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org.elasticsearch.action.bulk.TransportShardBulkAction Maven / Gradle / Ivy
ElasticSearch - Open Source, Distributed, RESTful Search Engine
/*
* Licensed to ElasticSearch and Shay Banon 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.bulk;
import com.google.common.collect.Sets;
import org.elasticsearch.ElasticSearchException;
import org.elasticsearch.ElasticSearchIllegalStateException;
import org.elasticsearch.ExceptionsHelper;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.ActionRequest;
import org.elasticsearch.action.RoutingMissingException;
import org.elasticsearch.action.delete.DeleteRequest;
import org.elasticsearch.action.delete.DeleteResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.action.index.IndexResponse;
import org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction;
import org.elasticsearch.action.update.UpdateHelper;
import org.elasticsearch.action.update.UpdateRequest;
import org.elasticsearch.action.update.UpdateResponse;
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.block.ClusterBlockException;
import org.elasticsearch.cluster.block.ClusterBlockLevel;
import org.elasticsearch.cluster.metadata.MappingMetaData;
import org.elasticsearch.cluster.routing.ShardIterator;
import org.elasticsearch.common.Strings;
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.engine.DocumentAlreadyExistsException;
import org.elasticsearch.index.engine.Engine;
import org.elasticsearch.index.engine.VersionConflictEngineException;
import org.elasticsearch.index.mapper.DocumentMapper;
import org.elasticsearch.index.mapper.MapperService;
import org.elasticsearch.index.mapper.SourceToParse;
import org.elasticsearch.index.percolator.PercolatorExecutor;
import org.elasticsearch.index.service.IndexService;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.index.shard.service.IndexShard;
import org.elasticsearch.indices.IndicesService;
import org.elasticsearch.rest.RestStatus;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportRequestOptions;
import org.elasticsearch.transport.TransportService;
import java.io.IOException;
import java.util.Map;
import java.util.Set;
/**
* Performs the index operation.
*/
public class TransportShardBulkAction extends TransportShardReplicationOperationAction {
private final MappingUpdatedAction mappingUpdatedAction;
private final UpdateHelper updateHelper;
private final boolean allowIdGeneration;
@Inject
public TransportShardBulkAction(Settings settings, TransportService transportService, ClusterService clusterService,
IndicesService indicesService, ThreadPool threadPool, ShardStateAction shardStateAction,
MappingUpdatedAction mappingUpdatedAction, UpdateHelper updateHelper) {
super(settings, transportService, clusterService, indicesService, threadPool, shardStateAction);
this.mappingUpdatedAction = mappingUpdatedAction;
this.updateHelper = updateHelper;
this.allowIdGeneration = settings.getAsBoolean("action.allow_id_generation", true);
}
@Override
protected String executor() {
return ThreadPool.Names.BULK;
}
@Override
protected boolean checkWriteConsistency() {
return true;
}
@Override
protected TransportRequestOptions transportOptions() {
return BulkAction.INSTANCE.transportOptions(settings);
}
@Override
protected BulkShardRequest newRequestInstance() {
return new BulkShardRequest();
}
@Override
protected BulkShardRequest newReplicaRequestInstance() {
return new BulkShardRequest();
}
@Override
