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InternalTransportClusterAdminClient.java
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InternalTransportClusterAdminClient.java
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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.client.transport.support;
import com.google.common.collect.ImmutableMap;
import org.elasticsearch.action.*;
import org.elasticsearch.action.admin.cluster.ClusterAction;
import org.elasticsearch.action.support.PlainActionFuture;
import org.elasticsearch.client.ClusterAdminClient;
import org.elasticsearch.client.support.AbstractClusterAdminClient;
import org.elasticsearch.client.transport.TransportClientNodesService;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.common.collect.MapBuilder;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
import java.util.Map;
/**
*
*/
@SuppressWarnings("unchecked")
public class InternalTransportClusterAdminClient extends AbstractClusterAdminClient implements ClusterAdminClient {
private final TransportClientNodesService nodesService;
private final ThreadPool threadPool;
private final ImmutableMap<ClusterAction, TransportActionNodeProxy> actions;
@Inject
public InternalTransportClusterAdminClient(Settings settings, TransportClientNodesService nodesService, ThreadPool threadPool, TransportService transportService,
Map<String, GenericAction> actions) {
this.nodesService = nodesService;
this.threadPool = threadPool;
MapBuilder<ClusterAction, TransportActionNodeProxy> actionsBuilder = new MapBuilder<>();
for (GenericAction action : actions.values()) {
if (action instanceof ClusterAction) {
actionsBuilder.put((ClusterAction) action, new TransportActionNodeProxy(settings, action, transportService));
}
}
this.actions = actionsBuilder.immutableMap();
}
@Override
public ThreadPool threadPool() {
return this.threadPool;
}
@SuppressWarnings("unchecked")
@Override
public <Request extends ActionRequest, Response extends ActionResponse, RequestBuilder extends ActionRequestBuilder<Request, Response, RequestBuilder, ClusterAdminClient>> ActionFuture<Response> execute(final Action<Request, Response, RequestBuilder, ClusterAdminClient> action, final Request request) {
PlainActionFuture<Response> actionFuture = PlainActionFuture.newFuture();
execute(action, request, actionFuture);
return actionFuture;
}
@SuppressWarnings("unchecked")
@Override
public <Request extends ActionRequest, Response extends ActionResponse, RequestBuilder extends ActionRequestBuilder<Request, Response, RequestBuilder, ClusterAdminClient>> void execute(final Action<Request, Response, RequestBuilder, ClusterAdminClient> action, final Request request, final ActionListener<Response> listener) {
final TransportActionNodeProxy<Request, Response> proxy = actions.get(action);
nodesService.execute(new TransportClientNodesService.NodeListenerCallback<Response>() {
@Override
public void doWithNode(DiscoveryNode node, ActionListener<Response> listener) {
proxy.execute(node, request, listener);
}
}, listener);
}
}