twotasksnet.java

Rakiura JFern是一个非常轻型的带有模拟器的Petri网络框架

// This is copyrighted source file, part of Rakiura JFern package. 
// See the file LICENSE for copyright information and the terms and conditions
// for copying, distributing and modifications of Rakiura JFern package.
// Copyright (C) 1999-2002 by Mariusz Nowostawski and others  [http://www.rakiura.org]

package org.rakiura.cpn.sample;

/**/
import java.util.List;
import org.rakiura.cpn.*;
import org.rakiura.cpn.lib.Sequence;

/**
 * Simple example of two sequencial tasks.
 * 
 *<br><br>
 * TwoTasksNet.java<br>
 * Created: Tue Oct  3 16:53:15 2000<br>
 *
 *@author  <a href="[e-mail]">Mariusz Nowostawski</a>
 *@version 2.1.0 $Revision: 1.7 $
 */
public class TwoTasksNet extends Sequence {
  
  public TwoTasksNet() {
    final List l = transitions();
    final Transition t1 =  (Transition) l.get(0);
    final OutputArc out1 = (OutputArc) t1.outputArcs().get(0);
    out1.setExpression(out1.new Expression() {
        public Multiset evaluate() {
          final Multiset out = new Multiset();
          Object t = getMultiset().getAny();
          int n = ((Number) t).intValue();
          out.add(new Integer(n + 1));
          return out;
        }
      });

    final Transition t2 =  (Transition) l.get(1);
    final OutputArc out2 = (OutputArc) t2.outputArcs().get(0);
    out2.setExpression(out2.new Expression() {
        public Multiset evaluate() {
          int n = ((Number) getMultiset().getAny()).intValue();
          return new Multiset(new Integer(n + 1));
        }
      });
  }
  
  public TwoTasksNet(Multiset m) {
    this();
    inputPlace().addTokens(m);
  }
    
} // TwoTasksNet
//////////////////// end of file ////////////////////