Package org.elasticsearch.cluster.routing

Class BatchedRerouteService

java.lang.Object

org.elasticsearch.cluster.routing.BatchedRerouteService

All Implemented Interfaces:

RerouteService

public class BatchedRerouteService
extends Object
implements RerouteService

A BatchedRerouteService is a RerouteService that batches together reroute requests to avoid unnecessary extra reroutes. This component only does meaningful work on the elected master node. Reroute requests will fail with a NotMasterException on other nodes.

Constructor Summary

Constructors

Constructor	Description
BatchedRerouteService(ClusterService clusterService, BiFunction<ClusterState,String,ClusterState> reroute)

Method Summary

Modifier and Type	Method	Description
void	reroute(String reason, Priority priority, ActionListener<Void> listener)	Initiates a reroute.

Methods inherited from class java.lang.Object

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

Constructor Detail

BatchedRerouteService

public BatchedRerouteService(ClusterService clusterService,
                             BiFunction<ClusterState,String,ClusterState> reroute)

Parameters:

reroute - Function that computes the updated cluster state after it has been rerouted.

Method Detail

reroute

public final void reroute(String reason,
                          Priority priority,
                          ActionListener<Void> listener)

Initiates a reroute.

Specified by:

reroute in interface RerouteService

priority - the (minimum) priority at which to run this reroute. If there is already a pending reroute at a higher priority then this reroute is batched with the pending one; if there is already a pending reroute at a lower priority then the priority of the pending batch is raised to the given priority.