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From "vitthal (Suhas) Gogate (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-122) Make explicit call to Cluster.updateClusterState() when state of cluster changes
Date Thu, 03 Nov 2011 00:07:32 GMT
Make explicit call to Cluster.updateClusterState() when state of cluster changes
--------------------------------------------------------------------------------

                 Key: AMBARI-122
                 URL: https://issues.apache.org/jira/browse/AMBARI-122
             Project: Ambari
          Issue Type: Bug
          Components: controller
    Affects Versions: 0.1.0
            Reporter: vitthal (Suhas) Gogate
             Fix For: 0.1.0


Previously Cluster.getClusterState() was returning the reference to ClusterState object and
changing any elements of this state object would change the cluster state. Now as we have
to persist the state, we have to explicitly make a call to Cluster.updateCluterState() when
cluster state changes... 

Following scenario will NOT update cluster state 
Cluster cls = getClusterByName(clusterName);
cls.getClusterState().setState("ATTIC"); 

Instead, 
Cluster cls = getClusterByName(clusterName);
ClusterState cs = cls.getClusterState();
cs.setState("ATTIC");
cls.updateClusterState(cs);


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