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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
* 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;
import org.elasticsearch.ElasticsearchIllegalStateException;
import org.elasticsearch.action.support.ActionFilters;
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.routing.GroupShardsIterator;
import org.elasticsearch.cluster.routing.ShardIterator;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.VersionType;
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;
/**
*
*/
public class TransportShardDeleteAction extends TransportShardReplicationOperationAction<ShardDeleteRequest, ShardDeleteRequest, ShardDeleteResponse> {
private static final String ACTION_NAME = DeleteAction.NAME + "[s]";
@Inject
public TransportShardDeleteAction(Settings settings, TransportService transportService,
ClusterService clusterService, IndicesService indicesService, ThreadPool threadPool,
ShardStateAction shardStateAction, ActionFilters actionFilters) {
super(settings, ACTION_NAME, transportService, clusterService, indicesService, threadPool, shardStateAction, actionFilters);
}
@Override
protected boolean checkWriteConsistency() {
return true;
}
@Override
protected ShardDeleteRequest newRequestInstance() {
return new ShardDeleteRequest();
}
@Override
protected ShardDeleteRequest newReplicaRequestInstance() {
return new ShardDeleteRequest();
}
@Override
protected ShardDeleteResponse newResponseInstance() {
return new ShardDeleteResponse();
}
@Override
protected String executor() {
return ThreadPool.Names.INDEX;
}
@Override
protected boolean resolveIndex() {
return false;
}
@Override
protected PrimaryResponse<ShardDeleteResponse, ShardDeleteRequest> shardOperationOnPrimary(ClusterState clusterState, PrimaryOperationRequest shardRequest) {
ShardDeleteRequest request = shardRequest.request;
IndexShard indexShard = indicesService.indexServiceSafe(shardRequest.shardId.getIndex()).shardSafe(shardRequest.shardId.id());
Engine.Delete delete = indexShard.prepareDelete(request.type(), request.id(), request.version(), VersionType.INTERNAL, 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("refresh_flag_delete").force(false));
} catch (Exception e) {
// ignore
}
}
ShardDeleteResponse response = new ShardDeleteResponse(delete.version(), delete.found());
return new PrimaryResponse<>(shardRequest.request, response, null);
}
@Override
protected void shardOperationOnReplica(ReplicaOperationRequest shardRequest) {
ShardDeleteRequest request = shardRequest.request;
IndexShard indexShard = indicesService.indexServiceSafe(shardRequest.shardId.getIndex()).shardSafe(shardRequest.shardId.id());
Engine.Delete delete = indexShard.prepareDelete(request.type(), request.id(), request.version(), VersionType.INTERNAL, Engine.Operation.Origin.REPLICA);
// IndexDeleteAction doesn't support version type at the moment. Hard coded for the INTERNAL version
delete = new Engine.Delete(delete, VersionType.INTERNAL.versionTypeForReplicationAndRecovery());
assert delete.versionType().validateVersionForWrites(delete.version());
indexShard.delete(delete);
if (request.refresh()) {
try {
indexShard.refresh(new Engine.Refresh("refresh_flag_delete").force(false));
} catch (Exception e) {
// ignore
}
}
}
@Override
protected ShardIterator shards(ClusterState clusterState, InternalRequest request) {
GroupShardsIterator group = clusterService.operationRouting().broadcastDeleteShards(clusterService.state(), request.concreteIndex());
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() + "]");
}
}