org.elasticsearch.action.search.SearchQueryThenFetchAsyncAction Maven / Gradle / Ivy

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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.cluster.routing.GroupShardsIterator;
import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.search.SearchPhaseResult;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import org.elasticsearch.search.internal.AliasFilter;
import org.elasticsearch.transport.Transport;

import java.util.Map;
import java.util.Set;
import java.util.concurrent.Executor;
import java.util.function.BiFunction;

final class SearchQueryThenFetchAsyncAction extends AbstractSearchAsyncAction {

    private final SearchPhaseController searchPhaseController;
    private final SearchProgressListener progressListener;

    SearchQueryThenFetchAsyncAction(final Logger logger, final SearchTransportService searchTransportService,
            final BiFunction nodeIdToConnection, final Map aliasFilter,
            final Map concreteIndexBoosts, final Map> indexRoutings,
            final SearchPhaseController searchPhaseController, final Executor executor,
            final SearchRequest request, final ActionListener listener,
            final GroupShardsIterator shardsIts, final TransportSearchAction.SearchTimeProvider timeProvider,
            long clusterStateVersion, SearchTask task, SearchResponse.Clusters clusters) {
        super("query", logger, searchTransportService, nodeIdToConnection, aliasFilter, concreteIndexBoosts, indexRoutings,
                executor, request, listener, shardsIts, timeProvider, clusterStateVersion, task,
                searchPhaseController.newSearchPhaseResults(task.getProgressListener(), request, shardsIts.size()),
                request.getMaxConcurrentShardRequests(), clusters);
        this.searchPhaseController = searchPhaseController;
        this.progressListener = task.getProgressListener();
        final SearchProgressListener progressListener = task.getProgressListener();
        final SearchSourceBuilder sourceBuilder = request.source();
        progressListener.notifyListShards(progressListener.searchShards(this.shardsIts),
            sourceBuilder == null || sourceBuilder.size() != 0);
    }

    protected void executePhaseOnShard(final SearchShardIterator shardIt, final ShardRouting shard,
                                       final SearchActionListener listener) {
        getSearchTransport().sendExecuteQuery(getConnection(shardIt.getClusterAlias(), shard.currentNodeId()),
            buildShardSearchRequest(shardIt), getTask(), listener);
    }

    @Override
    protected void onShardGroupFailure(int shardIndex, Exception exc) {
        progressListener.notifyQueryFailure(shardIndex, exc);
    }

    @Override
    protected SearchPhase getNextPhase(final SearchPhaseResults results, final SearchPhaseContext context) {
        return new FetchSearchPhase(results, searchPhaseController, context);
    }
}