001/* 002 * Copyright 2002-2020 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.jcache.config; 018 019import java.util.function.Supplier; 020 021import org.springframework.beans.factory.config.BeanDefinition; 022import org.springframework.cache.annotation.AbstractCachingConfiguration; 023import org.springframework.cache.annotation.CachingConfigurer; 024import org.springframework.cache.interceptor.CacheResolver; 025import org.springframework.cache.jcache.interceptor.DefaultJCacheOperationSource; 026import org.springframework.cache.jcache.interceptor.JCacheOperationSource; 027import org.springframework.context.annotation.Bean; 028import org.springframework.context.annotation.Configuration; 029import org.springframework.context.annotation.Role; 030import org.springframework.lang.Nullable; 031 032/** 033 * Abstract JSR-107 specific {@code @Configuration} class providing common 034 * structure for enabling JSR-107 annotation-driven cache management capability. 035 * 036 * @author Stephane Nicoll 037 * @author Juergen Hoeller 038 * @since 4.1 039 * @see JCacheConfigurer 040 */ 041@Configuration 042public abstract class AbstractJCacheConfiguration extends AbstractCachingConfiguration { 043 044 @Nullable 045 protected Supplier<CacheResolver> exceptionCacheResolver; 046 047 048 @Override 049 protected void useCachingConfigurer(CachingConfigurer config) { 050 super.useCachingConfigurer(config); 051 if (config instanceof JCacheConfigurer) { 052 this.exceptionCacheResolver = ((JCacheConfigurer) config)::exceptionCacheResolver; 053 } 054 } 055 056 @Bean(name = "jCacheOperationSource") 057 @Role(BeanDefinition.ROLE_INFRASTRUCTURE) 058 public JCacheOperationSource cacheOperationSource() { 059 return new DefaultJCacheOperationSource( 060 this.cacheManager, this.cacheResolver, this.exceptionCacheResolver, this.keyGenerator); 061 } 062 063}