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1 /* Copyright (c) 2000-2003, jMock.org. See bundled LICENSE.txt */ 2 package org.jmock.constraint; 3 4 import org.jmock.Constraint; 5 6 /*** 7 * Calculates the logical negation of a constraint. 8 */ 9 public class IsNot implements Constraint { 10 private Constraint _predicate; 11 12 public IsNot(Constraint p) { 13 _predicate = p; 14 } 15 16 public boolean eval(Object arg) { 17 return !_predicate.eval(arg); 18 } 19 20 public String toString() { 21 return "not " + _predicate; 22 } 23 }

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