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Daniele Alessandri
41c29bed4e
The "throw_errors" connection parameter has been removed and replaced by the new "exceptions" client option since exceptions on -ERR replies returned by Redis are not generated by connection classes anymore but are thrown by the client class and other abstractions such as pipeline contexts. This change does not affect much people using the Predis\Client class (aside from the different configuration) but gives much more flexibility to those building their own pieces of code around the internal classes of Predis.
75 lines
2.2 KiB
PHP
75 lines
2.2 KiB
PHP
<?php
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/*
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* This file is part of the Predis package.
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*
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* (c) Daniele Alessandri <suppakilla@gmail.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Predis\Pipeline;
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use Predis\CommunicationException;
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use Predis\Connection\ConnectionInterface;
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/**
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* Implements a pipeline executor strategy for connection clusters that does
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* not fail when an error is encountered, but adds the returned error in the
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* replies array.
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*
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* @author Daniele Alessandri <suppakilla@gmail.com>
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*/
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class SafeClusterExecutor implements PipelineExecutorInterface
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{
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/**
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* {@inheritdoc}
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*/
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public function execute(ConnectionInterface $connection, Array &$commands)
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{
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$connectionExceptions = array();
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$sizeofPipe = count($commands);
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$values = array();
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foreach ($commands as $command) {
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$cmdConnection = $connection->getConnection($command);
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if (isset($connectionExceptions[spl_object_hash($cmdConnection)])) {
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continue;
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}
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try {
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$cmdConnection->writeCommand($command);
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}
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catch (CommunicationException $exception) {
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$connectionExceptions[spl_object_hash($cmdConnection)] = $exception;
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}
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}
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for ($i = 0; $i < $sizeofPipe; $i++) {
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$command = $commands[$i];
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unset($commands[$i]);
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$cmdConnection = $connection->getConnection($command);
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$connectionObjectHash = spl_object_hash($cmdConnection);
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if (isset($connectionExceptions[$connectionObjectHash])) {
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$values[] = $connectionExceptions[$connectionObjectHash];
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continue;
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}
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try {
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$response = $cmdConnection->readResponse($command);
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$values[] = $response instanceof \Iterator ? iterator_to_array($response) : $response;
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}
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catch (CommunicationException $exception) {
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$values[] = $exception;
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$connectionExceptions[$connectionObjectHash] = $exception;
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}
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}
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return $values;
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}
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}
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