import org.sefirs.*;

public class Example {
    /**
     * An example of a simulated thread.  A Sefirs SimulatedThread
     * works exactly like a regular java.lang.Thread (it is actually a
     * subclass of java.lang.Thread), except it runs in simulated
     * time.  This specific class will print out the current time on
     * every even second.
     */
    private static class Even extends SimulatedThread {
	public Even(Simulation simulation) {
	    super(simulation, "Even");
	}

	public void run() {
	    while(isAlive()) {
		System.out.println("Even: " + getProcess().getSimulation().currentTime().expand());
		try {
		    sleep(2000);
		} catch(InterruptedException ie) {
		    System.out.println(ie.toString());
		}
	    }
	}
    }

    /**
     * An example of a process.  A process is a primitive within
     * Sefirs, upon which the Sefirs SimulatedThread is built.  This
     * specific class will print out the current time on every odd
     * second.
     */
    private static class Odd extends SimulatedProcess {
	public Odd(Simulation simulation) {
	    super(simulation);
	}

	public void run() {
	    while(isAlive()) {
		sleep(new Seconds(1));
		System.out.println("Odd: " + getSimulation().currentTime().expand());
		sleep(new Seconds(1));
	    }
	}
    }

    public static void main(String[] args) {
	Simulation sim = new Simulation(new Seconds(1));
	Even e = new Even(sim);
	SimulatedThread o = new SimulatedThread(new Odd(sim));
	e.start();
	o.start();
	sim.runUntil(new Days(1));
	System.exit(0);
    }
}