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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
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* 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
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package org.elasticsearch.action.search.type;
import com.google.common.collect.ImmutableMap;
import org.elasticsearch.action.ActionListener;
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.node.DiscoveryNode;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.util.concurrent.AtomicArray;
import org.elasticsearch.search.action.SearchServiceListener;
import org.elasticsearch.search.action.SearchServiceTransportAction;
import org.elasticsearch.search.controller.SearchPhaseController;
import org.elasticsearch.search.fetch.FetchSearchResultProvider;
import org.elasticsearch.search.internal.InternalSearchResponse;
import org.elasticsearch.search.internal.ShardSearchTransportRequest;
import org.elasticsearch.search.query.QuerySearchResult;
import org.elasticsearch.threadpool.ThreadPool;
import static org.elasticsearch.action.search.type.TransportSearchHelper.buildScrollId;
public class TransportSearchScanAction extends TransportSearchTypeAction {
@Inject
public TransportSearchScanAction(Settings settings, ThreadPool threadPool, ClusterService clusterService,
SearchServiceTransportAction searchService, SearchPhaseController searchPhaseController, ActionFilters actionFilters) {
super(settings, threadPool, clusterService, searchService, searchPhaseController, actionFilters);
}
@Override
protected void doExecute(SearchRequest searchRequest, ActionListener<SearchResponse> listener) {
new AsyncAction(searchRequest, listener).start();
}
private class AsyncAction extends BaseAsyncAction<QuerySearchResult> {
private AsyncAction(SearchRequest request, ActionListener<SearchResponse> listener) {
super(request, listener);
}
@Override
protected String firstPhaseName() {
return "init_scan";
}
@Override
protected void sendExecuteFirstPhase(DiscoveryNode node, ShardSearchTransportRequest request, SearchServiceListener<QuerySearchResult> listener) {
searchService.sendExecuteScan(node, request, listener);
}
@Override
protected void moveToSecondPhase() throws Exception {
final InternalSearchResponse internalResponse = searchPhaseController.merge(SearchPhaseController.EMPTY_DOCS, firstResults, (AtomicArray<? extends FetchSearchResultProvider>) AtomicArray.empty());
String scrollId = null;
if (request.scroll() != null) {
scrollId = buildScrollId(request.searchType(), firstResults, ImmutableMap.of("total_hits", Long.toString(internalResponse.hits().totalHits())));
}
listener.onResponse(new SearchResponse(internalResponse, scrollId, expectedSuccessfulOps, successfulOps.get(), buildTookInMillis(), buildShardFailures()));
}
}
}