jwatworkloadmanager.java

一个用于排队系统仿真的开源软件,有非常形象的图象仿真过程!

package jmt.engine.jwat.workloadAnalysis.utils;

import java.awt.Window;
import java.util.Vector;

public class JWatWorkloadManager {
	public static Vector windows = new Vector();
	
	/**
     * Adds a new Window to be checked for termination before terminating JVM
     * @param application JMT application to be checked
     */
    public static void addJMTWindow(Window application) {
        if (!windows.contains(application))
            windows.add(application);
    }

    /**
     * This method has to be called each time a JMT application is terminated. If all applications
     * are terminated, JVM is killed.
     * @param application application to be terminated. If application was not disposed,
     * this method will do 'dispose()' too.
     */
    public static void exit(Window application) {
        // Disposes application window if user didn't do it.
        if (application.isDisplayable())
            application.dispose();
        windows.remove(application);
    }
    
    /**
     * This method has to be called when application JWat->WorkloadAnalysis is terminated. All windows that
     * are open must be closed
     */
    public static void closeAll(){
    	while(windows.size() != 0){
    		((Window)windows.remove(windows.size()-1)).dispose();
    	}
    }
}