protected BulkShardResponse newResponseInstance() {
return new BulkShardResponse();
}
@Override
protected String transportAction() {
return BulkAction.NAME + "/shard";
}
@Override
protected ClusterBlockException checkGlobalBlock(ClusterState state, BulkShardRequest request) {
return state.blocks().globalBlockedException(ClusterBlockLevel.WRITE);
}
@Override
protected ClusterBlockException checkRequestBlock(ClusterState state, BulkShardRequest request) {
return state.blocks().indexBlockedException(ClusterBlockLevel.WRITE, request.index());
}
@Override
protected ShardIterator shards(ClusterState clusterState, BulkShardRequest request) {
return clusterState.routingTable().index(request.index()).shard(request.shardId()).shardsIt();
}
@Override
protected PrimaryResponse shardOperationOnPrimary(ClusterState clusterState, PrimaryOperationRequest shardRequest) {
final BulkShardRequest request = shardRequest.request;
IndexShard indexShard = indicesService.indexServiceSafe(shardRequest.request.index()).shardSafe(shardRequest.shardId);
Engine.IndexingOperation[] ops = null;
Set> mappingsToUpdate = null;
BulkItemResponse[] responses = new BulkItemResponse[request.items().length];
long[] preVersions = new long[request.items().length];
for (int i = 0; i < request.items().length; i++) {
BulkItemRequest item = request.items()[i];
if (item.request() instanceof IndexRequest) {
IndexRequest indexRequest = (IndexRequest) item.request();
try {
WriteResult result = shardIndexOperation(request, indexRequest, clusterState, indexShard, true);
// add the response
IndexResponse indexResponse = result.response();
responses[i] = new BulkItemResponse(item.id(), indexRequest.opType().lowercase(), indexResponse);
preVersions[i] = result.preVersion;
if (result.mappingToUpdate != null) {
if (mappingsToUpdate == null) {
mappingsToUpdate = Sets.newHashSet();
}
mappingsToUpdate.add(result.mappingToUpdate);
}
if (result.op != null) {
if (ops == null) {
ops = new Engine.IndexingOperation[request.items().length];
}
ops[i] = result.op;
}
} catch (Exception e) {
// rethrow the failure if we are going to retry on primary and let parent failure to handle it
if (retryPrimaryException(e)) {
// restore updated versions...
for (int j = 0; j < i; j++) {
applyVersion(request.items()[j], preVersions[j]);
}
throw (ElasticSearchException) e;
}
if (e instanceof ElasticSearchException && ((ElasticSearchException) e).status() == RestStatus.CONFLICT) {
logger.trace("[{}][{}] failed to execute bulk item (index) {}", e, shardRequest.request.index(), shardRequest.shardId, indexRequest);
} else {
logger.debug("[{}][{}] failed to execute bulk item (index) {}", e, shardRequest.request.index(), shardRequest.shardId, indexRequest);
}
responses[i] = new BulkItemResponse(item.id(), indexRequest.opType().lowercase(),
new BulkItemResponse.Failure(indexRequest.index(), indexRequest.type(), indexRequest.id(), ExceptionsHelper.detailedMessage(e)));
// nullify the request so it won't execute on the replicas
request.items()[i] = null;
}
} else if (item.request() instanceof DeleteRequest) {
DeleteRequest deleteRequest = (DeleteRequest) item.request();
try {
// add the response
DeleteResponse deleteResponse = shardDeleteOperation(deleteRequest, indexShard).response();
responses[i] = new BulkItemResponse(item.id(), "delete", deleteResponse);
} catch (Exception e) {
// rethrow the failure if we are going to retry on primary and let parent failure to handle it
if (retryPrimaryException(e)) {
// restore updated versions...
