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.proof;
12:
13: import de.uka.ilkd.key.rule.Rule;
14:
15: /**
16: * Intersection (conjunction) of two rule filters
17: */
18: public class AndRuleFilter implements RuleFilter {
19:
20: private final RuleFilter a;
21: private final RuleFilter b;
22:
23: public AndRuleFilter(RuleFilter p_a, RuleFilter p_b) {
24: a = p_a;
25: b = p_b;
26: }
27:
28: public boolean filter(Rule rule) {
29: return a.filter(rule) && b.filter(rule);
30: }
31:
32: public String toString() {
33: return a + " AND " + b;
34: }
35:
36: }
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