syncedclockevent.java

High performance DB query

/*
 * @(#)$Id: SyncedClockEvent.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.clock.synced;

import simulator.core.Event;
import simulator.core.SimulatorClient;
import simulator.schedulers.clock.ClockClient;
import util.FreeList;
import util.FreeListFactory;

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

    private ClockClient client;
    private boolean tracked;
    private Object data;
    private static FreeList freeList =
        new FreeList(new SyncedClockEventFactory());

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

    private void init(SimulatorClient simClient, double currentTime,
                      double executionTime, int nodeNum, ClockClient client,
                      boolean tracked, Object data) {
        super.init(simClient, currentTime, executionTime, nodeNum);

        this.client = client;
        this.tracked = tracked;
        this.data = data;
    }

    /**
     * Method getClient
     * @return
     */
    public ClockClient getClient() {
        return client;
    }

    /**
     * Method getTracked
     * @return
     */
    public boolean getTracked() {
        return tracked;
    }

    /**
     * Method getData
     * @return
     */
    public Object getData() {
        return data;
    }

    /**
     * Method toString
     * @return
     */
    public String toString() {
        return super.toString() + "[SC: TK: " + tracked + ", DA:" + data + "]";
    }

    /**
     * Method allocate
     *
     * @param simClient
     * @param currentTime
     * @param executionTime
     * @param nodeNum
     * @param client
     * @param tracked
     * @param data
     * @return
     */
    public static SyncedClockEvent allocate(SimulatorClient simClient,
                                            double currentTime,
                                            double executionTime, int nodeNum,
                                            ClockClient client,
                                            boolean tracked, Object data) {
        SyncedClockEvent event = (SyncedClockEvent) freeList.allocate();

        event.init(simClient, currentTime, executionTime, nodeNum, client,
                   tracked, data);

        return event;
    }

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


/**
 * Class SyncedClockEventFactory
 *
 */
class SyncedClockEventFactory implements FreeListFactory {

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