before sending commands to Redis, even for complex commands
// such as SORT, ZUNIONSTORE and ZINTERSTORE. Key prefixes are useful to create
// user-level namespaces for you keyspace, thus eliminating the need for separate
// logical databases.
$client = new Predis\Client($single_server, array('prefix' => 'nrk:'));
$client->mset(array('foo' => 'bar', 'lol' => 'wut'));
var_dump($client->mget('foo', 'lol'));
/*
array(2) {
[0]=> string(3) "bar"
[1]=> string(3) "wut"
}
*/
var_dump($client->keys('*'));
/*
array(2) {
[0]=> string(7) "nrk:foo"
[1]=> string(7) "nrk:lol"
}
*/
-52
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@@ -1,52 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
require 'SharedConfigurations.php';
// Predis supports master / slave replication scenarios where write operations are
// performed on the master server and read operations are executed against one of
// the slaves. The behaviour of commands or EVAL scripts can be customized at will.
// As soon as a write operation is performed, all the subsequent requests (reads
// or writes) will be served by the master server.
//
// This example must be executed with the second Redis server acting as the slave
// of the first one using the SLAVEOF command.
//
$parameters = array(
'tcp://127.0.0.1:6379?database=15&alias=master',
'tcp://127.0.0.1:6380?database=15&alias=slave',
);
$options = array('replication' => true);
$client = new Predis\Client($parameters, $options);
// Read operation.
$exists = $client->exists('foo') ? 'yes' : 'no';
$current = $client->getConnection()->getCurrent()->getParameters();
echo "Does 'foo' exist on {$current->alias}? $exists.\n";
// Write operation.
$client->set('foo', 'bar');
$current = $client->getConnection()->getCurrent()->getParameters();
echo "Now 'foo' has been set to 'bar' on {$current->alias}!\n";
// Read operation.
$bar = $client->get('foo');
$current = $client->getConnection()->getCurrent()->getParameters();
echo "We just fetched 'foo' from {$current->alias} and its value is '$bar'.\n";
/* OUTPUT:
Does 'foo' exist on slave? yes.
Now 'foo' has been set to 'bar' on master!
We just fetched 'foo' from master and its value is 'bar'.
*/
@@ -1,81 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
require 'SharedConfigurations.php';
// Predis allows to set Lua scripts as read-only operations in the context of
// replication. This works for both EVAL and EVALSHA and also for the client-side
// abstraction built upon them (Predis\Commands\ScriptedCommand). This example
// shows a slightly more complex configuration that injects a new scripted command
// in the server profile used by the new client instance and marks it marks it as
// a read-only operation for replication so that it will be executed on slaves.
use Predis\Profiles\ServerProfile;
use Predis\Commands\ScriptedCommand;
use Predis\Network\MasterSlaveReplication;
// ------------------------------------------------------------------------- //
// Define a new scripted command that returns all the fields
// of a variable number of hashes with a single roundtrip.
class HashMultipleGetAll extends ScriptedCommand {
const BODY = <<<EOS
local hashes = {}
for _, key in pairs(KEYS) do
table.insert(hashes, key)
table.insert(hashes, redis.call('hgetall', key))
end
return hashes
EOS;
public function getScript() {
return self::BODY;
}
}
// ------------------------------------------------------------------------- //
$parameters = array(
'tcp://127.0.0.1:6379/?alias=master',
'tcp://127.0.0.1:6380/?alias=slave',
);
$options = array(
'profile' => function($options) {
$profile = ServerProfile::get('2.6');
$profile->defineCommand('hmgetall', 'HashMultipleGetAll');
return $profile;
},
'replication' => function($options) {
$replication = new MasterSlaveReplication();
$replication->setScriptReadOnly(HashMultipleGetAll::BODY);
return $replication;
},
);
// ------------------------------------------------------------------------- //
$client = new Predis\Client($parameters, $options);
// Execute the following commands on the master server using redis-cli:
// $ ./redis-cli HMSET metavars foo bar hoge piyo
// $ ./redis-cli HMSET servers master host1 slave host2
$hashes = $client->hmgetall('metavars', 'servers');
$replication = $client->getConnection();
$stillOnSlave = $replication->getCurrent() === $replication->getConnectionById('slave');
echo "Is still on slave? ", $stillOnSlave ? 'YES' : 'NO', "!\n";
var_export($hashes);
-44
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@@ -1,44 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
require 'SharedConfigurations.php';
// This is a basic example on how to use the Predis\MonitorContext class.
// You can use redis-cli to send commands to the same Redis instance your client is
// connected to, and then type "ECHO QUIT_MONITOR" in redis-cli when you want to
// exit the monitor loop and terminate this script in a graceful way.
// Create a client and disable r/w timeout on the socket.
$client = new Predis\Client($single_server + array('read_write_timeout' => 0));
// Use only one instance of DateTime, we will update the timestamp later.
$timestamp = new DateTime();
foreach (($monitor = $client->monitor()) as $event) {
$timestamp->setTimestamp((int) $event->timestamp);
// If we notice a ECHO command with the message QUIT_MONITOR, we close the
// monitor context and then break the loop.
if ($event->command === 'ECHO' && $event->arguments === '"QUIT_MONITOR"') {
echo "Exiting the monitor loop...\n";
$monitor->closeContext();
break;
}
echo "* Received {$event->command} on DB {$event->database} at {$timestamp->format(DateTime::W3C)}\n";
if (isset($event->arguments)) {
echo " Arguments: {$event->arguments}\n";
}
}
// Say goodbye :-)
$info = $client->info();
print_r("Goodbye from Redis v{$info['redis_version']}!\n");
+24 -34
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@@ -1,51 +1,41 @@
<?php
require_once 'SharedConfigurations.php';
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
This is an implementation of an atomic client-side ZPOP using the support for
check-and-set (CAS) operations with MULTI/EXEC transactions, as described in
"WATCH explained" from http://redis.io/topics/transactions
require 'SharedConfigurations.php';
First, populate your database with a tiny sample data set:
// This is an implementation of an atomic client-side ZPOP using the support for
// check-and-set (CAS) operations with MULTI/EXEC transactions, as described in
// "WATCH explained" from http://redis.io/topics/transactions
//
// First, populate your database with a tiny sample data set:
//
// ./redis-cli
// SELECT 15
// ZADD zset 1 a
// ZADD zset 2 b
// ZADD zset 3 c
./redis-cli
SELECT 15
ZADD zset 1 a
ZADD zset 2 b
ZADD zset 3 c
*/
function zpop($client, $key)
{
function zpop($client, $zsetKey) {
$element = null;
$options = array(
'cas' => true, // Initialize with support for CAS operations
'watch' => $key, // Key that needs to be WATCHed to detect changes
'retry' => 3, // Number of retries on aborted transactions, after
// which the client bails out with an exception.
