/*
* 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.update;
import java.util.Collections;
import java.util.Map;
import org.elasticsearch.ExceptionsHelper;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.RoutingMissingException;
import org.elasticsearch.action.WriteConsistencyLevel;
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.delete.DeleteRequest;
import org.elasticsearch.action.delete.TransportDeleteAction;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.action.index.TransportIndexAction;
import org.elasticsearch.action.support.ActionFilters;
import org.elasticsearch.action.support.AutoCreateIndex;
import org.elasticsearch.action.support.TransportActions;
import org.elasticsearch.action.support.single.instance.TransportInstanceSingleOperationAction;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.metadata.IndexNameExpressionResolver;
import org.elasticsearch.cluster.metadata.MetaData;
import org.elasticsearch.cluster.routing.PlainShardIterator;
import org.elasticsearch.cluster.routing.ShardIterator;
import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.collect.Tuple;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentHelper;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.index.IndexService;
import org.elasticsearch.index.shard.IndexShard;
import org.elasticsearch.indices.IndexAlreadyExistsException;
import org.elasticsearch.indices.IndicesService;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
/**
*/
public class TransportUpdateAction extends TransportInstanceSingleOperationAction<UpdateRequest, UpdateResponse> {
protected final TransportDeleteAction deleteAction;
protected final TransportIndexAction indexAction;
protected final AutoCreateIndex autoCreateIndex;
protected final TransportCreateIndexAction createIndexAction;
protected final UpdateHelper updateHelper;
protected final IndicesService indicesService;
@Inject
public TransportUpdateAction(Settings settings, ThreadPool threadPool, ClusterService clusterService, TransportService transportService,
TransportIndexAction indexAction, TransportDeleteAction deleteAction, TransportCreateIndexAction createIndexAction,
UpdateHelper updateHelper, ActionFilters actionFilters, IndexNameExpressionResolver indexNameExpressionResolver,
IndicesService indicesService, AutoCreateIndex autoCreateIndex) {
super(settings, UpdateAction.NAME, threadPool, clusterService, transportService, actionFilters, indexNameExpressionResolver, UpdateRequest.class);
this.indexAction = indexAction;
this.deleteAction = deleteAction;
this.createIndexAction = createIndexAction;
this.updateHelper = updateHelper;
this.indicesService = indicesService;
this.autoCreateIndex = autoCreateIndex;
}
@Override
protected String executor() {
return ThreadPool.Names.INDEX;
}
@Override
protected UpdateResponse newResponse() {
return new UpdateResponse();
}
@Override
protected boolean retryOnFailure(Throwable e) {
return TransportActions.isShardNotAvailableException(e);
}
@Override
protected void resolveRequest(ClusterState state, UpdateRequest request) {
resolveAndValidateRouting(state.metaData(), request.concreteIndex(), request);
}
public static void resolveAndValidateRouting(MetaData metaData, String concreteIndex, UpdateRequest request) {
request.routing((metaData.resolveIndexRouting(request.routing(), request.index())));
// Fail fast on the node that received the request, rather than failing when translating on the index or delete request.
