/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.delete.index;
import org.elasticsearch.ElasticSearchIllegalStateException;
import org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.action.shard.ShardStateAction;
import org.elasticsearch.cluster.block.ClusterBlockLevel;
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.index.engine.Engine;
import org.elasticsearch.index.shard.service.IndexShard;
import org.elasticsearch.indices.IndicesService;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
/**
* @author kimchy (Shay Banon)
*/
public class TransportShardDeleteAction extends TransportShardReplicationOperationAction<ShardDeleteRequest, ShardDeleteResponse> {
@Inject public TransportShardDeleteAction(Settings settings, TransportService transportService,
ClusterService clusterService, IndicesService indicesService, ThreadPool threadPool,
ShardStateAction shardStateAction) {
super(settings, transportService, clusterService, indicesService, threadPool, shardStateAction);
}
@Override protected boolean checkWriteConsistency() {
return true;
}
@Override protected ShardDeleteRequest newRequestInstance() {
return new ShardDeleteRequest();
}
@Override protected ShardDeleteResponse newResponseInstance() {
return new ShardDeleteResponse();
}
@Override protected String transportAction() {
return "indices/index/b_shard/delete";
}
@Override protected String executor() {
return ThreadPool.Names.INDEX;
}
@Override protected void checkBlock(ShardDeleteRequest request, ClusterState state) {
state.blocks().indexBlockedRaiseException(ClusterBlockLevel.WRITE, request.index());
}
@Override protected PrimaryResponse<ShardDeleteResponse> shardOperationOnPrimary(ClusterState clusterState, ShardOperationRequest shardRequest) {
ShardDeleteRequest request = shardRequest.request;
IndexShard indexShard = indexShard(shardRequest);
Engine.Delete delete = indexShard.prepareDelete(request.type(), request.id(), request.version())
.origin(Engine.Operation.Origin.PRIMARY);
indexShard.delete(delete);
// update the version to happen on the replicas
request.version(delete.version());
if (request.refresh()) {
try {
indexShard.refresh(new Engine.Refresh(false));
} catch (Exception e) {
// ignore
}
}
ShardDeleteResponse response = new ShardDeleteResponse(delete.version(), delete.notFound());
return new PrimaryResponse<ShardDeleteResponse>(response, null);
}
@Override protected void shardOperationOnReplica(ShardOperationRequest shardRequest) {
ShardDeleteRequest request = shardRequest.request;
IndexShard indexShard = indexShard(shardRequest);
Engine.Delete delete = indexShard.prepareDelete(request.type(), request.id(), request.version())
.origin(Engine.Operation.Origin.REPLICA);
indexShard.delete(delete);
if (request.refresh()) {
try {
indexShard.refresh(new Engine.Refresh(false));
} catch (Exception e) {
// ignore
}
}
}
@Override protected ShardIterator shards(ClusterState clusterState, ShardDeleteRequest request) {
GroupShardsIterator group = clusterService.operationRouting().broadcastDeleteShards(clusterService.state(), request.index());
for (ShardIterator shardIt : group) {
if (shardIt.shardId().id() == request.shardId()) {
return shardIt;
}
}
throw new ElasticSearchIllegalStateException("No shards iterator found for shard [" + request.shardId() + "]");
}
}