01: /*
02: * $Id: DurationExpression.java,v 1.5 2004/12/09 12:34:47 kowap Exp $
03: *
04: * Copyright (c) 2004 Patric Fornasier, Pawel Kowalski
05: * Berne University of Applied Sciences
06: * School of Engineering and Information Technology
07: * All rights reserved.
08: */
09: package bexee.model.expression;
10:
11: /**
12: * Representation of a duration expression.
13: *
14: * @author Pawel Kowalski
15: * @version $Revision: 1.5 $, $Date: 2004/12/09 12:34:47 $
16: */
17: public interface DurationExpression extends Expression {
18:
19: /**
20: * Set the duration expression litteral.
21: *
22: * @param litteral
23: * string
24: */
25: public void setDurationExpression(String durationExpression);
26:
27: /**
28: * Get the duration expression litteral.
29: *
30: * @return litteral
31: */
32: public String getDurationExpression();
33: }
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