if (request.routing() == null && metaData.routingRequired(concreteIndex, request.type())) {
throw new RoutingMissingException(concreteIndex, request.type(), request.id());
}
}
@Override
protected void doExecute(final UpdateRequest request, final ActionListener<UpdateResponse> 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())) {
createIndexAction.execute(new CreateIndexRequest(request).index(request.index()).cause("auto(update 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
try {
innerExecute(request, listener);
} catch (Throwable e1) {
listener.onFailure(e1);
}
} else {
listener.onFailure(e);
}
}
});
} else {
innerExecute(request, listener);
}
}
private void innerExecute(final UpdateRequest request, final ActionListener<UpdateResponse> listener) {
super.doExecute(request, listener);
}
@Override
protected ShardIterator shards(ClusterState clusterState, UpdateRequest request) {
if (request.shardId() != -1) {
return clusterState.routingTable().index(request.concreteIndex()).shard(request.shardId()).primaryShardIt();
}
ShardIterator shardIterator = clusterService.operationRouting()
.indexShards(clusterState, request.concreteIndex(), request.type(), request.id(), request.routing());
ShardRouting shard;
while ((shard = shardIterator.nextOrNull()) != null) {
if (shard.primary()) {
return new PlainShardIterator(shardIterator.shardId(), Collections.singletonList(shard));
}
}
return new PlainShardIterator(shardIterator.shardId(), Collections.<ShardRouting>emptyList());
}
@Override
protected void shardOperation(final UpdateRequest request, final ActionListener<UpdateResponse> listener) {
shardOperation(request, listener, 0);
}
protected void shardOperation(final UpdateRequest request, final ActionListener<UpdateResponse> listener, final int retryCount) {
IndexService indexService = indicesService.indexServiceSafe(request.concreteIndex());
IndexShard indexShard = indexService.shardSafe(request.shardId());
UpdateResponse update;
WriteConsistencyLevel wcl = (request.consistencyLevel() == WriteConsistencyLevel.DEFAULT) ? WriteConsistencyLevel.ALL: request.consistencyLevel();
try {
final UpdateHelper.Result result = updateHelper.prepare(request, indexShard);
switch (result.operation()) {
case UPSERT:
IndexRequest upsertRequest = new IndexRequest((IndexRequest)result.action(), request);
upsertRequest.consistencyLevel(wcl);
clusterService.updateDocument(indicesService, upsertRequest, clusterService.state().metaData().index(request.index()));
update = new UpdateResponse(request.index(), request.type(), request.id(), new Long(1), true);
update.setShardInfo(clusterService.shardInfo(request.index(), wcl.toCassandraConsistencyLevel()));
if (request.fields() != null && request.fields().length > 0) {
final BytesReference upsertSourceBytes = upsertRequest.source();
Tuple<XContentType, Map<String, Object>> sourceAndContent = XContentHelper.convertToMap(upsertSourceBytes, true);
update.setGetResult(updateHelper.extractGetResult(request, request.concreteIndex(), 1L, sourceAndContent.v2(), sourceAndContent.v1(), upsertSourceBytes));
} else {
update.setGetResult(null);
}
listener.onResponse(update);
break;
case INDEX:
IndexRequest indexRequest = new IndexRequest((IndexRequest)result.action(), request);
indexRequest.consistencyLevel(wcl);
// we fetch it from the index request so we don't generate the bytes twice, its already done in the index request
clusterService.insertDocument(indicesService, indexRequest, clusterService.state().metaData().index(indexRequest.index()));
final BytesReference indexSourceBytes = indexRequest.source();
update = new UpdateResponse(request.index(), request.type(), request.id(), new Long(1), true);
update.setShardInfo(clusterService.shardInfo(request.index(), wcl.toCassandraConsistencyLevel()));
update.setGetResult(updateHelper.extractGetResult(request, request.concreteIndex(), 1L, result.updatedSourceAsMap(), result.updateSourceContentType(), indexSourceBytes));
listener.onResponse(update);
break;
case DELETE:
DeleteRequest deleteRequest = new DeleteRequest((DeleteRequest)result.action(), request);
deleteRequest.consistencyLevel(wcl);
clusterService.deleteRow(request.index(), request.type(), request.id(), wcl.toCassandraConsistencyLevel());
update = new UpdateResponse(request.index(), request.type(), request.id(), new Long(1), true);
update.setShardInfo(clusterService.shardInfo(request.index(), wcl.toCassandraConsistencyLevel()));
update.setGetResult(updateHelper.extractGetResult(request, request.concreteIndex(), 1L, result.updatedSourceAsMap(), result.updateSourceContentType(), null));
listener.onResponse(update);
break;
case NONE:
update = result.action();
IndexService indexServiceOrNull = indicesService.indexService(request.concreteIndex());
if (indexServiceOrNull != null) {
IndexShard shard = indexService.shard(request.shardId());
if (shard != null) {
shard.indexingService().noopUpdate(request.type());
}
}
listener.onResponse(update);
break;
default:
throw new IllegalStateException("Illegal operation " + result.operation());
}
} catch(Exception e) {
listener.onFailure(e);
}
}
}