/
TransportIndexAction.java
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/
TransportIndexAction.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.index;
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.IndexMetaData;
import org.elasticsearch.cluster.metadata.MappingMetaData;
import org.elasticsearch.cluster.metadata.MetaData;
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.IndexService;
import org.elasticsearch.index.engine.Engine;
import org.elasticsearch.index.mapper.Mapping;
import org.elasticsearch.index.mapper.SourceToParse;
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 index operation.
* <p/>
* <p>Allows for the following settings:
* <ul>
* <li><b>autoCreateIndex</b>: When set to <tt>true</tt>, will automatically create an index if one does not exists.
* Defaults to <tt>true</tt>.
* <li><b>allowIdGeneration</b>: If the id is set not, should it be generated. Defaults to <tt>true</tt>.
* </ul>
*/
public class TransportIndexAction extends TransportReplicationAction<IndexRequest, IndexRequest, IndexResponse> {
private final AutoCreateIndex autoCreateIndex;
private final boolean allowIdGeneration;
private final TransportCreateIndexAction createIndexAction;
private final ClusterService clusterService;
@Inject
public TransportIndexAction(Settings settings, TransportService transportService, ClusterService clusterService,
IndicesService indicesService, ThreadPool threadPool, ShardStateAction shardStateAction,
TransportCreateIndexAction createIndexAction, MappingUpdatedAction mappingUpdatedAction, ActionFilters actionFilters) {
super(settings, IndexAction.NAME, transportService, clusterService, indicesService, threadPool, shardStateAction, mappingUpdatedAction,
actionFilters, IndexRequest.class, IndexRequest.class, ThreadPool.Names.INDEX);
this.createIndexAction = createIndexAction;
this.autoCreateIndex = new AutoCreateIndex(settings);
this.allowIdGeneration = settings.getAsBoolean("action.allow_id_generation", true);
this.clusterService = clusterService;
}
@Override
protected void doExecute(final IndexRequest request, final ActionListener<IndexResponse> listener) {
// if we don't have a master, we don't have metadata, that's fine, let it find a master using create index API
if (autoCreateIndex.shouldAutoCreate(request.index(), clusterService.state())) {
CreateIndexRequest createIndexRequest = new CreateIndexRequest(request);
createIndexRequest.index(request.index());
createIndexRequest.mapping(request.type());
createIndexRequest.cause("auto(index api)");
createIndexRequest.masterNodeTimeout(request.timeout());
createIndexAction.execute(createIndexRequest, 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
try {
innerExecute(request, listener);
} catch (Throwable e1) {
listener.onFailure(e1);
}
} else {
listener.onFailure(e);
}
}
});
} else {
innerExecute(request, listener);
}
}
@Override
protected boolean resolveIndex() {
return true;
}
@Override
protected void resolveRequest(ClusterState state, InternalRequest request, ActionListener<IndexResponse> indexResponseActionListener) {
MetaData metaData = clusterService.state().metaData();
MappingMetaData mappingMd = null;
if (metaData.hasIndex(request.concreteIndex())) {
mappingMd = metaData.index(request.concreteIndex()).mappingOrDefault(request.request().type());
}
request.request().process(metaData, mappingMd, allowIdGeneration, request.concreteIndex());
}
private void innerExecute(final IndexRequest request, final ActionListener<IndexResponse> listener) {
super.doExecute(request, listener);
}
@Override
protected boolean checkWriteConsistency() {
return true;
}
@Override
protected IndexResponse newResponseInstance() {
return new IndexResponse();
}
@Override
protected ShardIterator shards(ClusterState clusterState, InternalRequest request) {
return clusterService.operationRouting()
.indexShards(clusterService.state(), request.concreteIndex(), request.request().type(), request.request().id(), request.request().routing());
}
@Override
protected Tuple<IndexResponse, IndexRequest> shardOperationOnPrimary(ClusterState clusterState, PrimaryOperationRequest shardRequest) throws Throwable {
final IndexRequest request = shardRequest.request;
// validate, if routing is required, that we got routing
IndexMetaData indexMetaData = clusterState.metaData().index(shardRequest.shardId.getIndex());
MappingMetaData mappingMd = indexMetaData.mappingOrDefault(request.type());
if (mappingMd != null && mappingMd.routing().required()) {
if (request.routing() == null) {
throw new RoutingMissingException(shardRequest.shardId.getIndex(), request.type(), request.id());
}
}
IndexService indexService = indicesService.indexServiceSafe(shardRequest.shardId.getIndex());
IndexShard indexShard = indexService.shardSafe(shardRequest.shardId.id());
final WriteResult<IndexResponse> result = executeIndexRequestOnPrimary(null, request, indexShard);
final IndexResponse response = result.response;
final Translog.Location location = result.location;
processAfter(request, indexShard, location);
return new Tuple<>(response, shardRequest.request);
}
@Override
protected void shardOperationOnReplica(ShardId shardId, IndexRequest request) {
IndexService indexService = indicesService.indexServiceSafe(shardId.getIndex());
IndexShard indexShard = indexService.shardSafe(shardId.id());
SourceToParse sourceToParse = SourceToParse.source(SourceToParse.Origin.REPLICA, request.source()).type(request.type()).id(request.id())
.routing(request.routing()).parent(request.parent()).timestamp(request.timestamp()).ttl(request.ttl());
final Engine.IndexingOperation operation;
if (request.opType() == IndexRequest.OpType.INDEX) {
operation = indexShard.prepareIndex(sourceToParse, request.version(), request.versionType(), Engine.Operation.Origin.REPLICA, request.canHaveDuplicates());
} else {
assert request.opType() == IndexRequest.OpType.CREATE : request.opType();
operation = indexShard.prepareCreate(sourceToParse, request.version(), request.versionType(), Engine.Operation.Origin.REPLICA, request.canHaveDuplicates(), request.autoGeneratedId());
}
Mapping update = operation.parsedDoc().dynamicMappingsUpdate();
if (update != null) {
throw new RetryOnReplicaException(shardId, "Mappings are not available on the replica yet, triggered update: " + update);
}
operation.execute(indexShard);
processAfter(request, indexShard, operation.getTranslogLocation());
}
private void processAfter(IndexRequest request, IndexShard indexShard, Translog.Location location) {
if (request.refresh()) {
try {
indexShard.refresh("refresh_flag_index");
} catch (Throwable e) {
// ignore
}
}
if (indexShard.getTranslogDurability() == Translog.Durabilty.REQUEST && location != null) {
indexShard.sync(location);
}
}
}