Module org.elasticsearch.server

Package org.elasticsearch.reservedstate.service

Class ReservedStateUpdateTaskExecutor

java.lang.Object

org.elasticsearch.cluster.SimpleBatchedExecutor<ReservedStateUpdateTask,Void>

org.elasticsearch.reservedstate.service.ReservedStateUpdateTaskExecutor

All Implemented Interfaces:

ClusterStateTaskExecutor<ReservedStateUpdateTask>

public class ReservedStateUpdateTaskExecutor
extends SimpleBatchedExecutor<ReservedStateUpdateTask,Void>

Reserved cluster state update task executor

Nested Class Summary

Nested classes/interfaces inherited from interface org.elasticsearch.cluster.ClusterStateTaskExecutor

ClusterStateTaskExecutor.BatchExecutionContext<T extends ClusterStateTaskListener>, ClusterStateTaskExecutor.TaskContext<T extends ClusterStateTaskListener>

Constructor Summary

Constructors

Constructor	Description
ReservedStateUpdateTaskExecutor(RerouteService rerouteService)

Method Summary

Modifier and Type	Method	Description
void	clusterStatePublished()	Called after the new cluster state is published.
Tuple<ClusterState,Void>	executeTask(ReservedStateUpdateTask task, ClusterState clusterState)	Executes the provided task from the batch.
void	taskSucceeded(ReservedStateUpdateTask task, Void unused)	Called if executing a task in the batch finished successfully, and before the execution of the next task in the batch.

Methods inherited from class org.elasticsearch.cluster.SimpleBatchedExecutor

afterBatchExecution, clusterStatePublished, execute

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.elasticsearch.cluster.ClusterStateTaskExecutor

describeTasks, runOnlyOnMaster

Constructor Details

ReservedStateUpdateTaskExecutor

public ReservedStateUpdateTaskExecutor(RerouteService rerouteService)

Method Details

executeTask

public Tuple<ClusterState,Void> executeTask(ReservedStateUpdateTask task,
 ClusterState clusterState)

Description copied from class: SimpleBatchedExecutor

Executes the provided task from the batch.

Specified by:

executeTask in class SimpleBatchedExecutor<ReservedStateUpdateTask,Void>

Parameters:

task - The task to be executed.

clusterState - The cluster state on which the task should be executed.

Returns:

A tuple consisting of the resulting cluster state after executing this task, and the result of the task execution. The returned cluster state serves as the cluster state on which the next task in the batch will run. The returned task result is provided to the SimpleBatchedExecutor.taskSucceeded(Task, TaskResult) implementation.

taskSucceeded

public void taskSucceeded(ReservedStateUpdateTask task,
 Void unused)

Description copied from class: SimpleBatchedExecutor

Called if executing a task in the batch finished successfully, and before the execution of the next task in the batch.

Specified by:

taskSucceeded in class SimpleBatchedExecutor<ReservedStateUpdateTask,Void>

Parameters:

task - The task that successfully finished execution.

unused - The result returned from the successful execution of the task.

clusterStatePublished

public void clusterStatePublished()

Description copied from class: SimpleBatchedExecutor

Called after the new cluster state is published. Note that this method is not invoked if the cluster state was not updated.

Overrides:

clusterStatePublished in class SimpleBatchedExecutor<ReservedStateUpdateTask,Void>