001/**
002 * Copyright 2005-2011 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.krms.test;
017
018import org.kuali.rice.krms.framework.engine.expression.EngineComparatorExtension;
019
020/**
021 *
022 * Used for testing the ComparisonOperatorService
023 * 
024 * @link ComparisonOperatorService
025 * @author Kuali Rice Team (rice.collab@kuali.org)
026 */
027public class CustomComparisonOperator implements EngineComparatorExtension {
028    @Override
029    public int compare(Object lhs, Object rhs) {
030        if (lhs.equals(rhs)) {
031            return 0;
032        }
033        return lhs.toString().compareTo(rhs.toString());
034    }
035
036    @Override
037    public boolean canCompare(Object lhs, Object rhs) {
038        return (lhs instanceof CustomComparisonOperator && rhs instanceof CustomComparisonOperator);
039    }
040}