Package org.elasticsearch.cluster

Interface ClusterStateTaskListener

All Known Subinterfaces:

AckedClusterStateTaskListener

All Known Implementing Classes:

AckedClusterStateUpdateTask, ClusterStateUpdateTask, LocalClusterUpdateTask, NodeRemovalClusterStateTaskExecutor, ShardStateAction.ShardStartedClusterStateTaskExecutor

public interface ClusterStateTaskListener

Method Summary

Modifier and Type	Method	Description
default void	clusterStateProcessed(String source, ClusterState oldState, ClusterState newState)	Called when the result of the ClusterStateTaskExecutor.execute(ClusterState, List) have been processed properly by all listeners.
void	onFailure(String source, Exception e)	A callback called when execute fails.
default void	onNoLongerMaster(String source)	called when the task was rejected because the local node is no longer master.

Method Detail

onFailure

void onFailure(String source,
               Exception e)

A callback called when execute fails.

onNoLongerMaster

default void onNoLongerMaster(String source)

called when the task was rejected because the local node is no longer master. Used only for tasks submitted to MasterService.

clusterStateProcessed

default void clusterStateProcessed(String source,
                                   ClusterState oldState,
                                   ClusterState newState)

Called when the result of the ClusterStateTaskExecutor.execute(ClusterState, List) have been processed properly by all listeners.