1 /* 2 * Copyright 2009-2023 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 * https://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 * 21 * @deprecated Since 3.5.3, This class never used and will be removed future version. 22 */ 23 @Deprecated 24 public final class NullCacheKey extends CacheKey { 25 26 private static final long serialVersionUID = 3704229911977019465L; 27 28 public NullCacheKey() { 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 }