networkevent.java

High performance DB query

/*
 * @(#)$Id: NetworkEvent.java,v 1.4 2004/07/02 23:59:22 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 simulator.schedulers.network;

import java.net.InetAddress;
import simulator.core.Event;
import simulator.core.SimulatorClient;
import util.FreeList;
import util.FreeListFactory;

/**
 * Class NetworkEvent
 *
 */
public class NetworkEvent extends Event {

    private IPMessage message;
    private InetAddress immediateDestination;
    private static FreeList freeList = new FreeList(new NetworkEventFactory());

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

    /**
     * Method init
     *
     * @param simClient
     * @param currentTime
     * @param executionTime
     * @param nodeNum
     * @param message
     * @param immediateDestination
     */
    protected void init(SimulatorClient simClient, double currentTime,
                        double executionTime, int nodeNum, IPMessage message,
                        InetAddress immediateDestination) {
        super.init(simClient, currentTime, executionTime, nodeNum);

        this.message = message;
        this.immediateDestination = immediateDestination;
    }

    /**
     * Method getMessage
     * @return
     */
    public IPMessage getMessage() {
        return message;
    }

    /**
     * Method getImmediateDestination
     * @return
     */
    public InetAddress getImmediateDestination() {
        return immediateDestination;
    }

    /**
     * Method toString
     * @return
     */
    public String toString() {
        return super.toString() + "[NN: NH:" + immediateDestination + ", MS:"
               + message + "]";
    }

    /**
     * Method allocate
     *
     * @param simClient
     * @param currentTime
     * @param executionTime
     * @param nodeNum
     * @param message
     * @param immediateDestination
     * @return
     */
    public static NetworkEvent allocate(SimulatorClient simClient,
                                        double currentTime,
                                        double executionTime, int nodeNum,
                                        IPMessage message,
                                        InetAddress immediateDestination) {
        NetworkEvent event = (NetworkEvent) freeList.allocate();

        event.init(simClient, currentTime, executionTime, nodeNum, message,
                   immediateDestination);

        return event;
    }

    /**
     * Method free
     *
     * @param event
     */
    public static void free(NetworkEvent event) {
        freeList.free(event);
    }
}


/**
 * Class NetworkEventFactory
 *
 */
class NetworkEventFactory implements FreeListFactory {

    /**
     * Method create
     * @return
     */
    public Object create() {
        return new NetworkEvent();
    }
}