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Daniele Alessandri
8a84f8b6cf
Using SplQueue instead of a plain PHP array to queue command instance in the pipeline is faster and makes the underlying implementation definitely more clean. This change is not going to be backported to Predis v0.7 due to changes in Predis\Pipeline\PipelineContextInterface.
61 lines
1.6 KiB
PHP
61 lines
1.6 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 SplQueue;
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use Predis\ServerException;
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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 that does not fail when an error is
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* encountered, but adds the returned error in the 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 SafeExecutor 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, SplQueue $commands)
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{
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$size = count($commands);
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$values = array();
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foreach ($commands as $command) {
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try {
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$connection->writeCommand($command);
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}
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catch (CommunicationException $exception) {
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return array_fill(0, $size, $exception);
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}
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}
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for ($i = 0; $i < $size; $i++) {
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$command = $commands->dequeue();
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try {
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$response = $connection->readResponse($command);
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$values[$i] = $response instanceof \Iterator ? iterator_to_array($response) : $response;
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}
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catch (CommunicationException $exception) {
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$toAdd = count($commands) - count($values);
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$values = array_merge($values, array_fill(0, $toAdd, $exception));
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break;
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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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