for (int j = 0; j < i; j++) {
applyVersion(request.items()[j], preVersions[j]);
}
throw (ElasticSearchException) e;
}
if (e instanceof ElasticSearchException && ((ElasticSearchException) e).status() == RestStatus.CONFLICT) {
logger.trace("[{}][{}] failed to execute bulk item (delete) {}", e, shardRequest.request.index(), shardRequest.shardId, deleteRequest);
} else {
logger.debug("[{}][{}] failed to execute bulk item (delete) {}", e, shardRequest.request.index(), shardRequest.shardId, deleteRequest);
}
responses[i] = new BulkItemResponse(item.id(), "delete",
new BulkItemResponse.Failure(deleteRequest.index(), deleteRequest.type(), deleteRequest.id(), ExceptionsHelper.detailedMessage(e)));
// nullify the request so it won't execute on the replicas
request.items()[i] = null;
}
} else if (item.request() instanceof UpdateRequest) {
UpdateRequest updateRequest = (UpdateRequest) item.request();
int retryCount = 0;
do {
UpdateResult updateResult;
try {
updateResult = shardUpdateOperation(clusterState, request, updateRequest, indexShard);
} catch (Throwable t) {
updateResult = new UpdateResult(null, null, false, t, null);
}
if (updateResult.success()) {
switch (updateResult.result.operation()) {
case UPSERT:
case INDEX:
WriteResult result = updateResult.writeResult;
IndexRequest indexRequest = updateResult.request();
BytesReference indexSourceAsBytes = indexRequest.source();
// add the response
IndexResponse indexResponse = result.response();
UpdateResponse updateResponse = new UpdateResponse(indexResponse.getIndex(), indexResponse.getType(), indexResponse.getId(), indexResponse.getVersion());
updateResponse.setMatches(indexResponse.getMatches());
if (updateRequest.fields() != null && updateRequest.fields().length > 0) {
Tuple> sourceAndContent = XContentHelper.convertToMap(indexSourceAsBytes, true);
updateResponse.setGetResult(updateHelper.extractGetResult(updateRequest, indexResponse.getVersion(), sourceAndContent.v2(), sourceAndContent.v1(), indexSourceAsBytes));
}
responses[i] = new BulkItemResponse(item.id(), "update", updateResponse);
preVersions[i] = result.preVersion;
if (result.mappingToUpdate != null) {
if (mappingsToUpdate == null) {
mappingsToUpdate = Sets.newHashSet();
}
mappingsToUpdate.add(result.mappingToUpdate);
}
if (result.op != null) {
if (ops == null) {
ops = new Engine.IndexingOperation[request.items().length];
}
ops[i] = result.op;
}
// Replace the update request to the translated index request to execute on the replica.
request.items()[i] = new BulkItemRequest(request.items()[i].id(), indexRequest);
break;
case DELETE:
DeleteResponse response = updateResult.writeResult.response();
DeleteRequest deleteRequest = updateResult.request();
updateResponse = new UpdateResponse(response.getIndex(), response.getType(), response.getId(), response.getVersion());
updateResponse.setGetResult(updateHelper.extractGetResult(updateRequest, response.getVersion(), updateResult.result.updatedSourceAsMap(), updateResult.result.updateSourceContentType(), null));
responses[i] = new BulkItemResponse(item.id(), "update", updateResponse);
// Replace the update request to the translated delete request to execute on the replica.
request.items()[i] = new BulkItemRequest(request.items()[i].id(), deleteRequest);
break;
case NONE:
responses[i] = new BulkItemResponse(item.id(), "update", updateResult.noopResult);
request.items()[i] = null; // No need to go to the replica
break;
}
// NOTE: Breaking out of the retry_on_conflict loop!
break;
} else if (updateResult.failure()) {
Throwable t = updateResult.error;
if (!updateResult.retry) {
// rethrow the failure if we are going to retry on primary and let parent failure to handle it
if (retryPrimaryException(t)) {
// restore updated versions...
for (int j = 0; j < i; j++) {
applyVersion(request.items()[j], preVersions[j]);
}
throw (ElasticSearchException) t;
}
if (updateResult.result == null) {
responses[i] = new BulkItemResponse(item.id(), "update", new BulkItemResponse.Failure(updateRequest.index(), updateRequest.type(), updateRequest.id(), ExceptionsHelper.detailedMessage(t)));
} else {
switch (updateResult.result.operation()) {
case UPSERT:
case INDEX:
IndexRequest indexRequest = updateResult.request();
if (t instanceof ElasticSearchException && ((ElasticSearchException) t).status() == RestStatus.CONFLICT) {
logger.trace("[{}][{}] failed to execute bulk item (index) {}", t, shardRequest.request.index(), shardRequest.shardId, indexRequest);
} else {
logger.debug("[{}][{}] failed to execute bulk item (index) {}", t, shardRequest.request.index(), shardRequest.shardId, indexRequest);
}
responses[i] = new BulkItemResponse(item.id(), indexRequest.opType().lowercase(),
new BulkItemResponse.Failure(indexRequest.index(), indexRequest.type(), indexRequest.id(), ExceptionsHelper.detailedMessage(t)));
break;
case DELETE:
DeleteRequest deleteRequest = updateResult.request();
if (t instanceof ElasticSearchException && ((ElasticSearchException) t).status() == RestStatus.CONFLICT) {
logger.trace("[{}][{}] failed to execute bulk item (delete) {}", t, shardRequest.request.index(), shardRequest.shardId, deleteRequest);
} else {
logger.debug("[{}][{}] failed to execute bulk item (delete) {}", t, shardRequest.request.index(), shardRequest.shardId, deleteRequest);
}
responses[i] = new BulkItemResponse(item.id(), "delete",
new BulkItemResponse.Failure(deleteRequest.index(), deleteRequest.type(), deleteRequest.id(), ExceptionsHelper.detailedMessage(t)));
break;
}
}
// nullify the request so it won't execute on the replicas
request.items()[i] = null;
// NOTE: Breaking out of the retry_on_conflict loop!
