1 /**
2 * Copyright 2005-2014 The Kuali Foundation
3 *
4 * Licensed under the Educational Community License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.opensource.org/licenses/ecl2.php
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 /*
17 * To change this template, choose Tools | Templates
18 * and open the template in the editor.
19 */
20 package org.kuali.rice.krms.impl.repository;
21
22 import java.util.Comparator;
23 import org.kuali.rice.krms.api.repository.proposition.PropositionDefinition;
24 import org.kuali.rice.krms.api.repository.typerelation.TypeTypeRelation;
25
26 /**
27 *
28 * @author nwright
29 */
30 public class CompoundPropositionComparator implements Comparator<PropositionDefinition> {
31
32 @Override
33 public int compare(PropositionDefinition o1, PropositionDefinition o2) {
34 Integer seq1 = buildKey (o1);
35 Integer seq2 = buildKey (o2);
36 return seq1.compareTo(seq2);
37 }
38
39 private static final Integer ZERO = new Integer (0);
40 private Integer buildKey (PropositionDefinition prop) {
41 if (prop.getCompoundSequenceNumber() != null) {
42 return prop.getCompoundSequenceNumber ();
43 }
44 return ZERO;
45 }
46 }