org.elasticsearch.action.termvector.TransportSingleShardTermVectorAction Maven / Gradle / Ivy
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package org.elasticsearch.action.termvector;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.action.RoutingMissingException;
import org.elasticsearch.action.support.single.shard.TransportShardSingleOperationAction;
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.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.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 {
private final IndicesService indicesService;
@Inject
public TransportSingleShardTermVectorAction(Settings settings, ClusterService clusterService, TransportService transportService,
IndicesService indicesService, ThreadPool threadPool) {
super(settings, threadPool, clusterService, transportService);
this.indicesService = indicesService;
}
@Override
protected String executor() {
// TODO: Is this the right pool to execute this on?
return ThreadPool.Names.GET;
}
@Override
protected String transportAction() {
return TermVectorAction.NAME;
}
@Override
protected ClusterBlockException checkGlobalBlock(ClusterState state, TermVectorRequest request) {
return state.blocks().globalBlockedException(ClusterBlockLevel.READ);
}
@Override
protected ClusterBlockException checkRequestBlock(ClusterState state, TermVectorRequest request) {
return state.blocks().indexBlockedException(ClusterBlockLevel.READ, request.index());
}
@Override
protected ShardIterator shards(ClusterState state, TermVectorRequest request) {
return clusterService.operationRouting().getShards(clusterService.state(), request.index(), request.type(), request.id(),
request.routing(), request.preference());
}
@Override
protected void resolveRequest(ClusterState state, TermVectorRequest request) {
// update the routing (request#index here is possibly an alias)
request.routing(state.metaData().resolveIndexRouting(request.routing(), request.index()));
request.index(state.metaData().concreteIndex(request.index()));
// Fail fast on the node that received the request.
if (request.routing() == null && state.getMetaData().routingRequired(request.index(), request.type())) {
throw new RoutingMissingException(request.index(), request.type(), request.id());
}
}
@Override
protected TermVectorResponse shardOperation(TermVectorRequest request, int shardId) throws ElasticsearchException {
IndexService indexService = indicesService.indexServiceSafe(request.index());
IndexShard indexShard = indexService.shardSafe(shardId);
return indexShard.termVectorService().getTermVector(request);
}
@Override
protected TermVectorRequest newRequest() {
return new TermVectorRequest();
}
@Override
protected TermVectorResponse newResponse() {
return new TermVectorResponse();
}
}