| /** |
| * 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 org.apache.storm.serialization; |
| |
| import com.esotericsoftware.kryo.io.Input; |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Map; |
| import org.apache.storm.task.GeneralTopologyContext; |
| import org.apache.storm.tuple.MessageId; |
| import org.apache.storm.tuple.TupleImpl; |
| |
| public class KryoTupleDeserializer implements ITupleDeserializer { |
| private GeneralTopologyContext context; |
| private KryoValuesDeserializer kryo; |
| private SerializationFactory.IdDictionary ids; |
| private Input kryoInput; |
| |
| public KryoTupleDeserializer(final Map<String, Object> conf, final GeneralTopologyContext context) { |
| kryo = new KryoValuesDeserializer(conf); |
| this.context = context; |
| ids = new SerializationFactory.IdDictionary(context.getRawTopology()); |
| kryoInput = new Input(1); |
| } |
| |
| @Override |
| public TupleImpl 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, componentName, taskId, streamName, id); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |