/*
* Licensed to ElasticSearch and Shay Banon 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.action.admin.indices.create;
import org.elasticsearch.ElasticSearchException;
import org.elasticsearch.action.support.master.TransportMasterNodeOperationAction;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.block.ClusterBlockException;
import org.elasticsearch.cluster.block.ClusterBlockLevel;
import org.elasticsearch.cluster.metadata.MetaDataCreateIndexService;
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.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicReference;
/**
* Create index action.
*/
public class TransportCreateIndexAction extends TransportMasterNodeOperationAction<CreateIndexRequest, CreateIndexResponse> {
private final MetaDataCreateIndexService createIndexService;
@Inject
public TransportCreateIndexAction(Settings settings, TransportService transportService, ClusterService clusterService,
ThreadPool threadPool, MetaDataCreateIndexService createIndexService) {
super(settings, transportService, clusterService, threadPool);
this.createIndexService = createIndexService;
}
@Override
protected String executor() {
return ThreadPool.Names.MANAGEMENT;
}
@Override
protected String transportAction() {
return CreateIndexAction.NAME;
}
@Override
protected CreateIndexRequest newRequest() {
return new CreateIndexRequest();
}
@Override
protected CreateIndexResponse newResponse() {
return new CreateIndexResponse();
}
@Override
protected ClusterBlockException checkBlock(CreateIndexRequest request, ClusterState state) {
return state.blocks().indexBlockedException(ClusterBlockLevel.METADATA, request.index());
}
@Override
protected CreateIndexResponse masterOperation(CreateIndexRequest request, ClusterState state) throws ElasticSearchException {
String cause = request.cause();
if (cause.length() == 0) {
cause = "api";
}
final AtomicReference<CreateIndexResponse> responseRef = new AtomicReference<CreateIndexResponse>();
final AtomicReference<Throwable> failureRef = new AtomicReference<Throwable>();
final CountDownLatch latch = new CountDownLatch(1);
createIndexService.createIndex(new MetaDataCreateIndexService.Request(cause, request.index()).settings(request.settings())
.mappings(request.mappings())
.customs(request.customs())
.timeout(request.timeout()),
new MetaDataCreateIndexService.Listener() {
@Override
public void onResponse(MetaDataCreateIndexService.Response response) {
responseRef.set(new CreateIndexResponse(response.acknowledged()));
latch.countDown();
}
@Override
public void onFailure(Throwable t) {
failureRef.set(t);
latch.countDown();
}
});
try {
latch.await();
} catch (InterruptedException e) {
failureRef.set(e);
}
if (failureRef.get() != null) {
if (failureRef.get() instanceof ElasticSearchException) {
throw (ElasticSearchException) failureRef.get();
} else {
throw new ElasticSearchException(failureRef.get().getMessage(), failureRef.get());
}
}
return responseRef.get();
}
}