'cas' => true, // Initialize with support for CAS operations
'watch' => $zsetKey, // Key that needs to be WATCHed to detect changes
'retry' => 3, // Number of retries on aborted transactions, after
// which the client bails out with an exception.
);
$client->multiExec($options, function($tx) use ($key, &$element) {
@list($element) = $tx->zrange($key, 0, 0);
$txReply = $client->multiExec($options, function($tx)
use ($zsetKey, &$element) {
@list($element) = $tx->zrange($zsetKey, 0, 0);
if (isset($element)) {
$tx->multi(); // With CAS, MULTI *must* be explicitly invoked.
$tx->zrem($key, $element);
$tx->multi(); // With CAS, MULTI *must* be explicitly invoked.
$tx->zrem($zsetKey, $element);
}
});
return $element;
}
$client = new Predis\Client($single_server);
$zpopped = zpop($client, 'zset');
$redis = new Predis\Client($single_server, 'dev');
$zpopped = zpop($redis, 'zset');
echo isset($zpopped) ? "ZPOPed $zpopped" : "Nothing to ZPOP!", "\n";
?>
+9 -18
View File
@@ -1,30 +1,20 @@
<?php
require_once 'SharedConfigurations.php';
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
require 'SharedConfigurations.php';
// redis can set keys and their relative values in one go
// using MSET, then the same values can be retrieved with
// redis can set keys and their relative values in one go
// using MSET, then the same values can be retrieved with
// a single command using MGET.
$mkv = array(
'usr:0001' => 'First user',
'usr:0002' => 'Second user',
'usr:0003' => 'Third user'
'usr:0002' => 'Second user',
'usr:0003' => 'Third user'
);
$client = new Predis\Client($single_server);
$redis = new Predis\Client($single_server);
$client->mset($mkv);
$retval = $client->mget(array_keys($mkv));
$redis->mset($mkv);
$retval = $redis->mget(array_keys($mkv));
print_r($retval);
@@ -36,3 +26,4 @@ Array
[2] => Third user
)
*/
?>
+11 -20
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@@ -1,29 +1,20 @@
<?php
require_once 'SharedConfigurations.php';
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
require 'SharedConfigurations.php';
// Redis 2.0 features new commands that allow clients to subscribe for
// Redis 2.0 features new commands that allow clients to subscribe for
// events published on certain channels (PUBSUB).
// Create a client and disable r/w timeout on the socket
$client = new Predis\Client($single_server + array('read_write_timeout' => 0));
$redis = new Predis\Client($single_server + array('read_write_timeout' => 0));
// Initialize a new pubsub context
$pubsub = $client->pubSub();
$pubsub = $redis->pubSubContext();
// Subscribe to your channels
$pubsub->subscribe('control_channel', 'notifications');
$pubsub->subscribe('control_channel');
$pubsub->subscribe('notifications');
// Start processing the pubsup messages. Open a terminal and use redis-cli
// Start processing the pubsup messages. Open a terminal and use redis-cli
// to push messages to the channels. Examples:
// ./redis-cli PUBLISH notifications "this is a test"
// ./redis-cli PUBLISH control_channel quit_loop
@@ -32,7 +23,6 @@ foreach ($pubsub as $message) {
case 'subscribe':
echo "Subscribed to {$message->channel}\n";
break;
case 'message':
if ($message->channel == 'control_channel') {
if ($message->payload == 'quit_loop') {
@@ -51,11 +41,12 @@ foreach ($pubsub as $message) {
}
}
// Always unset the pubsub context instance when you are done! The
// class destructor will take care of cleanups and prevent protocol
// Always unset the pubsub context instance when you are done! The
// class destructor will take care of cleanups and prevent protocol
// desynchronizations between the client and the server.
unset($pubsub);
// Say goodbye :-)
$info = $client->info();
$info = $redis->info();
print_r("Goodbye from Redis v{$info['redis_version']}!\n");
?>
-66
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@@ -1,66 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
require 'SharedConfigurations.php';
// This example will not work with versions of Redis < 2.6.
//
// Additionally to the EVAL command defined in the current development profile, the new
// Predis\Commands\ScriptedCommand base class can be used to build an higher abstraction
// for our "scripted" commands so that they will appear just like any other command on
// the client-side. This is a quick example used to implement INCREX.
use Predis\Commands\ScriptedCommand;
class IncrementExistingKeysBy extends ScriptedCommand
{
public function getKeysCount()
{
// Tell Predis to use all the arguments but the last one as arguments
// for KEYS. The last one will be used to populate ARGV.
