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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2018-2022 Saxonica Limited
// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
// This Source Code Form is "Incompatible With Secondary Licenses", as defined by the Mozilla Public License, v. 2.0.
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
package net.sf.saxon.z;
/**
* An IntPredicate formed as the difference of two other predicates: it matches
* an integer if the first operand matches the integer and the second does not
*/
public class IntExceptPredicate implements IntPredicateProxy {
private final IntPredicateProxy p1;
private final IntPredicateProxy p2;
private IntExceptPredicate(IntPredicateProxy p1, IntPredicateProxy p2) {
this.p1 = p1;
this.p2 = p2;
}
public static IntPredicateProxy makeDifference(IntPredicateProxy p1, IntPredicateProxy p2) {
return new IntExceptPredicate(p1, p2);
}
/**
* Ask whether a given value matches this predicate
*
* @param value the value to be tested
* @return true if the value matches; false if it does not
*/
@Override
public boolean test(int value) {
return p1.test(value) && !p2.test(value);
}
/**
* Get the operands
*
* @return an array containing the two operands
*/
public IntPredicateProxy[] getOperands() {
return new IntPredicateProxy[]{p1, p2};
}
}