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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.
*/
namespace Predis\Pipeline;
use SplQueue;
use Predis\CommunicationException;
use Predis\Connection\ConnectionInterface;
/**
* Implements a pipeline executor strategy for connection clusters that does
* not fail when an error is encountered, but adds the returned error in the
* replies array.
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class SafeClusterExecutor implements PipelineExecutorInterface
{
/**
* {@inheritdoc}
*/
public function execute(ConnectionInterface $connection, SplQueue $commands)
{
$size = count($commands);
$values = array();
$connectionExceptions = array();
foreach ($commands as $command) {
$cmdConnection = $connection->getConnection($command);
if (isset($connectionExceptions[spl_object_hash($cmdConnection)])) {
continue;
}
try {
$cmdConnection->writeCommand($command);
} catch (CommunicationException $exception) {
$connectionExceptions[spl_object_hash($cmdConnection)] = $exception;
}
}
for ($i = 0; $i < $size; $i++) {
$command = $commands->dequeue();
$cmdConnection = $connection->getConnection($command);
$connectionObjectHash = spl_object_hash($cmdConnection);
if (isset($connectionExceptions[$connectionObjectHash])) {
$values[$i] = $connectionExceptions[$connectionObjectHash];
continue;
}
try {
$response = $cmdConnection->readResponse($command);
$values[$i] = $response instanceof \Iterator ? iterator_to_array($response) : $response;
} catch (CommunicationException $exception) {
$values[$i] = $exception;
$connectionExceptions[$connectionObjectHash] = $exception;
}
}
return $values;
}
}
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Revision |
Author |
Commited |
Message |
1464
|
MOliva
|
Tue 13 Oct, 2020 11:16:56 +0000 |
|