/*
* 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.cluster.action.index;
import org.elasticsearch.ElasticSearchException;
import org.elasticsearch.action.ActionRequestValidationException;
import org.elasticsearch.action.ActionResponse;
import org.elasticsearch.action.support.master.MasterNodeOperationRequest;
import org.elasticsearch.action.support.master.TransportMasterNodeOperationAction;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.metadata.MetaDataMappingService;
import org.elasticsearch.common.compress.CompressedString;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
import java.io.IOException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicReference;
/**
* Called by shards in the cluster when their mapping was dynamically updated and it needs to be updated
* in the cluster state meta data (and broadcast to all members).
*
* @author kimchy (shay.banon)
*/
public class MappingUpdatedAction extends TransportMasterNodeOperationAction<MappingUpdatedAction.MappingUpdatedRequest, MappingUpdatedAction.MappingUpdatedResponse> {
private final MetaDataMappingService metaDataMappingService;
@Inject public MappingUpdatedAction(Settings settings, TransportService transportService, ClusterService clusterService, ThreadPool threadPool,
MetaDataMappingService metaDataMappingService) {
super(settings, transportService, clusterService, threadPool);
this.metaDataMappingService = metaDataMappingService;
}
@Override protected String transportAction() {
return "cluster/mappingUpdated";
}
@Override protected String executor() {
return ThreadPool.Names.CACHED;
}
@Override protected MappingUpdatedRequest newRequest() {
return new MappingUpdatedRequest();
}
@Override protected MappingUpdatedResponse newResponse() {
return new MappingUpdatedResponse();
}
@Override protected MappingUpdatedResponse masterOperation(MappingUpdatedRequest request, ClusterState state) throws ElasticSearchException {
final CountDownLatch latch = new CountDownLatch(1);
final AtomicReference<Throwable> failure = new AtomicReference<Throwable>();
try {
metaDataMappingService.updateMapping(request.index(), request.type(), request.mappingSource(), new MetaDataMappingService.Listener() {
@Override public void onResponse(MetaDataMappingService.Response response) {
latch.countDown();
}
@Override public void onFailure(Throwable t) {
failure.set(t);
latch.countDown();
}
});
} catch (Exception e) {
failure.set(e);
}
if (failure.get() != null) {
if (failure.get() instanceof ElasticSearchException) {
throw (ElasticSearchException) failure.get();
} else {
throw new ElasticSearchException("failed to update mapping", failure.get());
}
}
return new MappingUpdatedResponse();
}
public static class MappingUpdatedResponse implements ActionResponse {
@Override public void readFrom(StreamInput in) throws IOException {
}
@Override public void writeTo(StreamOutput out) throws IOException {
}
}
public static class MappingUpdatedRequest extends MasterNodeOperationRequest {
private String index;
private String type;
private CompressedString mappingSource;
MappingUpdatedRequest() {
}
public MappingUpdatedRequest(String index, String type, CompressedString mappingSource) {
this.index = index;
this.type = type;
this.mappingSource = mappingSource;
}
public String index() {
return index;
}
public String type() {
return type;
}
public CompressedString mappingSource() {
return mappingSource;
}
@Override public ActionRequestValidationException validate() {
return null;
}
@Override public void readFrom(StreamInput in) throws IOException {
super.readFrom(in);
index = in.readUTF();
type = in.readUTF();
mappingSource = CompressedString.readCompressedString(in);
}
@Override public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeUTF(index);
out.writeUTF(type);
mappingSource.writeTo(out);
}
}
}