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<?php
/*
* This file is part of the Predis package.
*
* (c) 2009-2020 Daniele Alessandri
* (c) 2021-2023 Till Krüss
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis;
use Exception;
use Predis\Connection\NodeConnectionInterface;
/**
* Base exception class for network-related errors.
*/
abstract class CommunicationException extends PredisException
{
private $connection;
/**
* @param NodeConnectionInterface $connection Connection that generated the exception.
* @param string $message Error message.
* @param int $code Error code.
* @param Exception|null $innerException Inner exception for wrapping the original error.
*/
public function __construct(
NodeConnectionInterface $connection,
$message = '',
$code = 0,
Exception $innerException = null
) {
parent::__construct(
is_null($message) ? '' : $message,
is_null($code) ? 0 : $code,
$innerException
);
$this->connection = $connection;
}
/**
* Gets the connection that generated the exception.
*
* @return NodeConnectionInterface
*/
public function getConnection()
{
return $this->connection;
}
/**
* Indicates if the receiver should reset the underlying connection.
*
* @return bool
*/
public function shouldResetConnection()
{
return true;
}
/**
* Helper method to handle exceptions generated by a connection object.
*
* @param CommunicationException $exception Exception.
*
* @throws CommunicationException
*/
public static function handle(CommunicationException $exception)
{
if ($exception->shouldResetConnection()) {
$connection = $exception->getConnection();
if ($connection->isConnected()) {
$connection->disconnect();
}
}
throw $exception;
}
}
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