return -1;
}
public function getScript()
{
return
<<<LUA
local cmd, insert = redis.call, table.insert
local increment, results = ARGV[1], { }
for idx, key in ipairs(KEYS) do
if cmd('exists', key) == 1 then
insert(results, idx, cmd('incrby', key, increment))
else
insert(results, idx, false)
end
end
return results
LUA;
}
}
$client = new Predis\Client($single_server, '2.6');
$client->getProfile()->defineCommand('increxby', 'IncrementExistingKeysBy');
$client->mset('foo', 10, 'foobar', 100);
var_export($client->increxby('foo', 'foofoo', 'foobar', 50));
/*
array (
0 => 60,
1 => NULL,
2 => 150,
)
*/
+4 -13
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@@ -1,19 +1,9 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
require __DIR__.'/../autoload.php';
require_once '../lib/Predis.php';
$single_server = array(
'host' => '127.0.0.1',
'port' => 6379,
'host' => '127.0.0.1',
'port' => 6379,
'database' => 15
);
@@ -31,3 +21,4 @@ $multiple_servers = array(
'alias' => 'second',
),
);
?>
-89
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@@ -1,89 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
require 'SharedConfigurations.php';
use Predis\ConnectionParameters;
use Predis\Commands\ICommand;
use Predis\Network\StreamConnection;
class SimpleDebuggableConnection extends StreamConnection
{
private $tstart = 0;
private $debugBuffer = array();
public function connect()
{
$this->tstart = microtime(true);
parent::connect();
}
private function storeDebug(ICommand $command, $direction)
{
$firtsArg = $command->getArgument(0);
$timestamp = round(microtime(true) - $this->tstart, 4);
$debug = $command->getId();
$debug .= isset($firtsArg) ? " $firtsArg " : ' ';
$debug .= "$direction $this";
$debug .= " [{$timestamp}s]";
$this->debugBuffer[] = $debug;
}
public function writeCommand(ICommand $command)
{
parent::writeCommand($command);
$this->storeDebug($command, '->');
}
public function readResponse(ICommand $command)
{
$reply = parent::readResponse($command);
$this->storeDebug($command, '<-');
return $reply;
}
public function getDebugBuffer()
{
return $this->debugBuffer;
}
}
$options = array(
'connections' => array(
'tcp' => 'SimpleDebuggableConnection',
),
);
$client = new Predis\Client($single_server, $options);
$client->set('foo', 'bar');
$client->get('foo');
$client->info();
print_r($client->getConnection()->getDebugBuffer());
/* OUTPUT:
Array
(
[0] => SELECT 15 -> 127.0.0.1:6379 [0.0008s]
[1] => SELECT 15 <- 127.0.0.1:6379 [0.0012s]
[2] => SET foo -> 127.0.0.1:6379 [0.0014s]
[3] => SET foo <- 127.0.0.1:6379 [0.0014s]
[4] => GET foo -> 127.0.0.1:6379 [0.0016s]
[5] => GET foo <- 127.0.0.1:6379 [0.0018s]
[6] => INFO -> 127.0.0.1:6379 [0.002s]
[7] => INFO <- 127.0.0.1:6379 [0.0025s]
)
*/
+7 -16
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@@ -1,25 +1,16 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
require 'SharedConfigurations.php';
require_once 'SharedConfigurations.php';
// simple set and get scenario
$client = new Predis\Client($single_server);
$redis = new Predis\Client($single_server);
$client->set('library', 'predis');
$retval = $client->get('library');
$redis->set('library', 'predis');
$retval = $redis->get('library');
var_dump($retval);
print_r($retval);
/* OUTPUT
string(6) "predis"
predis
*/
?>
+3482
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-61
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@@ -1,61 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis;
/**
* Implements a lightweight PSR-0 compliant autoloader.
*
* @author Eric Naeseth <eric@thumbtack.com>
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class Autoloader
{
private $directory;
private $prefix;
private $prefixLength;
/**
* @param string $baseDirectory Base directory where the source files are located.
*/
public function __construct($baseDirectory = __DIR__)
{
$this->directory = $baseDirectory;
$this->prefix = __NAMESPACE__ . '\\';
$this->prefixLength = strlen($this->prefix);
}
/**
* Registers the autoloader class with the PHP SPL autoloader.
*
* @param boolean $prepend Prepend the autoloader on the stack instead of appending it.
*/
public static function register($prepend = false)
{
spl_autoload_register(array(new self, 'autoload'), true, $prepend);
}
/**
* Loads a class from a file using its fully qualified name.
*
* @param string $className Fully qualified name of a class.
*/
public function autoload($className)
{
if (0 === strpos($className, $this->prefix)) {
$parts = explode('\\', substr($className, $this->prefixLength));
$filepath = $this->directory.DIRECTORY_SEPARATOR.implode(DIRECTORY_SEPARATOR, $parts).'.php';
if (is_file($filepath)) {
require($filepath);
}
}
}
}
-399
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@@ -1,399 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis;
use Predis\Commands\ICommand;
use Predis\Options\IClientOptions;
use Predis\Network\IConnection;
use Predis\Network\IConnectionSingle;
use Predis\Profiles\IServerProfile;
use Predis\Options\ClientOptions;
use Predis\Profiles\ServerProfile;
use Predis\PubSub\PubSubContext;
use Predis\Pipeline\PipelineContext;
use Predis\Transaction\MultiExecContext;
/**
* Main class that exposes the most high-level interface to interact with Redis.
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class Client
{
const VERSION = '0.7.3';
private $options;
private $profile;
private $connection;
private $connections;
/**
* Initializes a new client with optional connection parameters and client options.
*
* @param mixed $parameters Connection parameters for one or multiple servers.
* @param mixed $options Options that specify certain behaviours for the client.
*/
public function __construct($parameters = null, $options = null)
{
$options = $this->filterOptions($options);
$this->options = $options;
$this->profile = $options->profile;
$this->connections = $options->connections;
$this->connection = $this->initializeConnection($parameters);
}
/**
* Creates an instance of Predis\Options\ClientOptions from various types of
* arguments (string, array, Predis\Profiles\ServerProfile) or returns the
* passed object if it is an instance of Predis\Options\ClientOptions.
*
* @param mixed $options Client options.
* @return ClientOptions
*/
protected function filterOptions($options)
{
if ($options === null) {
return new ClientOptions();
}
if (is_array($options)) {
return new ClientOptions($options);
}
if ($options instanceof IClientOptions) {
return $options;
}
if ($options instanceof IServerProfile || is_string($options)) {
return new ClientOptions(array('profile' => $options));
}
throw new \InvalidArgumentException("Invalid type for client options");
}
/**
* Initializes one or multiple connection (cluster) objects from various
* types of arguments (string, array) or returns the passed object if it
* implements the Predis\Network\IConnection interface.
*
* @param mixed $parameters Connection parameters or instance.
* @return IConnection
*/
protected function initializeConnection($parameters)
{
if ($parameters instanceof IConnection) {
return $parameters;
}
if (is_array($parameters) && isset($parameters[0])) {
$replication = isset($this->options->replication) && $this->options->replication;
$connection = $this->options->{$replication ? 'replication' : 'cluster'};
$initializer = $replication ? 'createReplication' : 'createCluster';
return $this->connections->$initializer($connection, $parameters, $this->profile);
}
return $this->connections->create($parameters, $this->profile);
}
/**
* Returns the server profile used by the client.
*
* @return IServerProfile
*/
public function getProfile()
{
return $this->profile;
}
/**
* Returns the client options specified upon initialization.
