Transition.java :  » Code-Analyzer » javapathfinder » gov » nasa » jpf » Java Open Source

//
// Copyright (C) 2005 United States Government as represented by the
// Administrator of the National Aeronautics and Space Administration
// (NASA).  All Rights Reserved.
// 
// This software is distributed under the NASA Open Source Agreement
// (NOSA), version 1.3.  The NOSA has been approved by the Open Source
// Initiative.  See the file NOSA-1.3-JPF at the top of the distribution
// directory tree for the complete NOSA document.
// 
// THE SUBJECT SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY OF ANY
// KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT
// LIMITED TO, ANY WARRANTY THAT THE SUBJECT SOFTWARE WILL CONFORM TO
// SPECIFICATIONS, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR
// A PARTICULAR PURPOSE, OR FREEDOM FROM INFRINGEMENT, ANY WARRANTY THAT
// THE SUBJECT SOFTWARE WILL BE ERROR FREE, OR ANY WARRANTY THAT
// DOCUMENTATION, IF PROVIDED, WILL CONFORM TO THE SUBJECT SOFTWARE.
//
package gov.nasa.jpf;

import gov.nasa.jpf.util.Printable;


/**
 * Transition objects are the elements of a 'Path' instance, they hold
 * all instructions (step) executed in this thread for the current 
 * state transition
 */
public interface Transition extends Printable {
  String getLabel ();

  int getRandom ();

  int getStepCount ();

  int getThread ();

  TransitionStep getTransitionStep (int index);
  
  TransitionStep getLastTransitionStep ();
  
  void setOutput (String s);
  
  void setAnnotation (Object o);
  
  Object getAnnotation ();
  
  String getOutput ();
}