Developer
<?php
namespace Illuminate\Queue;
use Closure;
use Illuminate\Contracts\Queue\Factory as FactoryContract;
use Illuminate\Contracts\Queue\Monitor as MonitorContract;
use InvalidArgumentException;
/**
* @mixin \Illuminate\Contracts\Queue\Queue
*/
class QueueManager implements FactoryContract, MonitorContract
{
/**
* The application instance.
*
* @var \Illuminate\Contracts\Foundation\Application
*/
protected $app;
/**
* The array of resolved queue connections.
*
* @var array
*/
protected $connections = [];
/**
* The array of resolved queue connectors.
*
* @var array
*/
protected $connectors = [];
/**
* Create a new queue manager instance.
*
* @param \Illuminate\Contracts\Foundation\Application $app
* @return void
*/
public function __construct($app)
{
$this->app = $app;
}
/**
* Register an event listener for the before job event.
*
* @param mixed $callback
* @return void
*/
public function before($callback)
{
$this->app['events']->listen(Events\JobProcessing::class, $callback);
}
/**
* Register an event listener for the after job event.
*
* @param mixed $callback
* @return void
*/
public function after($callback)
{
$this->app['events']->listen(Events\JobProcessed::class, $callback);
}
/**
* Register an event listener for the exception occurred job event.
*
* @param mixed $callback
* @return void
*/
public function exceptionOccurred($callback)
{
$this->app['events']->listen(Events\JobExceptionOccurred::class, $callback);
}
/**
* Register an event listener for the daemon queue loop.
*
* @param mixed $callback
* @return void
*/
public function looping($callback)
{
$this->app['events']->listen(Events\Looping::class, $callback);
}
/**
* Register an event listener for the failed job event.
*
* @param mixed $callback
* @return void
*/
public function failing($callback)
{
$this->app['events']->listen(Events\JobFailed::class, $callback);
}
/**
* Register an event listener for the daemon queue stopping.
*
* @param mixed $callback
* @return void
*/
public function stopping($callback)
{
$this->app['events']->listen(Events\WorkerStopping::class, $callback);
}
/**
* Determine if the driver is connected.
*
* @param string|null $name
* @return bool
*/
public function connected($name = null)
{
return isset($this->connections[$name ?: $this->getDefaultDriver()]);
}
/**
* Resolve a queue connection instance.
*
* @param string|null $name
* @return \Illuminate\Contracts\Queue\Queue
*/
public function connection($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 $name
* @return \Illuminate\Contracts\Queue\Queue
*
* @throws \InvalidArgumentException
*/
protected function resolve($name)
{
$config = $this->getConfig($name);
if (is_null($config)) {
throw new InvalidArgumentException("The [{$name}] queue connection has not been configured.");
}
return $this->getConnector($config['driver'])
->connect($config)
->setConnectionName($name);
}
/**
* 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])) {
throw new InvalidArgumentException("No connector for [$driver].");
}
return call_user_func($this->connectors[$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 $name
* @return array|null
*/
protected function getConfig($name)
{
if (! is_null($name) && $name !== 'null') {
return $this->app['config']["queue.connections.{$name}"];
}
return ['driver' => 'null'];
}
/**
* 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|null $connection
* @return string
*/
public function getName($connection = null)
{
return $connection ?: $this->getDefaultDriver();
}
/**
* Get the application instance used by the manager.
*
* @return \Illuminate\Contracts\Foundation\Application
*/
public function getApplication()
{
return $this->app;
}
/**
* Set the application instance used by the manager.
*
* @param \Illuminate\Contracts\Foundation\Application $app
* @return $this
*/
public function setApplication($app)
{
$this->app = $app;
foreach ($this->connections as $connection) {
$connection->setContainer($app);
}
return $this;
}
/**
* Dynamically pass calls to the default connection.
*
* @param string $method
* @param array $parameters
* @return mixed
*/
public function __call($method, $parameters)
{
return $this->connection()->$method(...$parameters);
}
}
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