break;
}
}
} while (++retryCount < updateRequest.retryOnConflict());
}
}
if (mappingsToUpdate != null) {
for (Tuple mappingToUpdate : mappingsToUpdate) {
updateMappingOnMaster(mappingToUpdate.v1(), mappingToUpdate.v2());
}
}
if (request.refresh()) {
try {
indexShard.refresh(new Engine.Refresh(false));
} catch (Exception e) {
// ignore
}
}
BulkShardResponse response = new BulkShardResponse(new ShardId(request.index(), request.shardId()), responses);
return new PrimaryResponse(shardRequest.request, response, ops);
}
static class WriteResult {
final Object response;
final long preVersion;
final Tuple mappingToUpdate;
final Engine.IndexingOperation op;
WriteResult(Object response, long preVersion, Tuple mappingToUpdate, Engine.IndexingOperation op) {
this.response = response;
this.preVersion = preVersion;
this.mappingToUpdate = mappingToUpdate;
this.op = op;
}
@SuppressWarnings("unchecked")
T response() {
return (T) response;
}
}
private WriteResult shardIndexOperation(BulkShardRequest request, IndexRequest indexRequest, ClusterState clusterState,
IndexShard indexShard, boolean processed) {
// validate, if routing is required, that we got routing
MappingMetaData mappingMd = clusterState.metaData().index(request.index()).mappingOrDefault(indexRequest.type());
if (mappingMd != null && mappingMd.routing().required()) {
if (indexRequest.routing() == null) {
throw new RoutingMissingException(indexRequest.index(), indexRequest.type(), indexRequest.id());
}
}
if (!processed) {
indexRequest.process(clusterState.metaData(), indexRequest.index(), mappingMd, allowIdGeneration);
}
SourceToParse sourceToParse = SourceToParse.source(indexRequest.source()).type(indexRequest.type()).id(indexRequest.id())
.routing(indexRequest.routing()).parent(indexRequest.parent()).timestamp(indexRequest.timestamp()).ttl(indexRequest.ttl());
long version;
Engine.IndexingOperation op;
if (indexRequest.opType() == IndexRequest.OpType.INDEX) {
Engine.Index index = indexShard.prepareIndex(sourceToParse).version(indexRequest.version()).versionType(indexRequest.versionType()).origin(Engine.Operation.Origin.PRIMARY);
indexShard.index(index);
version = index.version();
op = index;
} else {
Engine.Create create = indexShard.prepareCreate(sourceToParse).version(indexRequest.version()).versionType(indexRequest.versionType()).origin(Engine.Operation.Origin.PRIMARY);
indexShard.create(create);
version = create.version();
op = create;
}
long preVersion = indexRequest.version();
// update the version on request so it will happen on the replicas
indexRequest.version(version);
// update mapping on master if needed, we won't update changes to the same type, since once its changed, it won't have mappers added
Tuple mappingsToUpdate = null;
if (op.parsedDoc().mappingsModified()) {
mappingsToUpdate = Tuple.tuple(indexRequest.index(), indexRequest.type());
}
// if we are going to percolate, then we need to keep this op for the postPrimary operation
if (!Strings.hasLength(indexRequest.percolate())) {
op = null;
}
IndexResponse indexResponse = new IndexResponse(indexRequest.index(), indexRequest.type(), indexRequest.id(), version);
return new WriteResult(indexResponse, preVersion, mappingsToUpdate, op);
}
private WriteResult shardDeleteOperation(DeleteRequest deleteRequest, IndexShard indexShard) {
Engine.Delete delete = indexShard.prepareDelete(deleteRequest.type(), deleteRequest.id(), deleteRequest.version()).versionType(deleteRequest.versionType()).origin(Engine.Operation.Origin.PRIMARY);
indexShard.delete(delete);
