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From "Julia (JIRA)" <j...@apache.org>
Subject [jira] [Created] (REEF-1381) Allow to add Observer for ActiveContextManager
Date Thu, 05 May 2016 21:01:12 GMT
Julia created REEF-1381:
---------------------------

             Summary: Allow to add Observer for ActiveContextManager
                 Key: REEF-1381
                 URL: https://issues.apache.org/jira/browse/REEF-1381
             Project: REEF
          Issue Type: Task
            Reporter: Julia


Currently in ActiveContextManager, we have a property exposed AreAllContextsReceived. Whe
nreceiving IActiveContext event, IMRU driver can pull the value of this property to decide
if it is ready to submit tasks. 

Instead, we can register an observer to ActiveContextManager. After receiving the last active
context, it will notify the observer for submitting tasks. 



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