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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.elasticsearch.action.ActionListener;
import org.elasticsearch.action.support.ActionFilters;
import org.elasticsearch.action.support.HandledTransportAction;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.metadata.IndexNameExpressionResolver;
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.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
import static org.elasticsearch.action.search.ParsedScrollId.QUERY_AND_FETCH_TYPE;
import static org.elasticsearch.action.search.ParsedScrollId.QUERY_THEN_FETCH_TYPE;
import static org.elasticsearch.action.search.ParsedScrollId.SCAN;
import static org.elasticsearch.action.search.TransportSearchHelper.parseScrollId;
/**
*
*/
public class TransportSearchScrollAction extends HandledTransportAction<SearchScrollRequest, SearchResponse> {
private final ClusterService clusterService;
private final SearchServiceTransportAction searchService;
private final SearchPhaseController searchPhaseController;
@Inject
public TransportSearchScrollAction(Settings settings, ThreadPool threadPool, TransportService transportService,
ClusterService clusterService, SearchServiceTransportAction searchService,
SearchPhaseController searchPhaseController,
ActionFilters actionFilters, IndexNameExpressionResolver indexNameExpressionResolver) {
super(settings, SearchScrollAction.NAME, threadPool, transportService, actionFilters, indexNameExpressionResolver,
SearchScrollRequest.class);
this.clusterService = clusterService;
this.searchService = searchService;
this.searchPhaseController = searchPhaseController;
}
@Override
protected void doExecute(SearchScrollRequest request, ActionListener<SearchResponse> listener) {
try {
ParsedScrollId scrollId = parseScrollId(request.scrollId());
AbstractAsyncAction action;
switch (scrollId.getType()) {
case QUERY_THEN_FETCH_TYPE:
action = new SearchScrollQueryThenFetchAsyncAction(logger, clusterService, searchService,
searchPhaseController, request, scrollId, listener);
break;
case QUERY_AND_FETCH_TYPE:
action = new SearchScrollQueryAndFetchAsyncAction(logger, clusterService, searchService,
searchPhaseController, request, scrollId, listener);
break;
case SCAN:
action = new SearchScrollScanAsyncAction(logger, clusterService, searchService, searchPhaseController,
request, scrollId, listener);
break;
default:
throw new IllegalArgumentException("Scroll id type [" + scrollId.getType() + "] unrecognized");
}
action.start();
} catch (Throwable e) {
listener.onFailure(e);
}
}
}