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ActiveMQ example source code file (TransactionMarshaller.java)
The ActiveMQ TransactionMarshaller.java source code/** * 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.activemq.store.kahadaptor; import java.io.DataInput; import java.io.DataOutput; import java.io.IOException; import java.util.ArrayList; import java.util.List; import org.apache.activemq.command.BaseCommand; import org.apache.activemq.kaha.Marshaller; import org.apache.activemq.util.ByteSequence; import org.apache.activemq.wireformat.WireFormat; /** * Marshall a Transaction * * */ public class TransactionMarshaller implements Marshaller { private WireFormat wireFormat; public TransactionMarshaller(WireFormat wireFormat) { this.wireFormat = wireFormat; } public void writePayload(Object object, DataOutput dataOut) throws IOException { KahaTransaction kt = (KahaTransaction)object; List list = kt.getList(); dataOut.writeInt(list.size()); for (int i = 0; i < list.size(); i++) { TxCommand tx = (TxCommand)list.get(i); Object key = tx.getMessageStoreKey(); ByteSequence packet = wireFormat.marshal(key); dataOut.writeInt(packet.length); dataOut.write(packet.data, packet.offset, packet.length); Object command = tx.getCommand(); packet = wireFormat.marshal(command); dataOut.writeInt(packet.length); dataOut.write(packet.data, packet.offset, packet.length); } } public Object readPayload(DataInput dataIn) throws IOException { KahaTransaction result = new KahaTransaction(); List list = new ArrayList(); result.setList(list); int number = dataIn.readInt(); for (int i = 0; i < number; i++) { TxCommand command = new TxCommand(); int size = dataIn.readInt(); byte[] data = new byte[size]; dataIn.readFully(data); Object key = wireFormat.unmarshal(new ByteSequence(data)); command.setMessageStoreKey(key); size = dataIn.readInt(); data = new byte[size]; dataIn.readFully(data); BaseCommand bc = (BaseCommand)wireFormat.unmarshal(new ByteSequence(data)); command.setCommand(bc); list.add(command); } return result; } } Other ActiveMQ examples (source code examples)Here is a short list of links related to this ActiveMQ TransactionMarshaller.java source code file: |
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