forked from elastic/elasticsearch
/
TransportDeleteAction.java
178 lines (157 loc) · 8.42 KB
/
TransportDeleteAction.java
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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.delete;
import org.elasticsearch.ExceptionsHelper;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.RoutingMissingException;
import org.elasticsearch.action.admin.indices.create.CreateIndexRequest;
import org.elasticsearch.action.admin.indices.create.CreateIndexResponse;
import org.elasticsearch.action.admin.indices.create.TransportCreateIndexAction;
import org.elasticsearch.action.support.ActionFilters;
import org.elasticsearch.action.support.AutoCreateIndex;
import org.elasticsearch.action.support.replication.TransportReplicationAction;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.action.index.MappingUpdatedAction;
import org.elasticsearch.cluster.action.shard.ShardStateAction;
import org.elasticsearch.cluster.metadata.MappingMetaData;
import org.elasticsearch.cluster.routing.ShardIterator;
import org.elasticsearch.common.collect.Tuple;
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.IndexShard;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.index.translog.Translog;
import org.elasticsearch.indices.IndexAlreadyExistsException;
import org.elasticsearch.indices.IndicesService;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
/**
* Performs the delete operation.
*/
public class TransportDeleteAction extends TransportReplicationAction<DeleteRequest, DeleteRequest, DeleteResponse> {
private final AutoCreateIndex autoCreateIndex;
private final TransportCreateIndexAction createIndexAction;
@Inject
public TransportDeleteAction(Settings settings, TransportService transportService, ClusterService clusterService,
IndicesService indicesService, ThreadPool threadPool, ShardStateAction shardStateAction,
TransportCreateIndexAction createIndexAction, ActionFilters actionFilters,
MappingUpdatedAction mappingUpdatedAction) {
super(settings, DeleteAction.NAME, transportService, clusterService, indicesService, threadPool, shardStateAction,
mappingUpdatedAction, actionFilters,
DeleteRequest.class, DeleteRequest.class, ThreadPool.Names.INDEX);
this.createIndexAction = createIndexAction;
this.autoCreateIndex = new AutoCreateIndex(settings);
}
@Override
protected void doExecute(final DeleteRequest request, final ActionListener<DeleteResponse> listener) {
if (autoCreateIndex.shouldAutoCreate(request.index(), clusterService.state())) {
createIndexAction.execute(new CreateIndexRequest(request).index(request.index()).cause("auto(delete api)").masterNodeTimeout(request.timeout()), new ActionListener<CreateIndexResponse>() {
@Override
public void onResponse(CreateIndexResponse result) {
innerExecute(request, listener);
}
@Override
public void onFailure(Throwable e) {
if (ExceptionsHelper.unwrapCause(e) instanceof IndexAlreadyExistsException) {
// we have the index, do it
innerExecute(request, listener);
} else {
listener.onFailure(e);
}
}
});
} else {
innerExecute(request, listener);
}
}
@Override
protected boolean resolveIndex() {
return true;
}
@Override
protected void resolveRequest(final ClusterState state, final InternalRequest request, final ActionListener<DeleteResponse> listener) {
request.request().routing(state.metaData().resolveIndexRouting(request.request().routing(), request.request().index()));
if (state.metaData().hasIndex(request.concreteIndex())) {
// check if routing is required, if so, do a broadcast delete
MappingMetaData mappingMd = state.metaData().index(request.concreteIndex()).mappingOrDefault(request.request().type());
if (mappingMd != null && mappingMd.routing().required()) {
if (request.request().routing() == null) {
if (request.request().versionType() != VersionType.INTERNAL) {
// TODO: implement this feature
throw new IllegalArgumentException("routing value is required for deleting documents of type [" + request.request().type()
+ "] while using version_type [" + request.request().versionType() + "]");
}
throw new RoutingMissingException(request.concreteIndex(), request.request().type(), request.request().id());
}
}
}
}
private void innerExecute(final DeleteRequest request, final ActionListener<DeleteResponse> listener) {
super.doExecute(request, listener);
}
@Override
protected boolean checkWriteConsistency() {
return true;
}
@Override
protected DeleteResponse newResponseInstance() {
return new DeleteResponse();
}
@Override
protected Tuple<DeleteResponse, DeleteRequest> shardOperationOnPrimary(ClusterState clusterState, PrimaryOperationRequest shardRequest) {
DeleteRequest 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(), request.versionType(), Engine.Operation.Origin.PRIMARY);
indexShard.delete(delete);
// update the request with teh version so it will go to the replicas
request.versionType(delete.versionType().versionTypeForReplicationAndRecovery());
request.version(delete.version());
assert request.versionType().validateVersionForWrites(request.version());
processAfter(request, indexShard, delete.getTranslogLocation());
DeleteResponse response = new DeleteResponse(shardRequest.shardId.getIndex(), request.type(), request.id(), delete.version(), delete.found());
return new Tuple<>(response, shardRequest.request);
}
@Override
protected void shardOperationOnReplica(ShardId shardId, DeleteRequest request) {
IndexShard indexShard = indicesService.indexServiceSafe(shardId.getIndex()).shardSafe(shardId.id());
Engine.Delete delete = indexShard.prepareDelete(request.type(), request.id(), request.version(), request.versionType(), Engine.Operation.Origin.REPLICA);
indexShard.delete(delete);
processAfter(request, indexShard, delete.getTranslogLocation());
}
@Override
protected ShardIterator shards(ClusterState clusterState, InternalRequest request) {
return clusterService.operationRouting()
.deleteShards(clusterService.state(), request.concreteIndex(), request.request().type(), request.request().id(), request.request().routing());
}
private void processAfter(DeleteRequest request, IndexShard indexShard, Translog.Location location) {
if (request.refresh()) {
try {
indexShard.refresh("refresh_flag_delete");
} catch (Throwable e) {
// ignore
}
}
if (indexShard.getTranslogDurability() == Translog.Durabilty.REQUEST && location != null) {
indexShard.sync(location);
}
}
}