Refactor master node change predicate for reuse #15735
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This commit migrates a ClusterStateObserver.ChangePredicate for detecting a master node change into a separate class for reuse elsewhere.
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This predicate will be reused in the next step of #14252 (handling when we send a shard failure to a node that we thought was the master but is no longer the master). |
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LGTM |
jasontedor
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Jan 6, 2016
Refactor master node change predicate for reuse
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This commit migrates a ClusterStateObserver.ChangePredicate for
detecting a master node change into a separate class for reuse
elsewhere.