// update the request with the version so it will go to the replicas
deleteRequest.version(delete.version());
DeleteResponse deleteResponse = new DeleteResponse(deleteRequest.index(), deleteRequest.type(), deleteRequest.id(), delete.version(), delete.notFound());
return new WriteResult(deleteResponse, deleteRequest.version(), null, null);
}
static class UpdateResult {
final UpdateHelper.Result result;
final ActionRequest actionRequest;
final boolean retry;
final Throwable error;
final WriteResult writeResult;
final UpdateResponse noopResult;
UpdateResult(UpdateHelper.Result result, ActionRequest actionRequest, boolean retry, Throwable error, WriteResult writeResult) {
this.result = result;
this.actionRequest = actionRequest;
this.retry = retry;
this.error = error;
this.writeResult = writeResult;
this.noopResult = null;
}
UpdateResult(UpdateHelper.Result result, ActionRequest actionRequest, WriteResult writeResult) {
this.result = result;
this.actionRequest = actionRequest;
this.writeResult = writeResult;
this.retry = false;
this.error = null;
this.noopResult = null;
}
public UpdateResult(UpdateHelper.Result result, UpdateResponse updateResponse) {
this.result = result;
this.noopResult = updateResponse;
this.actionRequest = null;
this.writeResult = null;
this.retry = false;
this.error = null;
}
boolean failure() {
return error != null;
}
boolean success() {
return noopResult != null || writeResult != null;
}
@SuppressWarnings("unchecked")
T request() {
return (T) actionRequest;
}
}
private UpdateResult shardUpdateOperation(ClusterState clusterState, BulkShardRequest bulkShardRequest, UpdateRequest updateRequest, IndexShard indexShard) {
UpdateHelper.Result translate = updateHelper.prepare(updateRequest, indexShard);
switch (translate.operation()) {
case UPSERT:
case INDEX:
IndexRequest indexRequest = translate.action();
try {
WriteResult result = shardIndexOperation(bulkShardRequest, indexRequest, clusterState, indexShard, false);
return new UpdateResult(translate, indexRequest, result);
} catch (Throwable t) {
t = ExceptionsHelper.unwrapCause(t);
boolean retry = false;
if (t instanceof VersionConflictEngineException || (t instanceof DocumentAlreadyExistsException && translate.operation() == UpdateHelper.Operation.UPSERT)) {
retry = true;
}
return new UpdateResult(translate, indexRequest, retry, t, null);
}
case DELETE:
DeleteRequest deleteRequest = translate.action();
try {
WriteResult result = shardDeleteOperation(deleteRequest, indexShard);
return new UpdateResult(translate, deleteRequest, result);
} catch (Throwable t) {
t = ExceptionsHelper.unwrapCause(t);
boolean retry = false;
if (t instanceof VersionConflictEngineException) {
retry = true;
}
return new UpdateResult(translate, deleteRequest, retry, t, null);
}
case NONE:
UpdateResponse updateResponse = translate.action();
return new UpdateResult(translate, updateResponse);
default:
throw new ElasticSearchIllegalStateException("Illegal update operation " + translate.operation());
}
}
@Override
protected void postPrimaryOperation(BulkShardRequest request, PrimaryResponse response) {
IndexService indexService = indicesService.indexServiceSafe(request.index());
Engine.IndexingOperation[] ops = (Engine.IndexingOperation[]) response.payload();
if (ops == null) {
return;
}
for (int i = 0; i < ops.length; i++) {
BulkItemRequest itemRequest = request.items()[i];
BulkItemResponse itemResponse = response.response().getResponses()[i];
if (itemResponse.isFailed()) {
// failure, continue
continue;
}
Engine.IndexingOperation op = ops[i];
