org.elasticsearch.action.admin.cluster.tasks.TransportPendingClusterTasksAction Maven / Gradle / Ivy
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* the Apache License, Version 2.0 (the "License"); you may
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.elasticsearch.action.admin.cluster.tasks;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.support.master.TransportMasterNodeOperationAction;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
/**
*/
public class TransportPendingClusterTasksAction extends TransportMasterNodeOperationAction {
private final ClusterService clusterService;
@Inject
public TransportPendingClusterTasksAction(Settings settings, TransportService transportService, ClusterService clusterService, ThreadPool threadPool) {
super(settings, transportService, clusterService, threadPool);
this.clusterService = clusterService;
}
@Override
protected String transportAction() {
return PendingClusterTasksAction.NAME;
}
@Override
protected String executor() {
// very lightweight operation in memory, no need to fork to a thread
return ThreadPool.Names.SAME;
}
@Override
protected PendingClusterTasksRequest newRequest() {
return new PendingClusterTasksRequest();
}
@Override
protected PendingClusterTasksResponse newResponse() {
return new PendingClusterTasksResponse();
}
@Override
protected void masterOperation(PendingClusterTasksRequest request, ClusterState state, ActionListener listener) throws ElasticsearchException {
listener.onResponse(new PendingClusterTasksResponse(clusterService.pendingTasks()));
}
}