*
* @return ClientOptions
*/
public function getOptions()
{
return $this->options;
}
/**
* Returns the connection factory object used by the client.
*
* @return IConnectionFactory
*/
public function getConnectionFactory()
{
return $this->connections;
}
/**
* Returns a new instance of a client for the specified connection when the
* client is connected to a cluster. The new instance will use the same
* options of the original client.
*
* @return Client
*/
public function getClientFor($connectionAlias)
{
if (($connection = $this->getConnection($connectionAlias)) === null) {
throw new \InvalidArgumentException("Invalid connection alias: '$connectionAlias'");
}
return new Client($connection, $this->options);
}
/**
* Opens the connection to the server.
*/
public function connect()
{
$this->connection->connect();
}
/**
* Disconnects from the server.
*/
public function disconnect()
{
$this->connection->disconnect();
}
/**
* Disconnects from the server.
*
* This method is an alias of disconnect().
*/
public function quit()
{
$this->disconnect();
}
/**
* Checks if the underlying connection is connected to Redis.
*
* @return Boolean True means that the connection is open.
* False means that the connection is closed.
*/
public function isConnected()
{
return $this->connection->isConnected();
}
/**
* Returns the underlying connection instance or, when connected to a cluster,
* one of the connection instances identified by its alias.
*
* @param string $id The alias of a connection when connected to a cluster.
* @return IConnection
*/
public function getConnection($id = null)
{
if (isset($id)) {
if (!Helpers::isAggregated($this->connection)) {
$message = 'Retrieving connections by alias is supported only with aggregated connections (cluster or replication)';
throw new NotSupportedException($message);
}
return $this->connection->getConnectionById($id);
}
return $this->connection;
}
/**
* Dinamically invokes a Redis command with the specified arguments.
*
* @param string $method The name of a Redis command.
* @param array $arguments The arguments for the command.
* @return mixed
*/
public function __call($method, $arguments)
{
$command = $this->profile->createCommand($method, $arguments);
return $this->connection->executeCommand($command);
}
/**
* Creates a new instance of the specified Redis command.
*
* @param string $method The name of a Redis command.
* @param array $arguments The arguments for the command.
* @return ICommand
*/
public function createCommand($method, $arguments = array())
{
return $this->profile->createCommand($method, $arguments);
}
/**
* Executes the specified Redis command.
*
* @param ICommand $command A Redis command.
* @return mixed
*/
public function executeCommand(ICommand $command)
{
return $this->connection->executeCommand($command);
}
/**
* Executes the specified Redis command on all the nodes of a cluster.
*
* @param ICommand $command A Redis command.
* @return array
*/
public function executeCommandOnShards(ICommand $command)
{
if (Helpers::isCluster($this->connection)) {
$replies = array();
foreach ($this->connection as $connection) {
$replies[] = $connection->executeCommand($command);
}
return $replies;
}
return array($this->connection->executeCommand($command));
}
/**
* Calls the specified initializer method on $this with 0, 1 or 2 arguments.
*
* TODO: Invert $argv and $initializer.
*
* @param array $argv Arguments for the initializer.
* @param string $initializer The initializer method.
* @return mixed
*/
private function sharedInitializer($argv, $initializer)
{
switch (count($argv)) {
case 0:
return $this->$initializer();
case 1:
list($arg0) = $argv;
return is_array($arg0) ? $this->$initializer($arg0) : $this->$initializer(null, $arg0);
case 2:
list($arg0, $arg1) = $argv;
return $this->$initializer($arg0, $arg1);
default:
return $this->$initializer($this, $argv);
}
}
/**
* Creates a new pipeline context and returns it, or returns the results of
* a pipeline executed inside the optionally provided callable object.
*
* @param mixed $arg,... Options for the context, a callable object, or both.
* @return PipelineContext|array
*/
public function pipeline(/* arguments */)
{
return $this->sharedInitializer(func_get_args(), 'initPipeline');
}
/**
* Pipeline context initializer.
*
* @param array $options Options for the context.
* @param mixed $callable Optional callable object used to execute the context.
* @return PipelineContext|array
*/
protected function initPipeline(Array $options = null, $callable = null)
{
$pipeline = new PipelineContext($this, $options);
return $this->pipelineExecute($pipeline, $callable);
}
/**
* Executes a pipeline context when a callable object is passed.
*
* @param array $options Options of the context initialization.
* @param mixed $callable Optional callable object used to execute the context.
* @return PipelineContext|array
*/
private function pipelineExecute(PipelineContext $pipeline, $callable)
{
return isset($callable) ? $pipeline->execute($callable) : $pipeline;
}
/**
* Creates a new transaction context and returns it, or returns the results of
* a transaction executed inside the optionally provided callable object.
*
* @param mixed $arg,... Options for the context, a callable object, or both.
* @return MultiExecContext|array
*/
public function multiExec(/* arguments */)
{
return $this->sharedInitializer(func_get_args(), 'initMultiExec');
}
/**
* Transaction context initializer.
*
* @param array $options Options for the context.
* @param mixed $callable Optional callable object used to execute the context.
* @return MultiExecContext|array
*/
protected function initMultiExec(Array $options = null, $callable = null)
{
$transaction = new MultiExecContext($this, $options ?: array());
return isset($callable) ? $transaction->execute($callable) : $transaction;
}
/**
* Creates a new Publish / Subscribe context and returns it, or executes it
* inside the optionally provided callable object.
*
* @param mixed $arg,... Options for the context, a callable object, or both.
* @return MultiExecContext|array
*/
public function pubSub(/* arguments */)
{
return $this->sharedInitializer(func_get_args(), 'initPubSub');
}
/**
* Publish / Subscribe context initializer.
*
* @param array $options Options for the context.
* @param mixed $callable Optional callable object used to execute the context.
* @return PubSubContext
*/
protected function initPubSub(Array $options = null, $callable = null)
{
$pubsub = new PubSubContext($this, $options);
if (!isset($callable)) {
return $pubsub;
}
foreach ($pubsub as $message) {
if (call_user_func($callable, $pubsub, $message) === false) {
$pubsub->closeContext();
}
}
}
/**
* Returns a new monitor context.
*
* @return MonitorContext
*/
public function monitor()
{
return new MonitorContext($this);
}
}
-21
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@@ -1,21 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis;
/**
* Exception class that identifies client-side errors.
