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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.index.shard;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.index.engine.Engine;
import org.elasticsearch.index.mapper.DocumentMapperForType;
import org.elasticsearch.index.mapper.MapperService;
import org.elasticsearch.index.translog.Translog;
import static org.elasticsearch.index.mapper.SourceToParse.source;
/**
* The TranslogOpToEngineOpConverter encapsulates all the logic needed to transform a translog entry into an
* indexing operation including source parsing and field creation from the source.
*/
public class TranslogOpToEngineOpConverter {
private final MapperService mapperService;
private final ShardId shardId;
protected TranslogOpToEngineOpConverter(ShardId shardId, MapperService mapperService) {
this.shardId = shardId;
this.mapperService = mapperService;
}
protected DocumentMapperForType docMapper(String type) {
return mapperService.documentMapperWithAutoCreate(type); // protected for testing
}
public Engine.Operation convertToEngineOp(Translog.Operation operation, Engine.Operation.Origin origin) {
switch (operation.opType()) {
case INDEX:
final Translog.Index index = (Translog.Index) operation;
// we set canHaveDuplicates to true all the time such that we de-optimze the translog case and ensure that all
// autoGeneratedID docs that are coming from the primary are updated correctly.
final Engine.Index engineIndex = IndexShard.prepareIndex(docMapper(index.type()),
source(shardId.getIndexName(), index.type(), index.id(), index.source(), XContentFactory.xContentType(index.source()))
.routing(index.routing()).parent(index.parent()), index.seqNo(), index.primaryTerm(),
index.version(), index.versionType().versionTypeForReplicationAndRecovery(), origin,
index.getAutoGeneratedIdTimestamp(), true);
return engineIndex;
case DELETE:
final Translog.Delete delete = (Translog.Delete) operation;
final Engine.Delete engineDelete = new Engine.Delete(delete.type(), delete.id(), delete.uid(), delete.seqNo(),
delete.primaryTerm(), delete.version(), delete.versionType().versionTypeForReplicationAndRecovery(),
origin, System.nanoTime());
return engineDelete;
case NO_OP:
final Translog.NoOp noOp = (Translog.NoOp) operation;
final Engine.NoOp engineNoOp =
new Engine.NoOp(noOp.seqNo(), noOp.primaryTerm(), origin, System.nanoTime(), noOp.reason());
return engineNoOp;
default:
throw new IllegalStateException("No operation defined for [" + operation + "]");
}
}
}
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