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https://issues.apache.org/jira/browse/AMBARI-122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13142707#comment-13142707
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vitthal (Suhas) Gogate commented on AMBARI-122:
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We can discuss and fix it, if used in state machine.
> 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
> Assignee: Devaraj Das
> 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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