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* 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
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package org.elasticsearch.action.termvector;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.action.RoutingMissingException;
import org.elasticsearch.action.support.ActionFilters;
import org.elasticsearch.action.support.single.shard.TransportShardSingleOperationAction;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.routing.ShardIterator;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.service.IndexService;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.index.shard.service.IndexShard;
import org.elasticsearch.indices.IndicesService;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
/**
* Performs the get operation.
*/
public class TransportSingleShardTermVectorAction extends TransportShardSingleOperationAction<TermVectorRequest, TermVectorResponse> {
private final IndicesService indicesService;
@Inject
public TransportSingleShardTermVectorAction(Settings settings, ClusterService clusterService, TransportService transportService,
IndicesService indicesService, ThreadPool threadPool, ActionFilters actionFilters) {
super(settings, TermVectorAction.NAME, threadPool, clusterService, transportService, actionFilters);
this.indicesService = indicesService;
}
@Override
protected String executor() {
// TODO: Is this the right pool to execute this on?
return ThreadPool.Names.GET;
}
@Override
protected ShardIterator shards(ClusterState state, InternalRequest request) {
return clusterService.operationRouting().getShards(state, request.concreteIndex(), request.request().type(), request.request().id(),
request.request().routing(), request.request().preference());
}
@Override
protected boolean resolveIndex() {
return true;
}
@Override
protected void resolveRequest(ClusterState state, InternalRequest request) {
// update the routing (request#index here is possibly an alias)
request.request().routing(state.metaData().resolveIndexRouting(request.request().routing(), request.request().index()));
// Fail fast on the node that received the request.
if (request.request().routing() == null && state.getMetaData().routingRequired(request.concreteIndex(), request.request().type())) {
throw new RoutingMissingException(request.concreteIndex(), request.request().type(), request.request().id());
}
}
@Override
protected TermVectorResponse shardOperation(TermVectorRequest request, ShardId shardId) throws ElasticsearchException {
IndexService indexService = indicesService.indexServiceSafe(shardId.getIndex());
IndexShard indexShard = indexService.shardSafe(shardId.id());
return indexShard.termVectorService().getTermVector(request, shardId.getIndex());
}
@Override
protected TermVectorRequest newRequest() {
return new TermVectorRequest();
}
@Override
protected TermVectorResponse newResponse() {
return new TermVectorResponse();
}
}