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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
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package org.elasticsearch.action.search;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.ActionRunnable;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.metadata.IndexNameExpressionResolver;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.common.logging.ESLogger;
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;
class SearchQueryAndFetchAsyncAction extends AbstractSearchAsyncAction<QueryFetchSearchResult> {
SearchQueryAndFetchAsyncAction(ESLogger logger, SearchServiceTransportAction searchService,
ClusterService clusterService, IndexNameExpressionResolver indexNameExpressionResolver,
SearchPhaseController searchPhaseController, ThreadPool threadPool,
SearchRequest request, ActionListener<SearchResponse> listener) {
super(logger, searchService, clusterService, indexNameExpressionResolver, searchPhaseController, threadPool, 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, request);
String scrollId = null;
if (request.scroll() != null) {
scrollId = TransportSearchHelper.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);
}
});
}
}