org.elasticsearch.cluster

Class ClusterStateObserver.ValidationPredicate

java.lang.Object

org.elasticsearch.cluster.ClusterStateObserver.ValidationPredicate

All Implemented Interfaces:

ClusterStateObserver.ChangePredicate

Enclosing class:

ClusterStateObserver

public abstract static class ClusterStateObserver.ValidationPredicate
extends Object
implements ClusterStateObserver.ChangePredicate

Constructor Summary

Constructors

Constructor and Description
ClusterStateObserver.ValidationPredicate()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	apply(ClusterChangedEvent changedEvent) called to see whether a cluster change should be accepted
boolean	apply(ClusterState previousState, ClusterState.ClusterStateStatus previousStatus, ClusterState newState, ClusterState.ClusterStateStatus newStatus) a rough check used when starting to monitor for a new change.
protected abstract boolean	validate(ClusterState newState)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ClusterStateObserver.ValidationPredicate

public ClusterStateObserver.ValidationPredicate()

Method Detail

apply

public boolean apply(ClusterState previousState,
            ClusterState.ClusterStateStatus previousStatus,
            ClusterState newState,
            ClusterState.ClusterStateStatus newStatus)

Description copied from interface: ClusterStateObserver.ChangePredicate

a rough check used when starting to monitor for a new change. Called infrequently can be less accurate.

Specified by:

apply in interface ClusterStateObserver.ChangePredicate

Returns:

true if newState should be accepted

validate

protected abstract boolean validate(ClusterState newState)

apply

public boolean apply(ClusterChangedEvent changedEvent)

Description copied from interface: ClusterStateObserver.ChangePredicate

called to see whether a cluster change should be accepted

Specified by:

apply in interface ClusterStateObserver.ChangePredicate

Returns:

true if changedEvent.state() should be accepted