| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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 backtype.storm.serialization; |
| |
| import backtype.storm.task.GeneralTopologyContext; |
| import backtype.storm.tuple.MessageId; |
| import backtype.storm.tuple.Tuple; |
| import backtype.storm.tuple.TupleImpl; |
| import backtype.storm.utils.WritableUtils; |
| import com.esotericsoftware.kryo.io.Input; |
| import java.io.ByteArrayInputStream; |
| import java.io.DataInputStream; |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class KryoTupleDeserializer implements ITupleDeserializer { |
| GeneralTopologyContext _context; |
| KryoValuesDeserializer _kryo; |
| SerializationFactory.IdDictionary _ids; |
| Input _kryoInput; |
| |
| public KryoTupleDeserializer(final Map conf, final GeneralTopologyContext context) { |
| _kryo = new KryoValuesDeserializer(conf); |
| _context = context; |
| _ids = new SerializationFactory.IdDictionary(context.getRawTopology()); |
| _kryoInput = new Input(1); |
| } |
| |
| public Tuple deserialize(byte[] ser) { |
| try { |
| _kryoInput.setBuffer(ser); |
| int taskId = _kryoInput.readInt(true); |
| int streamId = _kryoInput.readInt(true); |
| String componentName = _context.getComponentId(taskId); |
| String streamName = _ids.getStreamName(componentName, streamId); |
| MessageId id = MessageId.deserialize(_kryoInput); |
| List<Object> values = _kryo.deserializeFrom(_kryoInput); |
| return new TupleImpl(_context, values, taskId, streamName, id); |
| } catch(IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |