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MultiBulkResponseIterator and MultiBulkResponseKVIterator inherit from a common MultiBulkResponseIteratorBase class.

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This commit is contained in:
Daniele Alessandri
2010-02-27 12:44:36 +01:00
parent f65cb529ec
commit 6e5c495b26
1 changed files with 33 additions and 54 deletions
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lib/Predis.php
+33 -54
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@@ -1164,29 +1164,8 @@ class HashRing {
}
}
class MultiBulkResponseIterator implements \Iterator, \Countable {
private $_connection, $_position, $_current, $_replySize;
public function __construct($socket, $size) {
$this->_connection = $socket;
$this->_position = 0;
$this->_current = $size > 0 ? $this->getValue() : null;
$this->_replySize = $size;
}
public function __destruct() {
// when the iterator is garbage-collected (e.g. it goes out of the
// scope of a foreach) but it has not reached its end, we must sync
// the client with the queued elements that have not been read from
// the connection with the server.
$this->sync();
}
public function sync() {
while ($this->valid()) {
$this->next();
}
}
abstract class MultiBulkResponseIteratorBase implements \Iterator, \Countable {
protected $_position, $_current, $_replySize;
public function rewind() {
// NOOP
@@ -1218,13 +1197,40 @@ class MultiBulkResponseIterator implements \Iterator, \Countable {
return $this->_replySize;
}
private function getValue() {
protected abstract function getValue();
}
class MultiBulkResponseIterator extends MultiBulkResponseIteratorBase {
private $_connection;
public function __construct($socket, $size) {
$this->_connection = $socket;
$this->_position = 0;
$this->_current = $size > 0 ? $this->getValue() : null;
$this->_replySize = $size;
}
public function __destruct() {
// when the iterator is garbage-collected (e.g. it goes out of the
// scope of a foreach) but it has not reached its end, we must sync
// the client with the queued elements that have not been read from
// the connection with the server.
$this->sync();
}
public function sync() {
while ($this->valid()) {
$this->next();
}
}
protected function getValue() {
return \Predis\Response::read($this->_connection);
}
}
class MultiBulkResponseKVIterator implements \Iterator, \Countable {
private $_iterator, $_position, $_current, $_replySize;
class MultiBulkResponseKVIterator extends MultiBulkResponseIteratorBase {
private $_iterator;
public function __construct(MultiBulkResponseIterator $iterator) {
$virtualSize = count($iterator) / 2;
@@ -1239,34 +1245,7 @@ class MultiBulkResponseKVIterator implements \Iterator, \Countable {
$this->_iterator->sync();
}
public function rewind() {
// NOOP
}
public function current() {
return $this->_current;
}
public function key() {
return $this->_position;
}
public function next() {
if (++$this->_position < $this->_replySize) {
$this->_current = $this->getValue();
}
return $this->_position;
}
public function valid() {
return $this->_position < $this->_replySize;
}
public function count() {
return $this->_replySize;
}
private function getValue() {
protected function getValue() {
$k = $this->_iterator->current();
$this->_iterator->next();
$v = $this->_iterator->current();