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<?php namespace Illuminate\Queue;
use Closure;
class QueueManager {
/**
* The application instance.
*
* @var \Illuminate\Foundation\Application
*/
protected $app;
/**
* The array of resolved queue connections.
*
* @var array
*/
protected $connections = array();
/**
* Create a new queue manager instance.
*
* @param \Illuminate\Foundation\Application $app
* @return void
*/
public function __construct($app)
{
$this->app = $app;
}
/**
* Register an event listener for the failed job event.
*
* @param mixed $callback
* @return void
*/
public function failing($callback)
{
$this->app['events']->listen('illuminate.queue.failed', $callback);
}
/**
* Determine if the driver is connected.
*
* @param string $name
* @return bool
*/
public function connected($name = null)
{
return isset($this->connections[$name ?: $this->getDefaultDriver()]);
}
/**
* Resolve a queue connection instance.
*
* @param string $name
* @return \Illuminate\Queue\QueueInterface
*/
public function connection($name = null)
{
$name = $name ?: $this->getDefaultDriver();
// If the connection has not been resolved yet we will resolve it now as all
// of the connections are resolved when they are actually needed so we do
// not make any unnecessary connection to the various queue end-points.
if ( ! isset($this->connections[$name]))
{
$this->connections[$name] = $this->resolve($name);
$this->connections[$name]->setContainer($this->app);
}
return $this->connections[$name];
}
/**
* Resolve a queue connection.
*
* @param string $name
* @return \Illuminate\Queue\QueueInterface
*/
protected function resolve($name)
{
$config = $this->getConfig($name);
return $this->getConnector($config['driver'])->connect($config);
}
/**
* Get the connector for a given driver.
*
* @param string $driver
* @return \Illuminate\Queue\Connectors\ConnectorInterface
*
* @throws \InvalidArgumentException
*/
protected function getConnector($driver)
{
if (isset($this->connectors[$driver]))
{
return call_user_func($this->connectors[$driver]);
}
throw new \InvalidArgumentException("No connector for [$driver]");
}
/**
* Add a queue connection resolver.
*
* @param string $driver
* @param Closure $resolver
* @return void
*/
public function extend($driver, Closure $resolver)
{
return $this->addConnector($driver, $resolver);
}
/**
* Add a queue connection resolver.
*
* @param string $driver
* @param Closure $resolver
* @return void
*/
public function addConnector($driver, Closure $resolver)
{
$this->connectors[$driver] = $resolver;
}
/**
* Get the queue connection configuration.
*
* @param string $name
* @return array
*/
protected function getConfig($name)
{
return $this->app['config']["queue.connections.{$name}"];
}
/**
* Get the name of the default queue connection.
*
* @return string
*/
public function getDefaultDriver()
{
return $this->app['config']['queue.default'];
}
/**
* Set the name of the default queue connection.
*
* @param string $name
* @return void
*/
public function setDefaultDriver($name)
{
$this->app['config']['queue.default'] = $name;
}
/**
* Get the full name for the given connection.
*
* @param string $connection
* @return string
*/
public function getName($connection = null)
{
return $connection ?: $this->getDefaultDriver();
}
/**
* Dynamically pass calls to the default connection.
*
* @param string $method
* @param array $parameters
* @return mixed
*/
public function __call($method, $parameters)
{
$callable = array($this->connection(), $method);
return call_user_func_array($callable, $parameters);
}
}
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