1 /**
2 * Copyright 2009-2019 the original author or authors.
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 org.apache.ibatis.cache;
17
18 /**
19 * @author Clinton Begin
20 * @deprecated Since 3.5.3, This class never used and will be removed future version.
21 */
22 @Deprecated
23 public final class NullCacheKey extends CacheKey {
24
25 private static final long serialVersionUID = 3704229911977019465L;
26
27 public NullCacheKey() {
28 super();
29 }
30
31 @Override
32 public void update(Object object) {
33 throw new CacheException("Not allowed to update a NullCacheKey instance.");
34 }
35
36 @Override
37 public void updateAll(Object[] objects) {
38 throw new CacheException("Not allowed to update a NullCacheKey instance.");
39 }
40 }