/** * 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.Tuple; import com.esotericsoftware.kryo.io.Output; import java.io.IOException; import java.util.Map; public class KryoTupleSerializer implements ITupleSerializer { KryoValuesSerializer _kryo; SerializationFactory.IdDictionary _ids; Output _kryoOut; public KryoTupleSerializer(final Map conf, final GeneralTopologyContext context) { _kryo = new KryoValuesSerializer(conf); _kryoOut = new Output(2000, 2000000000); _ids = new SerializationFactory.IdDictionary(context.getRawTopology()); } public byte[] serialize(Tuple tuple) { try { _kryoOut.clear(); _kryoOut.writeInt(tuple.getSourceTask(), true); _kryoOut.writeInt(_ids.getStreamId(tuple.getSourceComponent(), tuple.getSourceStreamId()), true); tuple.getMessageId().serialize(_kryoOut); _kryo.serializeInto(tuple.getValues(), _kryoOut); return _kryoOut.toBytes(); } catch (IOException e) { throw new RuntimeException(e); } } // public long crc32(Tuple tuple) { // try { // CRC32OutputStream hasher = new CRC32OutputStream(); // _kryo.serializeInto(tuple.getValues(), hasher); // return hasher.getValue(); // } catch (IOException e) { // throw new RuntimeException(e); // } // } }