spring JCacheConfigurer 源码
spring JCacheConfigurer 代码
文件路径：/spring-context-support/src/main/java/org/springframework/cache/jcache/config/JCacheConfigurer.java
/*
* Copyright 2002-2021 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.cache.jcache.config;
import org.springframework.cache.annotation.CachingConfigurer;
import org.springframework.cache.interceptor.CacheResolver;
import org.springframework.lang.Nullable;
/**
* Extension of {@link CachingConfigurer} for the JSR-107 implementation.
*
* <p>To be implemented by classes annotated with
* {@link org.springframework.cache.annotation.EnableCaching} that wish
* or need to specify explicitly how exception caches are resolved for
* annotation-driven cache management.
*
* <p>See {@link org.springframework.cache.annotation.EnableCaching} for
* general examples and context; see {@link #exceptionCacheResolver()} for
* detailed instructions.
*
* @author Stephane Nicoll
* @since 4.1
* @see CachingConfigurer
* @see org.springframework.cache.annotation.EnableCaching
*/
public interface JCacheConfigurer extends CachingConfigurer {
/**
* Return the {@link CacheResolver} bean to use to resolve exception caches for
* annotation-driven cache management. Implementations must explicitly declare
* {@link org.springframework.context.annotation.Bean @Bean}, e.g.
* <pre class="code">
* @Configuration
* @EnableCaching
* public class AppConfig implements JCacheConfigurer {
* @Bean // important!
* @Override
* public CacheResolver exceptionCacheResolver() {
* // configure and return CacheResolver instance
* }
* // ...
* }
* </pre>
* See {@link org.springframework.cache.annotation.EnableCaching} for more complete examples.
*/
@Nullable
default CacheResolver exceptionCacheResolver() {
return null;
}
}
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