forkjob.java

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/**
 * Copyright (C) 2006, Laboratorio di Valutazione delle Prestazioni - Politecnico di Milano

 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
package jmt.engine.QueueNet;

import jmt.engine.NodeSections.Fork;

/**
 * <p>Title: ForkJob</p>
 * <p>Description: This is a special job created by Fork component. This is designed
 * to hold a reference to fork node and forked job.</p>
 *
 * @author Bertoli Marco
 *         Date: 13-mar-2006
 *         Time: 15.48.33
 */
public class ForkJob extends Job{
    /** Reference to original job */
    protected Job forkedJob;
    /** Number of child jobs */
    protected int jobNum;
    /** Reference to Fork node */
    protected Fork forkNode;

    /**
     * Creates a new ForkJob, given number of jobs, original job and reference fork
     * @param jobNum number of jobs in which this one must be splitted
     * @param forkedJob original job to split
     * @param forkNode reference to splitting node (used for blocking)
     */
    public ForkJob(int jobNum, Job forkedJob, Fork forkNode) {
        super(forkedJob.getJobClass());
        this.forkedJob = forkedJob;
        this.jobNum = jobNum;
        this.forkNode = forkNode;
        this.systemEnteringTime = forkedJob.systemEnteringTime;
        this.born();
    }

    /**
     * Gets original job that was splitted in this piece
     * @return original job that was splitted in this piece
     */
    public Job getForkedJob() {
        return forkedJob;
    }

    /**
     * Gets number of split created from original job
     * @return number number of split created from original job
     */
    public int getForkedNumber() {
        return jobNum;
    }

    /**
     * Gets the Fork node that created this split
     * @return reference to Fork node that created this split
     */
    public Fork getReferenceFork() {
        return forkNode;
    }
}