1 /***
2 * Copyright 2003-2010 Terracotta, Inc.
3 *
4 * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
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 package net.sf.ehcache.store;
17
18 import net.sf.ehcache.Element;
19
20 import java.util.Arrays;
21
22 /***
23 * @author Ludovic Orban
24 */
25 public class DefaultElementValueComparator implements ElementValueComparator {
26
27 /***
28 * {@inheritDoc}
29 */
30 public boolean equals(Element e1, Element e2) {
31 if (e1 == null && e2 == null) {
32 return true;
33 } else if (e1 != null && e1.equals(e2)) {
34 if (e1.getObjectValue() == null) {
35 return e2.getObjectValue() == null;
36 } else {
37 return compareValues(e1.getObjectValue(), e2.getObjectValue());
38 }
39 } else {
40 return false;
41 }
42 }
43
44 private static boolean compareValues(Object objectValue1, Object objectValue2) {
45 if (objectValue1 != null && objectValue2 != null && objectValue1.getClass().isArray() && objectValue2.getClass().isArray()) {
46 return Arrays.deepEquals(new Object[] {objectValue1}, new Object[] {objectValue2});
47 } else {
48 if (objectValue1 == null) {
49 return objectValue2 == null;
50 } else {
51 return objectValue1.equals(objectValue2);
52 }
53 }
54 }
55
56 }