lib/Resque/Failure.php
public static function getBackend()
	{
		if(self::$backend === null) {
			require  dirname(__FILE__) . '/Failure/Redis.php';
			self::$backend = 'Resque_Failure_Redis';
		}

		return self::$backend;
	}
public static function getBackend()
	{
		if(self::$backend === null) {
			require  dirname(__FILE__) . '/Failure/Redis.php';
			self::$backend = 'Resque_Failure_Redis';
		}

		return self::$backend;
	}
public static function getBackend ( ) { if ( self :: $ backend === null ) { require dirname ( __FILE__ ) . '/Failure/Redis.php' ; self :: $ backend = 'Resque_Failure_Redis' ; } return self :: $ backend ; }
Return an instance of the backend for saving job failures.

@return object Instance of backend object.
Return an instance of the backend for saving job failures .