Module org.elasticsearch.server

Package org.elasticsearch.cluster.metadata

Class SystemIndexMetadataUpgradeService

java.lang.Object

org.elasticsearch.cluster.metadata.SystemIndexMetadataUpgradeService

All Implemented Interfaces:

ClusterStateListener

public class SystemIndexMetadataUpgradeService
extends Object
implements ClusterStateListener

A service responsible for updating the metadata used by system indices. Mapping updates are handled by SystemIndexMappingUpdateService.

Constructor Summary

Constructors

Constructor	Description
SystemIndexMetadataUpgradeService(SystemIndices systemIndices, ClusterService clusterService)

Method Summary

Modifier and Type	Method	Description
void	clusterChanged(ClusterChangedEvent event)	Called when cluster state changes.

Methods inherited from class java.lang.Object

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

Constructor Details

SystemIndexMetadataUpgradeService

public SystemIndexMetadataUpgradeService(SystemIndices systemIndices,
 ClusterService clusterService)

Method Details

clusterChanged

public void clusterChanged(ClusterChangedEvent event)

Description copied from interface: ClusterStateListener

Called when cluster state changes.

Cluster states are applied one-by-one which means they can be a performance bottleneck. Implementations of this method should therefore be fast, so please consider forking work into the background rather than doing everything inline.

Specified by:

clusterChanged in interface ClusterStateListener