/*
* 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.action.search.type;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.search.SearchShardTarget;
import org.elasticsearch.search.action.SearchServiceListener;
import org.elasticsearch.search.action.SearchServiceTransportAction;
import org.elasticsearch.search.controller.SearchPhaseController;
import org.elasticsearch.search.fetch.QueryFetchSearchResult;
import org.elasticsearch.search.internal.InternalSearchRequest;
import org.elasticsearch.search.internal.InternalSearchResponse;
import org.elasticsearch.threadpool.ThreadPool;
import java.util.Map;
import static org.elasticsearch.action.search.type.TransportSearchHelper.*;
/**
* @author kimchy (shay.banon)
*/
public class TransportSearchQueryAndFetchAction extends TransportSearchTypeAction {
@Inject public TransportSearchQueryAndFetchAction(Settings settings, ThreadPool threadPool, ClusterService clusterService,
TransportSearchCache transportSearchCache, SearchServiceTransportAction searchService, SearchPhaseController searchPhaseController) {
super(settings, threadPool, clusterService, transportSearchCache, searchService, searchPhaseController);
}
@Override protected void doExecute(SearchRequest searchRequest, ActionListener<SearchResponse> listener) {
new AsyncAction(searchRequest, listener).start();
}
private class AsyncAction extends BaseAsyncAction<QueryFetchSearchResult> {
private final Map<SearchShardTarget, QueryFetchSearchResult> queryFetchResults = searchCache.obtainQueryFetchResults();
private AsyncAction(SearchRequest request, ActionListener<SearchResponse> listener) {
super(request, listener);
}
@Override protected String firstPhaseName() {
return "query_fetch";
}
@Override protected void sendExecuteFirstPhase(DiscoveryNode node, InternalSearchRequest request, SearchServiceListener<QueryFetchSearchResult> listener) {
searchService.sendExecuteFetch(node, request, listener);
}
@Override protected void processFirstPhaseResult(ShardRouting shard, QueryFetchSearchResult result) {
queryFetchResults.put(result.shardTarget(), result);
}
@Override protected void moveToSecondPhase() throws Exception {
sortedShardList = searchPhaseController.sortDocs(queryFetchResults.values());
final InternalSearchResponse internalResponse = searchPhaseController.merge(sortedShardList, queryFetchResults, queryFetchResults);
String scrollId = null;
if (request.scroll() != null) {
scrollId = buildScrollId(request.searchType(), queryFetchResults.values(), null);
}
listener.onResponse(new SearchResponse(internalResponse, scrollId, expectedSuccessfulOps, successulOps.get(), buildTookInMillis(), buildShardFailures()));
searchCache.releaseQueryFetchResults(queryFetchResults);
}
}
}