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ClientException extends PredisException
{
}
-170
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@@ -1,170 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
use Predis\Helpers;
use Predis\Distribution\INodeKeyGenerator;
/**
* Base class for Redis commands.
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
abstract class Command implements ICommand
{
private $hash;
private $arguments = array();
/**
* Returns a filtered array of the arguments.
*
* @param array $arguments List of arguments.
* @return array
*/
protected function filterArguments(Array $arguments)
{
return $arguments;
}
/**
* {@inheritdoc}
*/
public function setArguments(Array $arguments)
{
$this->arguments = $this->filterArguments($arguments);
unset($this->hash);
}
/**
* Sets the arguments array without filtering.
*
* @param array $arguments List of arguments.
*/
public function setRawArguments(Array $arguments)
{
$this->arguments = $arguments;
unset($this->hash);
}
/**
* {@inheritdoc}
*/
public function getArguments()
{
return $this->arguments;
}
/**
* Gets the argument from the arguments list at the specified index.
*
* @param array $arguments Position of the argument.
*/
public function getArgument($index = 0)
{
if (isset($this->arguments[$index]) === true) {
return $this->arguments[$index];
}
}
/**
* Checks if the command can return an hash for client-side sharding.
*
* @return Boolean
*/
protected function canBeHashed()
{
return isset($this->arguments[0]);
}
/**
* Checks if the specified array of keys will generate the same hash.
*
* @param array $keys Array of keys.
* @return Boolean
*/
protected function checkSameHashForKeys(Array $keys)
{
if (($count = count($keys)) === 0) {
return false;
}
$currentKey = Helpers::extractKeyTag($keys[0]);
for ($i = 1; $i < $count; $i++) {
$nextKey = Helpers::extractKeyTag($keys[$i]);
if ($currentKey !== $nextKey) {
return false;
}
$currentKey = $nextKey;
}
return true;
}
/**
* {@inheritdoc}
*/
public function getHash(INodeKeyGenerator $distributor)
{
if (isset($this->hash)) {
return $this->hash;
}
if ($this->canBeHashed()) {
$key = Helpers::extractKeyTag($this->arguments[0]);
$this->hash = $distributor->generateKey($key);
return $this->hash;
}
return null;
}
/**
* {@inheritdoc}
*/
public function parseResponse($data)
{
return $data;
}
/**
* Helper function used to reduce a list of arguments to a string.
*
* @param string $accumulator Temporary string.
* @param string $argument Current argument.
* @return string
*/
protected function toStringArgumentReducer($accumulator, $argument)
{
if (strlen($argument) > 32) {
$argument = substr($argument, 0, 32) . '[...]';
}
$accumulator .= " $argument";
return $accumulator;
}
/**
* Returns a partial string representation of the command with its arguments.
*
* @return string
*/
public function __toString()
{
return array_reduce(
$this->getArguments(),
array($this, 'toStringArgumentReducer'),
$this->getId()
);
}
}
-35
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@@ -1,35 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/auth
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ConnectionAuth extends Command
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'AUTH';
}
/**
* {@inheritdoc}
*/
protected function canBeHashed()
{
return false;
}
}
-35
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@@ -1,35 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/echo
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ConnectionEcho extends Command
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'ECHO';
}
/**
* {@inheritdoc}
*/
protected function canBeHashed()
{
return false;
}
}
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@@ -1,43 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/ping
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ConnectionPing extends Command
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'PING';
}
/**
* {@inheritdoc}
*/
protected function canBeHashed()
{
return false;
}
/**
* {@inheritdoc}
*/
public function parseResponse($data)
{
return $data === 'PONG' ? true : false;
}
}
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@@ -1,35 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/quit
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ConnectionQuit extends Command
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'QUIT';
}
/**
* {@inheritdoc}
*/
protected function canBeHashed()
{
return false;
}
}
-35
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@@ -1,35 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/select
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ConnectionSelect extends Command
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'SELECT';
}
/**
* {@inheritdoc}
*/
protected function canBeHashed()
{
return false;
}
}
-37
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@@ -1,37 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
use Predis\Helpers;
/**
* @link http://redis.io/commands/hdel
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class HashDelete extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'HDEL';
}
/**
* {@inheritdoc}
*/
protected function filterArguments(Array $arguments)
{
return Helpers::filterVariadicValues($arguments);
}
}
-35
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@@ -1,35 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/hexists
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class HashExists extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'HEXISTS';
}
/**
* {@inheritdoc}
*/
public function parseResponse($data)
{
return (bool) $data;
}
}
-27
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/hget
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class HashGet extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'HGET';
}
}
-46
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@@ -1,46 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
use Predis\Iterators\MultiBulkResponseTuple;
/**
* @link http://redis.io/commands/hgetall
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class HashGetAll extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'HGETALL';
}
/**
* {@inheritdoc}
*/
public function parseResponse($data)
{
if ($data instanceof \Iterator) {
return new MultiBulkResponseTuple($data);
}
$result = array();
for ($i = 0; $i < count($data); $i++) {
$result[$data[$i]] = $data[++$i];
}
return $result;
}
}
-37
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@@ -1,37 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
use Predis\Helpers;
/**
* @link http://redis.io/commands/hmget
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class HashGetMultiple extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'HMGET';
}
/**
* {@inheritdoc}
*/
protected function filterArguments(Array $arguments)
{
return Helpers::filterVariadicValues($arguments);
}
}
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/hincrby
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class HashIncrementBy extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'HINCRBY';
}
}
@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/hincrbyfloat
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class HashIncrementByFloat extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'HINCRBYFLOAT';
}
}
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/hkeys
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class HashKeys extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'HKEYS';
}
}
-27
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/hlen
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class HashLength extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'HLEN';
}
}
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@@ -1,35 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/hset
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class HashSet extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'HSET';
}
/**
* {@inheritdoc}
*/
public function parseResponse($data)
{
return (bool) $data;
}
}
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@@ -1,47 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/hmset
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class HashSetMultiple extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'HMSET';
}
/**
* {@inheritdoc}
*/
protected function filterArguments(Array $arguments)
{
if (count($arguments) === 2 && is_array($arguments[1])) {
$flattenedKVs = array($arguments[0]);
$args = $arguments[1];
foreach ($args as $k => $v) {
$flattenedKVs[] = $k;
$flattenedKVs[] = $v;
}
return $flattenedKVs;
}
return $arguments;
}
}
-35
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@@ -1,35 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/hsetnx
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class HashSetPreserve extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'HSETNX';
}
/**
* {@inheritdoc}
*/
public function parseResponse($data)
{
return (bool) $data;
}
}
-27
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/hvals
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class HashValues extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'HVALS';
}
}
-59
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@@ -1,59 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
use Predis\Distribution\INodeKeyGenerator;
/**
* Defines an abstraction representing a Redis command.
