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/*
* Licensed to Elasticsearch 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.search.type;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.ActionRunnable;
import org.elasticsearch.action.search.ReduceSearchPhaseException;
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.action.support.ActionFilters;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.metadata.IndexNameExpressionResolver;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.search.action.SearchServiceTransportAction;
import org.elasticsearch.search.controller.SearchPhaseController;
import org.elasticsearch.search.fetch.QueryFetchSearchResult;
import org.elasticsearch.search.internal.InternalSearchResponse;
import org.elasticsearch.search.internal.ShardSearchTransportRequest;
import org.elasticsearch.threadpool.ThreadPool;
import java.io.IOException;
import static org.elasticsearch.action.search.type.TransportSearchHelper.buildScrollId;
/**
*
*/
public class TransportSearchQueryAndFetchAction extends TransportSearchTypeAction {
@Inject
public TransportSearchQueryAndFetchAction(Settings settings, ThreadPool threadPool, ClusterService clusterService,
SearchServiceTransportAction searchService, SearchPhaseController searchPhaseController,
ActionFilters actionFilters, IndexNameExpressionResolver indexNameExpressionResolver) {
super(settings, threadPool, clusterService, searchService, searchPhaseController, actionFilters, indexNameExpressionResolver);
}
@Override
protected void doExecute(SearchRequest searchRequest, ActionListener<SearchResponse> listener) {
new AsyncAction(searchRequest, listener).start();
}
private class AsyncAction extends BaseAsyncAction<QueryFetchSearchResult> {
private AsyncAction(SearchRequest request, ActionListener<SearchResponse> listener) {
super(request, listener);
}
@Override
protected String firstPhaseName() {
return "query_fetch";
}
@Override
protected void sendExecuteFirstPhase(DiscoveryNode node, ShardSearchTransportRequest request, ActionListener<QueryFetchSearchResult> listener) {
searchService.sendExecuteFetch(node, request, listener);
}
@Override
protected void moveToSecondPhase() throws Exception {
threadPool.executor(ThreadPool.Names.SEARCH).execute(new ActionRunnable<SearchResponse>(listener) {
@Override
public void doRun() throws IOException {
boolean useScroll = request.scroll() != null;
sortedShardList = searchPhaseController.sortDocs(useScroll, firstResults);
final InternalSearchResponse internalResponse = searchPhaseController.merge(sortedShardList, firstResults,
firstResults);
String scrollId = null;
if (request.scroll() != null) {
scrollId = buildScrollId(request.searchType(), firstResults, null);
}
listener.onResponse(new SearchResponse(internalResponse, scrollId, expectedSuccessfulOps, successfulOps.get(), buildTookInMillis(), buildShardFailures()));
}
@Override
public void onFailure(Throwable t) {
ReduceSearchPhaseException failure = new ReduceSearchPhaseException("merge", "", t, buildShardFailures());
if (logger.isDebugEnabled()) {
logger.debug("failed to reduce search", failure);
}
super.onFailure(failure);
}
});
}
}
}
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