NullCacheKey.java

  1. /*
  2.  *    Copyright 2009-2021 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.  * @author Clinton Begin
  19.  * @deprecated Since 3.5.3, This class never used and will be removed future version.
  20.  */
  21. @Deprecated
  22. public final class NullCacheKey extends CacheKey {

  23.   private static final long serialVersionUID = 3704229911977019465L;

  24.   public NullCacheKey() {
  25.     super();
  26.   }

  27.   @Override
  28.   public void update(Object object) {
  29.     throw new CacheException("Not allowed to update a NullCacheKey instance.");
  30.   }

  31.   @Override
  32.   public void updateAll(Object[] objects) {
  33.     throw new CacheException("Not allowed to update a NullCacheKey instance.");
  34.   }
  35. }