org.elasticsearch.cluster

Interface AckedClusterStateTaskListener

All Superinterfaces:

ClusterStateTaskListener

All Known Implementing Classes:

AbstractAckedClusterStateTaskListener, AckedClusterStateUpdateTask

public interface AckedClusterStateTaskListener
extends ClusterStateTaskListener

Method Summary

Methods

Modifier and Type	Method and Description
TimeValue	ackTimeout() Acknowledgement timeout, maximum time interval to wait for acknowledgements
boolean	mustAck(DiscoveryNode discoveryNode) Called to determine which nodes the acknowledgement is expected from
void	onAckTimeout() Called once the acknowledgement timeout defined by AckedClusterStateUpdateTask.ackTimeout() has expired
void	onAllNodesAcked(Throwable t) Called once all the nodes have acknowledged the cluster state update request.

Methods inherited from interface org.elasticsearch.cluster.ClusterStateTaskListener

clusterStateProcessed, onFailure, onNoLongerMaster

Method Detail

mustAck

boolean mustAck(DiscoveryNode discoveryNode)

Called to determine which nodes the acknowledgement is expected from

Parameters:

discoveryNode - a node

Returns:

true if the node is expected to send ack back, false otherwise

onAllNodesAcked

void onAllNodesAcked(@Nullable
                   Throwable t)

Called once all the nodes have acknowledged the cluster state update request. Must be very lightweight execution, since it gets executed on the cluster service thread.

Parameters:

t - optional error that might have been thrown

onAckTimeout

void onAckTimeout()

Called once the acknowledgement timeout defined by AckedClusterStateUpdateTask.ackTimeout() has expired

ackTimeout

TimeValue ackTimeout()

Acknowledgement timeout, maximum time interval to wait for acknowledgements