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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.deletebyquery;
import com.google.common.collect.ImmutableMap;
import org.apache.lucene.search.Filter;
import org.elasticsearch.ElasticsearchIllegalStateException;
import org.elasticsearch.action.support.ActionFilters;
import org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction;
import org.elasticsearch.cache.recycler.PageCacheRecycler;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.action.shard.ShardStateAction;
import org.elasticsearch.cluster.routing.GroupShardsIterator;
import org.elasticsearch.cluster.routing.ShardIterator;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.util.BigArrays;
import org.elasticsearch.index.engine.Engine;
import org.elasticsearch.index.query.ParsedQuery;
import org.elasticsearch.index.service.IndexService;
import org.elasticsearch.index.shard.service.IndexShard;
import org.elasticsearch.indices.IndicesService;
import org.elasticsearch.script.ScriptService;
import org.elasticsearch.search.internal.DefaultSearchContext;
import org.elasticsearch.search.internal.SearchContext;
import org.elasticsearch.search.internal.ShardSearchLocalRequest;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
/**
*
*/
public class TransportShardDeleteByQueryAction extends TransportShardReplicationOperationAction<ShardDeleteByQueryRequest, ShardDeleteByQueryRequest, ShardDeleteByQueryResponse> {
public final static String DELETE_BY_QUERY_API = "delete_by_query";
private static final String ACTION_NAME = DeleteByQueryAction.NAME + "[s]";
private final ScriptService scriptService;
private final PageCacheRecycler pageCacheRecycler;
private final BigArrays bigArrays;
@Inject
public TransportShardDeleteByQueryAction(Settings settings, TransportService transportService,
ClusterService clusterService, IndicesService indicesService, ThreadPool threadPool,
ShardStateAction shardStateAction, ScriptService scriptService,
PageCacheRecycler pageCacheRecycler, BigArrays bigArrays, ActionFilters actionFilters) {
super(settings, ACTION_NAME, transportService, clusterService, indicesService, threadPool, shardStateAction, actionFilters);
this.scriptService = scriptService;
this.pageCacheRecycler = pageCacheRecycler;
this.bigArrays = bigArrays;
}
@Override
protected boolean checkWriteConsistency() {
return true;
}
@Override
protected String executor() {
return ThreadPool.Names.INDEX;
}
@Override
protected ShardDeleteByQueryRequest newRequestInstance() {
return new ShardDeleteByQueryRequest();
}
@Override
protected ShardDeleteByQueryRequest newReplicaRequestInstance() {
return new ShardDeleteByQueryRequest();
}
@Override
protected ShardDeleteByQueryResponse newResponseInstance() {
return new ShardDeleteByQueryResponse();
}
@Override
protected boolean resolveIndex() {
return false;
}
@Override
protected PrimaryResponse<ShardDeleteByQueryResponse, ShardDeleteByQueryRequest> shardOperationOnPrimary(ClusterState clusterState, PrimaryOperationRequest shardRequest) {
ShardDeleteByQueryRequest request = shardRequest.request;
IndexService indexService = indicesService.indexServiceSafe(shardRequest.shardId.getIndex());
IndexShard indexShard = indexService.shardSafe(shardRequest.shardId.id());
SearchContext.setCurrent(new DefaultSearchContext(0, new ShardSearchLocalRequest(request.types(), request.nowInMillis()), null,
indexShard.acquireSearcher(DELETE_BY_QUERY_API), indexService, indexShard, scriptService,
pageCacheRecycler, bigArrays, threadPool.estimatedTimeInMillisCounter()));
try {
Engine.DeleteByQuery deleteByQuery = indexShard.prepareDeleteByQuery(request.source(), request.filteringAliases(), Engine.Operation.Origin.PRIMARY, request.types());
SearchContext.current().parsedQuery(new ParsedQuery(deleteByQuery.query(), ImmutableMap.<String, Filter>of()));
indexShard.deleteByQuery(deleteByQuery);
} finally {
try (SearchContext searchContext = SearchContext.current()) {
SearchContext.removeCurrent();
}
}
return new PrimaryResponse<>(shardRequest.request, new ShardDeleteByQueryResponse(), null);
}
@Override
protected void shardOperationOnReplica(ReplicaOperationRequest shardRequest) {
ShardDeleteByQueryRequest request = shardRequest.request;
IndexService indexService = indicesService.indexServiceSafe(shardRequest.shardId.getIndex());
IndexShard indexShard = indexService.shardSafe(shardRequest.shardId.id());
SearchContext.setCurrent(new DefaultSearchContext(0, new ShardSearchLocalRequest(request.types(), request.nowInMillis()), null,
indexShard.acquireSearcher(DELETE_BY_QUERY_API, IndexShard.Mode.WRITE), indexService, indexShard, scriptService,
pageCacheRecycler, bigArrays, threadPool.estimatedTimeInMillisCounter()));
try {
Engine.DeleteByQuery deleteByQuery = indexShard.prepareDeleteByQuery(request.source(), request.filteringAliases(), Engine.Operation.Origin.REPLICA, request.types());
SearchContext.current().parsedQuery(new ParsedQuery(deleteByQuery.query(), ImmutableMap.<String, Filter>of()));
indexShard.deleteByQuery(deleteByQuery);
} finally {
try (SearchContext searchContext = SearchContext.current()) {
SearchContext.removeCurrent();
}
}
}
@Override
protected ShardIterator shards(ClusterState clusterState, InternalRequest request) {
GroupShardsIterator group = clusterService.operationRouting().deleteByQueryShards(clusterService.state(), request.concreteIndex(), request.request().routing());
for (ShardIterator shardIt : group) {
if (shardIt.shardId().id() == request.request().shardId()) {
return shardIt;
}
}
throw new ElasticsearchIllegalStateException("No shards iterator found for shard [" + request.request().shardId() + "]");
}
}