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     */
016    package org.kuali.rice.krms.test;
017    
018    import 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     */
027    public 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    }