[GitHub] incubator-ariatosca pull request #75: ARIA-117-Log-model-should-have-an-Task...

[ran-z <gi...@git.apache.org>]

Github user ran-z commented on a diff in the pull request:

    https://github.com/apache/incubator-ariatosca/pull/75#discussion_r105559391
  
    --- Diff: aria/orchestrator/context/operation.py ---
    @@ -64,11 +67,19 @@ def task(self):
             The task in the model storage
             :return: Task model
             """
    -        if not self._task:
    +        # SQLAlchemy prevents from accessing an object which was created on a different thread.
    +        # So we retrieve the object from the storage if the current thread isn't the same as the
    +        # original thread.
    +        if not self._task or self._current_thread_id != self._current_thread:
                 self._task = self.model.task.get(self._task_id)
    +            self._current_thread = self._current_thread_id
             return self._task
     
         @property
    +    def _current_thread_id(self):
    --- End diff --
    
    be a man. save it in a thread local.


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