Package com.sun.messaging.jmq.jmsserver.persist.file

Source Code of com.sun.messaging.jmq.jmsserver.persist.file.RemoteTransactionEvent

/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License").  You
* may not use this file except in compliance with the License.  You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt.  See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license."  If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above.  However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/

package com.sun.messaging.jmq.jmsserver.persist.file;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

import com.sun.messaging.jmq.jmsserver.core.BrokerAddress;
import com.sun.messaging.jmq.jmsserver.core.DestinationUID;
import com.sun.messaging.jmq.jmsserver.data.BaseTransaction;
import com.sun.messaging.jmq.jmsserver.data.RemoteTransaction;
import com.sun.messaging.jmq.jmsserver.data.TransactionAcknowledgement;
import com.sun.messaging.jmq.jmsserver.data.TransactionState;
import com.sun.messaging.jmq.jmsserver.util.BrokerException;

public abstract class RemoteTransactionEvent extends TransactionEvent {
  public static final byte Type2PPrepareEvent = 1;
  public static final byte Type2PCompleteEvent = 2;

  RemoteTransaction remoteTransaction;

  static TransactionEvent create(byte subtype) {
    TransactionEvent result = null;
    switch (subtype) {
    case Type2PPrepareEvent:
      result = new RemoteTransaction2PPrepareEvent();
      break;
    case Type2PCompleteEvent:
      result = new RemoteTransaction2PCompleteEvent();
      break;
    default:
      throw new UnsupportedOperationException();
    }
    return result;
  }

  int getType() {
    return BaseTransaction.REMOTE_TRANSACTION_TYPE;
  }
  abstract int getSubType();
}

class RemoteTransaction2PPrepareEvent extends RemoteTransactionEvent {
  int getSubType() {
    return Type2PPrepareEvent;
  }
 
 
  public byte[] writeToBytes() throws IOException {
    // Log all msgs and acks for producing and consuming txn
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(baos);

    dos.writeByte(BaseTransaction.REMOTE_TRANSACTION_TYPE);
    dos.writeByte(Type2PPrepareEvent);

    remoteTransaction.getTransactionDetails().writeContent(dos);
   
    ByteArrayOutputStream baos2 = new ByteArrayOutputStream(1024);
    ObjectOutputStream oos = new ObjectOutputStream(baos2);

    oos.writeObject(remoteTransaction.getTransactionState());
    oos.writeObject(remoteTransaction.getTxnHomeBroker());
    oos.writeObject(remoteTransaction.getTxnAcks());
    oos.writeObject(remoteTransaction.getDestIds());
    oos.close();

    byte[] data = baos2.toByteArray();
    int length = data.length;
    dos.writeInt(length);
    dos.write(data);

    baos2.close();

    dos.close();
    baos.close();

    byte[] data2 = baos.toByteArray();
    return data2;

  }


 
  public void readFromBytes(byte[] data) throws IOException, BrokerException {
    ByteArrayInputStream bais = new ByteArrayInputStream(data);
    DataInputStream dis = new DataInputStream(bais);
    remoteTransaction = new RemoteTransaction();
    dis.skip(2);

    remoteTransaction.getTransactionDetails().readContent(dis);
   
    int objectBodySize = dis.readInt();

    byte[] objectBody = new byte[objectBodySize];
    dis.read(objectBody);

    ByteArrayInputStream bais2 = new ByteArrayInputStream(objectBody);
    ObjectInputStream ois = new ObjectInputStream(bais2);

    try {

      remoteTransaction.setTransactionState((TransactionState) ois
          .readObject());
      remoteTransaction.setTxnHomeBroker((BrokerAddress) ois
          .readObject());
      remoteTransaction.setTxnAcks((TransactionAcknowledgement[]) ois
          .readObject());
      remoteTransaction.setDestIds((DestinationUID[]) ois
          .readObject());
    } catch (ClassNotFoundException e) {
      e.printStackTrace();
    }
    ois.close();
    bais2.close();

    dis.close();
    bais.close();
  }
 
}

class RemoteTransaction2PCompleteEvent extends RemoteTransactionEvent {
  int getSubType() {
    return Type2PCompleteEvent;
  }
 
  byte[] writeToBytes() throws IOException {

    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(bos);
    dos.writeByte(BaseTransaction.REMOTE_TRANSACTION_TYPE);
    dos.writeByte(Type2PCompleteEvent);
    remoteTransaction.getTransactionDetails().writeContent(dos);

    byte[] data = bos.toByteArray();
    dos.close();
    bos.close();
    return data;
  }

  void readFromBytes(byte[] data) throws IOException, BrokerException {
    ByteArrayInputStream bais = new ByteArrayInputStream(data);
    DataInputStream dis = new DataInputStream(bais);

    remoteTransaction = new RemoteTransaction();
    dis.skip(2);
    remoteTransaction.getTransactionDetails().readContent(dis);

    dis.close();
    bais.close();
  }
}
TOP

Related Classes of com.sun.messaging.jmq.jmsserver.persist.file.RemoteTransactionEvent

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.