treemessageupstreamredirect.java

High performance DB query

/*
 * @(#)$Id: TreeMessageUpstreamRedirect.java,v 1.2 2005/07/30 20:14:40 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 pier.helpers.trees;

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

/**
 * Class Expression
 */
public class TreeMessageUpstreamRedirect extends TreeMessage {

    public static long serialVersionUID =
        SerializationManager.getSerialUID(
            "pier.helpers.trees.TreeMessageUpstreamRedirect");
    protected InetSocketAddress routeViaSocketAddress;
    protected BitID routeViaID;

    /**
     * Constructor TreeMessage
     *
     * @param inputBuffer
     */
    public TreeMessageUpstreamRedirect(GenericByteBuffer inputBuffer) {
        super(inputBuffer);

        this.routeViaSocketAddress =
            SerializeInetSocketAddress.deSerialize(inputBuffer, 4);
        this.routeViaID = new BitID(inputBuffer);

        if (routeViaID.bigIntegerValue() == null) {
            routeViaID = null;
        }
    }

    /**
     * Method serialize
     *
     * @param outputBuffer
     * @return
     */
    public long serialize(GenericByteBuffer outputBuffer) {
        super.serialize(outputBuffer);
        SerializeInetSocketAddress.serialize(outputBuffer,
                                             routeViaSocketAddress);
        routeViaID.serialize(outputBuffer);

        return serialVersionUID;
    }

    /**
     * Constructor TreeMessage
     *
     *
     * @param sourceSocketAddress
     * @param sourceID
     * @param routeViaSocketAddress
     * @param routeViaID
     */
    public TreeMessageUpstreamRedirect(InetSocketAddress sourceSocketAddress,
                                       BitID sourceID,
                                       InetSocketAddress routeViaSocketAddress,
                                       BitID routeViaID) {
        super(sourceSocketAddress, sourceID);

        this.routeViaSocketAddress = routeViaSocketAddress;
        this.routeViaID = routeViaID;
    }

    /**
     * Method getRouteViaSocketAddress
     * @return
     */
    public InetSocketAddress getRouteViaSocketAddress() {
        return routeViaSocketAddress;
    }

    /**
     * Method getRouteViaID
     * @return
     */
    public BitID getRouteViaID() {
        return routeViaID;
    }

    /**
     * Method getSize
     * @return
     */
    public int getSize() {
        int size = super.getSize();

        if (routeViaSocketAddress != null) {
            size += Payload.INET_SOCKET_SIZE;
        }

        if (routeViaID != null) {
            size += routeViaID.getSize();
        }

        return size;
    }

    /**
     * Method toString
     * @return
     */
    public String toString() {
        return "<TreeRedirect: S:" + sourceID + "(" + sourceSocketAddress
               + "), K:" + routeViaID + ", H:" + routeViaSocketAddress + ">";
    }
}