Engine interfaces
=================

Interfaces related with the engine.
   
.. class:: EngineTask

   Scheduled task for engine operations.

   .. function:: result(timeout)
   
.. class:: EngineEventQueue

   Queue for engine task events.
   
   .. function:: dispatch(task, name, value)
   
      Function used for task event dispatching.
      
      :param EngineTask task:
         Source task.
      :param string name:
         Event type name.
      :param value:
         Event value.