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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;
import org.apache.logging.log4j.Logger;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.ActionRunnable;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.routing.GroupShardsIterator;
import org.elasticsearch.search.fetch.QueryFetchSearchResult;
import org.elasticsearch.search.internal.AliasFilter;
import org.elasticsearch.search.internal.InternalSearchResponse;
import org.elasticsearch.search.internal.ShardSearchTransportRequest;
import java.io.IOException;
import java.util.Map;
import java.util.concurrent.Executor;
import java.util.function.Function;
class SearchQueryAndFetchAsyncAction extends AbstractSearchAsyncAction<QueryFetchSearchResult> {
private final SearchPhaseController searchPhaseController;
SearchQueryAndFetchAsyncAction(Logger logger, SearchTransportService searchTransportService,
Function<String, DiscoveryNode> nodeIdToDiscoveryNode,
Map<String, AliasFilter> aliasFilter, Map<String, Float> concreteIndexBoosts,
SearchPhaseController searchPhaseController, Executor executor,
SearchRequest request, ActionListener<SearchResponse> listener,
GroupShardsIterator shardsIts, long startTime, long clusterStateVersion,
SearchTask task) {
super(logger, searchTransportService, nodeIdToDiscoveryNode, aliasFilter, concreteIndexBoosts, executor,
request, listener, shardsIts, startTime, clusterStateVersion, task);
this.searchPhaseController = searchPhaseController;
}
@Override
protected String firstPhaseName() {
return "query_fetch";
}
@Override
protected void sendExecuteFirstPhase(DiscoveryNode node, ShardSearchTransportRequest request,
ActionListener<QueryFetchSearchResult> listener) {
searchTransportService.sendExecuteFetch(node, request, task, listener);
}
@Override
protected void moveToSecondPhase() throws Exception {
getExecutor().execute(new ActionRunnable<SearchResponse>(listener) {
@Override
public void doRun() throws IOException {
final boolean isScrollRequest = request.scroll() != null;
sortedShardDocs = searchPhaseController.sortDocs(isScrollRequest, firstResults);
final InternalSearchResponse internalResponse = searchPhaseController.merge(isScrollRequest, sortedShardDocs, firstResults,
firstResults);
String scrollId = isScrollRequest ? TransportSearchHelper.buildScrollId(request.searchType(), firstResults) : null;
listener.onResponse(new SearchResponse(internalResponse, scrollId, expectedSuccessfulOps, successfulOps.get(),
buildTookInMillis(), buildShardFailures()));
}
@Override
public void onFailure(Exception e) {
ReduceSearchPhaseException failure = new ReduceSearchPhaseException("merge", "", e, buildShardFailures());
if (logger.isDebugEnabled()) {
logger.debug("failed to reduce search", failure);
}
super.onFailure(failure);
}
});
}
}
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