/usr/share/php/Predis/Option/ClientCluster.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\ClusterConnectionInterface;
use Predis\Connection\PredisCluster;
use Predis\Connection\RedisCluster;
/**
* Option class that returns a connection cluster to be used by a client.
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ClientCluster extends AbstractOption
{
/**
* Checks if the specified value is a valid instance of ClusterConnectionInterface.
*
* @param ClusterConnectionInterface $cluster Instance of a connection cluster.
* @return ClusterConnectionInterface
*/
protected function checkInstance($cluster)
{
if (!$cluster instanceof ClusterConnectionInterface) {
throw new \InvalidArgumentException('Instance of Predis\Connection\ClusterConnectionInterface expected');
}
return $cluster;
}
/**
* {@inheritdoc}
*/
public function filter(ClientOptionsInterface $options, $value)
{
if (is_callable($value)) {
return $this->checkInstance(call_user_func($value, $options, $this));
}
$initializer = $this->getInitializer($options, $value);
return $this->checkInstance($initializer());
}
/**
* Returns an initializer for the specified FQN or type.
*
* @param string $fqnOrType Type of cluster or FQN of a class implementing ClusterConnectionInterface.
* @param ClientOptionsInterface $options Instance of the client options.
* @return \Closure
*/
protected function getInitializer(ClientOptionsInterface $options, $fqnOrType)
{
switch ($fqnOrType) {
case 'predis':
return function () {
return new PredisCluster();
};
case 'redis':
return function () use ($options) {
$connectionFactory = $options->connections;
$cluster = new RedisCluster($connectionFactory);
return $cluster;
};
default:
// TODO: we should not even allow non-string values here.
if (is_string($fqnOrType) && !class_exists($fqnOrType)) {
throw new \InvalidArgumentException("Class $fqnOrType does not exist");
}
return function () use ($fqnOrType) {
return new $fqnOrType();
};
}
}
/**
* {@inheritdoc}
*/
public function getDefault(ClientOptionsInterface $options)
{
return new PredisCluster();
}
}
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