/usr/share/php/Predis/Option/ClientReplication.php is in libphp-predis 0.8.3-1.
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/*
* 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\Option;
use Predis\Connection\MasterSlaveReplication;
use Predis\Connection\ReplicationConnectionInterface;
/**
* Option class that returns a replication connection be used by a client.
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ClientReplication extends AbstractOption
{
/**
* Checks if the specified value is a valid instance of ReplicationConnectionInterface.
*
* @param ReplicationConnectionInterface $connection Instance of a replication connection.
* @return ReplicationConnectionInterface
*/
protected function checkInstance($connection)
{
if (!$connection instanceof ReplicationConnectionInterface) {
throw new \InvalidArgumentException('Instance of Predis\Connection\ReplicationConnectionInterface expected');
}
return $connection;
}
/**
* {@inheritdoc}
*/
public function filter(ClientOptionsInterface $options, $value)
{
if (is_callable($value)) {
$connection = call_user_func($value, $options, $this);
if (!$connection instanceof ReplicationConnectionInterface) {
throw new \InvalidArgumentException('Instance of Predis\Connection\ReplicationConnectionInterface expected');
}
return $connection;
}
if (is_string($value)) {
if (!class_exists($value)) {
throw new \InvalidArgumentException("Class $value does not exist");
}
if (!($connection = new $value()) instanceof ReplicationConnectionInterface) {
throw new \InvalidArgumentException('Instance of Predis\Connection\ReplicationConnectionInterface expected');
}
return $connection;
}
if ($value == true) {
return $this->getDefault($options);
}
}
/**
* {@inheritdoc}
*/
public function getDefault(ClientOptionsInterface $options)
{
return new MasterSlaveReplication();
}
}
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