org.elasticsearch.action.support.nodes.TransportNodesOperationAction Maven / Gradle / Ivy
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Elasticsearch subproject :server
/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search licenses this
* file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.action.support.nodes;
import org.elasticsearch.ElasticSearchException;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.Actions;
import org.elasticsearch.action.FailedNodeException;
import org.elasticsearch.action.NoSuchNodeException;
import org.elasticsearch.action.support.BaseAction;
import org.elasticsearch.cluster.ClusterName;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.node.DiscoveryNodes;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.*;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicReferenceArray;
/**
* @author kimchy (shay.banon)
*/
public abstract class TransportNodesOperationAction extends BaseAction {
protected final ClusterName clusterName;
protected final ThreadPool threadPool;
protected final ClusterService clusterService;
protected final TransportService transportService;
@Inject public TransportNodesOperationAction(Settings settings, ClusterName clusterName, ThreadPool threadPool,
ClusterService clusterService, TransportService transportService) {
super(settings);
this.clusterName = clusterName;
this.threadPool = threadPool;
this.clusterService = clusterService;
this.transportService = transportService;
transportService.registerHandler(transportAction(), new TransportHandler());
transportService.registerHandler(transportNodeAction(), new NodeTransportHandler());
}
@Override protected void doExecute(Request request, ActionListener listener) {
new AsyncAction(request, listener).start();
}
protected abstract String transportAction();
protected abstract String transportNodeAction();
protected abstract Request newRequest();
protected abstract Response newResponse(Request request, AtomicReferenceArray nodesResponses);
protected abstract NodeRequest newNodeRequest();
protected abstract NodeRequest newNodeRequest(String nodeId, Request request);
protected abstract NodeResponse newNodeResponse();
protected abstract NodeResponse nodeOperation(NodeRequest request) throws ElasticSearchException;
protected abstract boolean accumulateExceptions();
protected String[] filterNodeIds(DiscoveryNodes nodes, String[] nodesIds) {
return nodesIds;
}
private class AsyncAction {
private final Request request;
private final String[] nodesIds;
private final ActionListener listener;
private final ClusterState clusterState;
private final AtomicReferenceArray