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Java Class File  |  1997-02-09  |  576 b   |  24 lines
  1. package mug.app;
  2.  
  3. public abstract class Command {
  4.    private Command _next;
  5.  
  6.    public abstract void execute();
  7.  
  8.    public Command setNext(Command var1) {
  9.       this._next = var1;
  10.       return this;
  11.    }
  12.  
  13.    protected void executeNext() {
  14.       if (this._next != null) {
  15.          this._next.execute();
  16.       }
  17.  
  18.    }
  19.  
  20.    protected void executeNext(Command var1) {
  21.       var1.setNext(this._next).execute();
  22.    }
  23. }
  24.