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
interface ICommand
{
/**
* Gets the ID of a Redis command.
*
* @return string
*/
public function getId();
/**
* Returns an hash of the command using the provided algorithm against the
* key (used to calculate the distribution of keys with client-side sharding).
*
* @param INodeKeyGenerator $distributor Distribution algorithm.
* @return int
*/
public function getHash(INodeKeyGenerator $distributor);
/**
* Sets the arguments of the command.
*
* @param array $arguments List of arguments.
*/
public function setArguments(Array $arguments);
/**
* Gets the arguments of the command.
*
* @return array
*/
public function getArguments();
/**
* Parses a reply buffer and returns a PHP object.
*
* @param string $data Binary string containing the whole reply.
* @return mixed
*/
public function parseResponse($data);
}
-29
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@@ -1,29 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
use Predis\Distribution\INodeKeyGenerator;
/**
* Defines a command whose keys can be prefixed.
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
interface IPrefixable
{
/**
* Prefixes all the keys found in the arguments of the command.
*
* @param string $prefix String used to prefix the keys.
*/
public function prefixKeys($prefix);
}
-58
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@@ -1,58 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
use Predis\Helpers;
/**
* @link http://redis.io/commands/del
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class KeyDelete extends Command implements IPrefixable
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'DEL';
}
/**
* {@inheritdoc}
*/
protected function filterArguments(Array $arguments)
{
return Helpers::filterArrayArguments($arguments);
}
/**
* {@inheritdoc}
*/
public function prefixKeys($prefix)
{
PrefixHelpers::all($this, $prefix);
}
/**
* {@inheritdoc}
*/
protected function canBeHashed()
{
$args = $this->getArguments();
if (count($args) === 1) {
return true;
}
return $this->checkSameHashForKeys($args);
}
}
-35
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@@ -1,35 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/exists
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class KeyExists extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'EXISTS';
}
/**
* {@inheritdoc}
*/
public function parseResponse($data)
{
return (bool) $data;
}
}
-35
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@@ -1,35 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/expire
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class KeyExpire extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'EXPIRE';
}
/**
* {@inheritdoc}
*/
public function parseResponse($data)
{
return (bool) $data;
}
}
-35
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@@ -1,35 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/expireat
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class KeyExpireAt extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'EXPIREAT';
}
/**
* {@inheritdoc}
*/
public function parseResponse($data)
{
return (bool) $data;
}
}
-35
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@@ -1,35 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/keys
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class KeyKeys extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'KEYS';
}
/**
* {@inheritdoc}
*/
protected function canBeHashed()
{
return false;
}
}
-28
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@@ -1,28 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/keys
* @author Daniele Alessandri <suppakilla@gmail.com>
* @deprecated
*/
class KeyKeysV12x extends KeyKeys
{
/**
* {@inheritdoc}
*/
public function parseResponse($data)
{
return explode(' ', $data);
}
}
-43
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@@ -1,43 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/move
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class KeyMove extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'MOVE';
}
/**
* {@inheritdoc}
*/
protected function canBeHashed()
{
return false;
}
/**
* {@inheritdoc}
*/
public function parseResponse($data)
{
return (bool) $data;
}
}
-35
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@@ -1,35 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/persist
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class KeyPersist extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'PERSIST';
}
/**
* {@inheritdoc}
*/
public function parseResponse($data)
{
return (bool) $data;
}
}
-27
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/pexpire
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class KeyPreciseExpire extends KeyExpire
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'PEXPIRE';
}
}
@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/pexpireat
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class KeyPreciseExpireAt extends KeyExpireAt
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'PEXPIREAT';
}
}
@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/pttl
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class KeyPreciseTimeToLive extends KeyTimeToLive
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'PTTL';
}
}
-43
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@@ -1,43 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/randomkey
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class KeyRandom extends Command
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'RANDOMKEY';
}
/**
* {@inheritdoc}
*/
protected function canBeHashed()
{
return false;
}
/**
* {@inheritdoc}
*/
public function parseResponse($data)
{
return $data !== '' ? $data : null;
}
}
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@@ -1,43 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/rename
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class KeyRename extends Command implements IPrefixable
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'RENAME';
}
/**
* {@inheritdoc}
*/
public function prefixKeys($prefix)
{
PrefixHelpers::all($this, $prefix);
}
/**
* {@inheritdoc}
*/
protected function canBeHashed()
{
return false;
}
}
-35
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@@ -1,35 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/renamenx
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class KeyRenamePreserve extends KeyRename
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'RENAMENX';
}
/**
* {@inheritdoc}
*/
public function parseResponse($data)
{
return (bool) $data;
}
}
-115
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@@ -1,115 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/sort
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class KeySort extends Command implements IPrefixable
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'SORT';
}
/**
* {@inheritdoc}
*/
protected function filterArguments(Array $arguments)
{
if (count($arguments) === 1) {
return $arguments;
}
$query = array($arguments[0]);
$sortParams = array_change_key_case($arguments[1], CASE_UPPER);
if (isset($sortParams['BY'])) {
$query[] = 'BY';
$query[] = $sortParams['BY'];
}
if (isset($sortParams['GET'])) {
$getargs = $sortParams['GET'];
if (is_array($getargs)) {
foreach ($getargs as $getarg) {
$query[] = 'GET';
$query[] = $getarg;
}
}
else {
$query[] = 'GET';
$query[] = $getargs;
}
}
if (isset($sortParams['LIMIT']) && is_array($sortParams['LIMIT'])
&& count($sortParams['LIMIT']) == 2) {
$query[] = 'LIMIT';
$query[] = $sortParams['LIMIT'][0];
$query[] = $sortParams['LIMIT'][1];
}
if (isset($sortParams['SORT'])) {
$query[] = strtoupper($sortParams['SORT']);
}
if (isset($sortParams['ALPHA']) && $sortParams['ALPHA'] == true) {
$query[] = 'ALPHA';
}
if (isset($sortParams['STORE'])) {
$query[] = 'STORE';
$query[] = $sortParams['STORE'];
}
return $query;
}
/**
* {@inheritdoc}
*/
public function prefixKeys($prefix)
{
$arguments = $this->getArguments();
$arguments[0] = "$prefix{$arguments[0]}";
