01: // This file is part of KeY - Integrated Deductive Software Design
02: // Copyright (C) 2001-2007 Universitaet Karlsruhe, Germany
03: // Universitaet Koblenz-Landau, Germany
04: // Chalmers University of Technology, Sweden
05: //
06: // The KeY system is protected by the GNU General Public License.
07: // See LICENSE.TXT for details.
08: //
09: //
10:
11: package de.uka.ilkd.key.strategy.feature;
12:
13: import de.uka.ilkd.key.logic.PosInOccurrence;
14: import de.uka.ilkd.key.proof.Goal;
15: import de.uka.ilkd.key.rule.RuleApp;
16: import de.uka.ilkd.key.strategy.RuleAppCost;
17:
18: /**
19: * A feature that returns a constant value
20: */
21: public class ConstFeature implements Feature {
22: public RuleAppCost compute(RuleApp app, PosInOccurrence pos,
23: Goal goal) {
24: return val;
25: }
26:
27: private ConstFeature(RuleAppCost p_val) {
28: val = p_val;
29: }
30:
31: public static Feature createConst(RuleAppCost p_val) {
32: return new ConstFeature(p_val);
33: }
34:
35: private final RuleAppCost val;
36: }
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