chordmessage.java

来自「High performance DB query」· Java 代码 · 共 105 行

/*
 * @(#)$Id: ChordMessage.java,v 1.7 2004/07/02 23:59:20 huebsch Exp $
 *
 * Copyright (c) 2001-2004 Regents of the University of California.
 * All rights reserved.
 *
 * This file is distributed under the terms in the attached BERKELEY-LICENSE
 * file. If you do not find these files, copies can be found by writing to:
 * Computer Science Division, Database Group, Universite of California,
 * 617 Soda Hall #1776, Berkeley, CA 94720-1776. Attention: Berkeley License
 *
 * Copyright (c) 2003-2004 Intel Corporation. All rights reserved.
 *
 * This file is distributed under the terms in the attached INTEL-LICENSE file.
 * If you do not find these files, copies can be found by writing to:
 * Intel Research Berkeley, 2150 Shattuck Avenue, Suite 1300,
 * Berkeley, CA, 94704.  Attention:  Intel License Inquiry.
 */


package overlay.location.chord.payload;

import java.net.InetSocketAddress;
import services.network.Payload;
import util.network.serialization.GenericByteBuffer;
import util.network.serialization.SerializationManager;
import util.network.serialization.SerializeInetSocketAddress;

/**
 * Class ChordMessage
 *
 */
public class ChordMessage implements Payload {

    public static long serialVersionUID =
        SerializationManager.getSerialUID(
            "overlay.location.chord.payload.ChordMessage");
    protected int messageID;
    protected InetSocketAddress sourceSocketAddress;

    /**
     * DeSerialize the object from the provided GenericByteBuffer.
     *
     * @param inputBuffer
     */
    public ChordMessage(GenericByteBuffer inputBuffer) {
        this.messageID = inputBuffer.getInt();
        this.sourceSocketAddress =
            SerializeInetSocketAddress.deSerialize(inputBuffer, 4);
    }

    /**
     * Serialize the object into the provided GenericByteBuffer.
     *
     * @param outputBuffer
     * @return
     */
    public long serialize(GenericByteBuffer outputBuffer) {
        outputBuffer.putInt(messageID);
        SerializeInetSocketAddress.serialize(outputBuffer, sourceSocketAddress);

        return serialVersionUID;
    }

    /**
     * Constructor ChordMessage
     */
    protected ChordMessage() {}

    /**
     * Method init
     *
     * @param messageID
     * @param sourceSocketAddress
     */
    protected void init(int messageID, InetSocketAddress sourceSocketAddress) {
        this.messageID = messageID;
        this.sourceSocketAddress = sourceSocketAddress;
    }

    /**
     * Method getSize
     * @return
     */
    public int getSize() {
        return 1 + Payload.INT_SIZE + Payload.INET_SOCKET_SIZE;
    }

    /**
     * Method getID
     * @return
     */
    public int getID() {
        return messageID;
    }

    /**
     * Method getSourceSocketAddress
     * @return
     */
    public InetSocketAddress getSourceSocketAddress() {
        return sourceSocketAddress;
    }
}