if (($count = count($arguments)) > 1) {
for ($i = 1; $i < $count; $i++) {
switch ($arguments[$i]) {
case 'BY':
case 'STORE':
$arguments[$i] = "$prefix{$arguments[++$i]}";
break;
case 'GET':
$value = $arguments[++$i];
if ($value !== '#') {
$arguments[$i] = "$prefix$value";
}
break;
case 'LIMIT';
$i += 2;
break;
}
}
}
$this->setRawArguments($arguments);
}
}
-27
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/ttl
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class KeyTimeToLive extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'TTL';
}
}
-27
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/type
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class KeyType extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'TYPE';
}
}
-27
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/lindex
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ListIndex extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'LINDEX';
}
}
-27
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/linsert
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ListInsert extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'LINSERT';
}
}
-27
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/llen
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ListLength extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'LLEN';
}
}
-27
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/lpop
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ListPopFirst extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'LPOP';
}
}
@@ -1,57 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/blpop
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ListPopFirstBlocking extends Command implements IPrefixable
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'BLPOP';
}
/**
* {@inheritdoc}
*/
protected function filterArguments(Array $arguments)
{
if (count($arguments) === 2 && is_array($arguments[0])) {
list($arguments, $timeout) = $arguments;
array_push($arguments, $timeout);
}
return $arguments;
}
/**
* {@inheritdoc}
*/
public function prefixKeys($prefix)
{
PrefixHelpers::skipLast($this, $prefix);
}
/**
* {@inheritdoc}
*/
protected function canBeHashed()
{
return $this->checkSameHashForKeys(
array_slice(($args = $this->getArguments()), 0, count($args) - 1)
);
}
}
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/rpop
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ListPopLast extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'RPOP';
}
}
@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/brpop
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ListPopLastBlocking extends ListPopFirstBlocking
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'BRPOP';
}
}
@@ -1,43 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/rpoplpush
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ListPopLastPushHead extends Command implements IPrefixable
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'RPOPLPUSH';
}
/**
* {@inheritdoc}
*/
public function prefixKeys($prefix)
{
PrefixHelpers::all($this, $prefix);
}
/**
* {@inheritdoc}
*/
protected function canBeHashed()
{
return $this->checkSameHashForKeys($this->getArguments());
}
}
@@ -1,45 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/brpoplpush
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ListPopLastPushHeadBlocking extends Command implements IPrefixable
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'BRPOPLPUSH';
}
/**
* {@inheritdoc}
*/
public function prefixKeys($prefix)
{
PrefixHelpers::skipLast($this, $prefix);
}
/**
* {@inheritdoc}
*/
protected function canBeHashed()
{
return $this->checkSameHashForKeys(
array_slice($args = $this->getArguments(), 0, count($args) - 1)
);
}
}
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/lpush
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ListPushHead extends ListPushTail
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'LPUSH';
}
}
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/lpushx
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ListPushHeadX extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'LPUSHX';
}
}
-37
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@@ -1,37 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
use Predis\Helpers;
/**
* @link http://redis.io/commands/rpush
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ListPushTail extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'RPUSH';
}
/**
* {@inheritdoc}
*/
protected function filterArguments(Array $arguments)
{
return Helpers::filterVariadicValues($arguments);
}
}
-27
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/rpushx
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ListPushTailX extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'RPUSHX';
}
}
-27
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/lrange
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ListRange extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'LRANGE';
}
}
-27
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/lrem
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ListRemove extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'LREM';
}
}
-27
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/lset
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ListSet extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'LSET';
}
}
-27
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@@ -1,27 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/ltrim
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ListTrim extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'LTRIM';
}
}
-105
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@@ -1,105 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* Class that defines a few helpers method for prefixing keys.
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class PrefixHelpers
{
/**
* Applies the specified prefix only the first argument.
*
* @param ICommand $command Command instance.
* @param string $prefix Prefix string.
*/
public static function first(ICommand $command, $prefix)
{
if ($arguments = $command->getArguments()) {
$arguments[0] = "$prefix{$arguments[0]}";
$command->setRawArguments($arguments);
}
}
/**
* Applies the specified prefix to all the arguments.
*
* @param ICommand $command Command instance.
* @param string $prefix Prefix string.
*/
public static function all(ICommand $command, $prefix)
{
$arguments = $command->getArguments();
foreach ($arguments as &$key) {
$key = "$prefix$key";
}
$command->setRawArguments($arguments);
}
/**
* Applies the specified prefix only to even arguments in the list.
*
* @param ICommand $command Command instance.
* @param string $prefix Prefix string.
*/
public static function interleaved(ICommand $command, $prefix)
{
$arguments = $command->getArguments();
$length = count($arguments);
for ($i = 0; $i < $length; $i += 2) {
$arguments[$i] = "$prefix{$arguments[$i]}";
}
$command->setRawArguments($arguments);
}
/**
* Applies the specified prefix to all the arguments but the first one.
*
* @param ICommand $command Command instance.
* @param string $prefix Prefix string.
*/
public static function skipFirst(ICommand $command, $prefix)
{
$arguments = $command->getArguments();
$length = count($arguments);
for ($i = 1; $i < $length; $i++) {
$arguments[$i] = "$prefix{$arguments[$i]}";
}
$command->setRawArguments($arguments);
}
/**
* Applies the specified prefix to all the arguments but the last one.
*
* @param ICommand $command Command instance.
* @param string $prefix Prefix string.
*/
public static function skipLast(ICommand $command, $prefix)
{
$arguments = $command->getArguments();
$length = count($arguments);
for ($i = 0; $i < $length - 1; $i++) {
$arguments[$i] = "$prefix{$arguments[$i]}";
}
$command->setRawArguments($arguments);
}
}
-31
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@@ -1,31 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* Base class for Redis commands with prefixable keys.
