001/* 002 * Copyright 2002-2018 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.cache.annotation; 018 019import org.springframework.cache.CacheManager; 020import org.springframework.cache.interceptor.CacheErrorHandler; 021import org.springframework.cache.interceptor.CacheResolver; 022import org.springframework.cache.interceptor.KeyGenerator; 023import org.springframework.lang.Nullable; 024 025/** 026 * An implementation of {@link CachingConfigurer} with empty methods allowing 027 * sub-classes to override only the methods they're interested in. 028 * 029 * @author Stephane Nicoll 030 * @since 4.1 031 * @see CachingConfigurer 032 */ 033public class CachingConfigurerSupport implements CachingConfigurer { 034 035 @Override 036 @Nullable 037 public CacheManager cacheManager() { 038 return null; 039 } 040 041 @Override 042 @Nullable 043 public CacheResolver cacheResolver() { 044 return null; 045 } 046 047 @Override 048 @Nullable 049 public KeyGenerator keyGenerator() { 050 return null; 051 } 052 053 @Override 054 @Nullable 055 public CacheErrorHandler errorHandler() { 056 return null; 057 } 058 059}