if (op == null) {
continue; // failed / no matches requested
}
if (itemRequest.request() instanceof IndexRequest) {
IndexRequest indexRequest = (IndexRequest) itemRequest.request();
if (!Strings.hasLength(indexRequest.percolate())) {
continue;
}
try {
PercolatorExecutor.Response percolate = indexService.percolateService().percolate(new PercolatorExecutor.DocAndSourceQueryRequest(op.parsedDoc(), indexRequest.percolate()));
((IndexResponse) itemResponse.getResponse()).setMatches(percolate.matches());
} catch (Exception e) {
logger.warn("failed to percolate [{}]", e, itemRequest.request());
}
}
}
}
@Override
protected void shardOperationOnReplica(ReplicaOperationRequest shardRequest) {
IndexShard indexShard = indicesService.indexServiceSafe(shardRequest.request.index()).shardSafe(shardRequest.shardId);
final BulkShardRequest request = shardRequest.request;
for (int i = 0; i < request.items().length; i++) {
BulkItemRequest item = request.items()[i];
if (item == null) {
continue;
}
if (item.request() instanceof IndexRequest) {
IndexRequest indexRequest = (IndexRequest) item.request();
try {
SourceToParse sourceToParse = SourceToParse.source(indexRequest.source()).type(indexRequest.type()).id(indexRequest.id())
.routing(indexRequest.routing()).parent(indexRequest.parent()).timestamp(indexRequest.timestamp()).ttl(indexRequest.ttl());
if (indexRequest.opType() == IndexRequest.OpType.INDEX) {
Engine.Index index = indexShard.prepareIndex(sourceToParse).version(indexRequest.version()).origin(Engine.Operation.Origin.REPLICA);
indexShard.index(index);
} else {
Engine.Create create = indexShard.prepareCreate(sourceToParse).version(indexRequest.version()).origin(Engine.Operation.Origin.REPLICA);
indexShard.create(create);
}
} catch (Exception e) {
// ignore, we are on backup
}
} else if (item.request() instanceof DeleteRequest) {
DeleteRequest deleteRequest = (DeleteRequest) item.request();
try {
Engine.Delete delete = indexShard.prepareDelete(deleteRequest.type(), deleteRequest.id(), deleteRequest.version()).origin(Engine.Operation.Origin.REPLICA);
indexShard.delete(delete);
} catch (Exception e) {
// ignore, we are on backup
}
}
}
if (request.refresh()) {
try {
indexShard.refresh(new Engine.Refresh(false));
} catch (Exception e) {
// ignore
}
}
}
private void updateMappingOnMaster(final String index, final String type) {
try {
MapperService mapperService = indicesService.indexServiceSafe(index).mapperService();
final DocumentMapper documentMapper = mapperService.documentMapper(type);
if (documentMapper == null) { // should not happen
return;
}
documentMapper.refreshSource();
mappingUpdatedAction.execute(new MappingUpdatedAction.MappingUpdatedRequest(index, type, documentMapper.mappingSource()), new ActionListener() {
@Override
public void onResponse(MappingUpdatedAction.MappingUpdatedResponse mappingUpdatedResponse) {
// all is well
}
@Override
public void onFailure(Throwable e) {
try {
logger.warn("failed to update master on updated mapping for index [{}], type [{}] and source [{}]", e, index, type, documentMapper.mappingSource().string());
} catch (IOException e1) {
// ignore
}
}
});
} catch (Exception e) {
logger.warn("failed to update master on updated mapping for index [{}], type [{}]", e, index, type);
}
}
private void applyVersion(BulkItemRequest item, long version) {
if (item.request() instanceof IndexRequest) {
((IndexRequest) item.request()).version(version);
} else if (item.request() instanceof DeleteRequest) {
((DeleteRequest) item.request()).version(version);
} else {
// log?
}
}
}
