01: //
02: // Copyright (C) 2005 United States Government as represented by the
03: // Administrator of the National Aeronautics and Space Administration
04: // (NASA). All Rights Reserved.
05: //
06: // This software is distributed under the NASA Open Source Agreement
07: // (NOSA), version 1.3. The NOSA has been approved by the Open Source
08: // Initiative. See the file NOSA-1.3-JPF at the top of the distribution
09: // directory tree for the complete NOSA document.
10: //
11: // THE SUBJECT SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY OF ANY
12: // KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT
13: // LIMITED TO, ANY WARRANTY THAT THE SUBJECT SOFTWARE WILL CONFORM TO
14: // SPECIFICATIONS, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR
15: // A PARTICULAR PURPOSE, OR FREEDOM FROM INFRINGEMENT, ANY WARRANTY THAT
16: // THE SUBJECT SOFTWARE WILL BE ERROR FREE, OR ANY WARRANTY THAT
17: // DOCUMENTATION, IF PROVIDED, WILL CONFORM TO THE SUBJECT SOFTWARE.
18: //
19: package gov.nasa.jpf;
20:
21: import gov.nasa.jpf.util.Printable;
22:
23: /**
24: * Transition objects are the elements of a 'Path' instance, they hold
25: * all instructions (step) executed in this thread for the current
26: * state transition
27: */
28: public interface Transition extends Printable {
29: String getLabel();
30:
31: int getRandom();
32:
33: int getStepCount();
34:
35: int getThread();
36:
37: TransitionStep getTransitionStep(int index);
38:
39: TransitionStep getLastTransitionStep();
40:
41: void setOutput(String s);
42:
43: void setAnnotation(Object o);
44:
45: Object getAnnotation();
46:
47: String getOutput();
48: }
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