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
abstract class PrefixableCommand extends Command implements IPrefixable
{
/**
* {@inheritdoc}
*/
public function prefixKeys($prefix)
{
if ($arguments = $this->getArguments()) {
$arguments[0] = "$prefix{$arguments[0]}";
$this->setRawArguments($arguments);
}
}
}
@@ -1,29 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands\Processors;
use Predis\Commands\ICommand;
/**
* A command processor processes commands before they are sent to Redis.
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
interface ICommandProcessor
{
/**
* Processes a Redis command.
*
* @param ICommand $command Redis command.
*/
public function process(ICommand $command);
}
@@ -1,42 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands\Processors;
/**
* A command processor chain processes a command using multiple chained command
* processor before it is sent to Redis.
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
interface ICommandProcessorChain extends ICommandProcessor, \IteratorAggregate, \Countable
{
/**
* Adds a command processor.
*
* @param ICommandProcessor $processor A command processor.
*/
public function add(ICommandProcessor $processor);
/**
* Removes a command processor from the chain.
*
* @param ICommandProcessor $processor A command processor.
*/
public function remove(ICommandProcessor $processor);
/**
* Returns an ordered list of the command processors in the chain.
*
* @return array
*/
public function getProcessors();
}
@@ -1,34 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands\Processors;
/**
* Defines an object that can process commands using command processors.
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
interface IProcessingSupport
{
/**
* Associates a command processor.
*
* @param ICommandProcessor $processor The command processor.
*/
public function setProcessor(ICommandProcessor $processor);
/**
* Returns the associated command processor.
*
* @return ICommandProcessor
*/
public function getProcessor();
}
@@ -1,64 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands\Processors;
use Predis\Commands\ICommand;
use Predis\Commands\IPrefixable;
/**
* Command processor that is used to prefix the keys contained in the arguments
* of a Redis command.
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class KeyPrefixProcessor implements ICommandProcessor
{
private $prefix;
/**
* @param string $prefix Prefix for the keys.
*/
public function __construct($prefix)
{
$this->setPrefix($prefix);
}
/**
* Sets a prefix that is applied to all the keys.
*
* @param string $prefix Prefix for the keys.
*/
public function setPrefix($prefix)
{
$this->prefix = $prefix;
}
/**
* Gets the current prefix.
*
* @return string
*/
public function getPrefix()
{
return $this->prefix;
}
/**
* {@inheritdoc}
*/
public function process(ICommand $command)
{
if ($command instanceof IPrefixable) {
$command->prefixKeys($this->prefix);
}
}
}
@@ -1,132 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands\Processors;
use Predis\Commands\ICommand;
/**
* Default implementation of a command processors chain.
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ProcessorChain implements ICommandProcessorChain, \ArrayAccess
{
private $processors = array();
/**
* @param array $processors List of instances of ICommandProcessor.
*/
public function __construct($processors = array())
{
foreach ($processors as $processor) {
$this->add($processor);
}
}
/**
* {@inheritdoc}
*/
public function add(ICommandProcessor $processor)
{
$this->processors[] = $processor;
}
/**
* {@inheritdoc}
*/
public function remove(ICommandProcessor $processor)
{
$index = array_search($processor, $this->processors, true);
if ($index !== false) {
unset($this[$index]);
}
}
/**
* {@inheritdoc}
*/
public function process(ICommand $command)
{
$count = count($this->processors);
for ($i = 0; $i < $count; $i++) {
$this->processors[$i]->process($command);
}
}
/**
* {@inheritdoc}
*/
public function getProcessors()
{
return $this->processors;
}
/**
* Returns an iterator over the list of command processor in the chain.
*
* @return \ArrayIterator
*/
public function getIterator()
{
return new \ArrayIterator($this->processors);
}
/**
* Returns the number of command processors in the chain.
*
* @return int
*/
public function count()
{
return count($this->processors);
}
/**
* {@inheritdoc}
*/
public function offsetExists($index)
{
return isset($this->processors[$index]);
}
/**
* {@inheritdoc}
*/
public function offsetGet($index)
{
return $this->processors[$index];
}
/**
* {@inheritdoc}
*/
public function offsetSet($index, $processor)
{
if (!$processor instanceof ICommandProcessor) {
throw new \InvalidArgumentException(
'A processor chain can hold only instances of classes implementing '.
'the Predis\Commands\Preprocessors\ICommandProcessor interface'
);
}
$this->processors[$index] = $processor;
}
/**
* {@inheritdoc}
*/
public function offsetUnset($index)
{
unset($this->processors[$index]);
$this->processors = array_values($this->processors);
}
}
-35
View File
@@ -1,35 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
/**
* @link http://redis.io/commands/publish
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class PubSubPublish extends PrefixableCommand
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'PUBLISH';
}
/**
* {@inheritdoc}
*/
protected function canBeHashed()
{
return false;
}
}
-53
View File
@@ -1,53 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
use Predis\Helpers;
/**
* @link http://redis.io/commands/subscribe
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class PubSubSubscribe extends Command implements IPrefixable
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'SUBSCRIBE';
}
/**
* {@inheritdoc}
*/
protected function filterArguments(Array $arguments)
{
return Helpers::filterArrayArguments($arguments);
}
/**
* {@inheritdoc}
*/
public function prefixKeys($prefix)
{
PrefixHelpers::all($this, $prefix);
}
/**
* {@inheritdoc}
*/
protected function canBeHashed()
{
return false;
}
}
@@ -1,29 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
use Predis\Helpers;
/**
* @link http://redis.io/commands/psubscribe
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class PubSubSubscribeByPattern extends PubSubSubscribe
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'PSUBSCRIBE';
}
}
-53
View File
@@ -1,53 +0,0 @@
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Commands;
use Predis\Helpers;
/**
* @link http://redis.io/commands/unsubscribe
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class PubSubUnsubscribe extends Command implements IPrefixable
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'UNSUBSCRIBE';
}
/**
* {@inheritdoc}
*/
protected function filterArguments(Array $arguments)
{
return Helpers::filterArrayArguments($arguments);
}
/**
* {@inheritdoc}
*/
public function prefixKeys($prefix)
{
PrefixHelpers::all($this, $prefix);
}
/**
* {@inheritdoc}
*/
protected function canBeHashed()
{
return false;
}
}

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