/*
 * IntCompare.java - Integer object comparator.
 *
 * Copyright (c) 1998, Charles McManis, All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software
 * and its documentation for NON-COMMERCIAL purposes and without
 * fee is hereby granted provided that this copyright notice
 * appears in all copies.
 *
 * CHUCK MCMANIS MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE
 * SUITABILITY OF THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING
 * BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. CHUCK MCMANIS
 * SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT
 * OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
 */

public class IntCompare implements Comparator {

    public boolean lessThan(Object a, Object b) {
        return ((Integer) a).intValue() < ((Integer) b).intValue();
    }

    public boolean greaterThan(Object a, Object b) {
        return ((Integer) a).intValue() > ((Integer) b).intValue();
    }

    public boolean equalTo(Object a, Object b) {
        return ((Integer) a).intValue() == ((Integer) b).intValue();
    }

    public void typeCheck(Object a) {
        if (a instanceof Integer)
           return;
        throw new RuntimeException("Type violation!");
    }
}