spring CacheErrorHandler 源码
spring CacheErrorHandler 代码
文件路径：/spring-context/src/main/java/org/springframework/cache/interceptor/CacheErrorHandler.java
/*
* Copyright 2002-2017 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.interceptor;
import org.springframework.cache.Cache;
import org.springframework.lang.Nullable;
/**
* A strategy for handling cache-related errors. In most cases, any
* exception thrown by the provider should simply be thrown back at
* the client but, in some circumstances, the infrastructure may need
* to handle cache-provider exceptions in a different way.
*
* <p>Typically, failing to retrieve an object from the cache with
* a given id can be transparently managed as a cache miss by not
* throwing back such exception.
*
* @author Stephane Nicoll
* @since 4.1
*/
public interface CacheErrorHandler {
/**
* Handle the given runtime exception thrown by the cache provider when
* retrieving an item with the specified {@code key}, possibly
* rethrowing it as a fatal exception.
* @param exception the exception thrown by the cache provider
* @param cache the cache
* @param key the key used to get the item
* @see Cache#get(Object)
*/
void handleCacheGetError(RuntimeException exception, Cache cache, Object key);
/**
* Handle the given runtime exception thrown by the cache provider when
* updating an item with the specified {@code key} and {@code value},
* possibly rethrowing it as a fatal exception.
* @param exception the exception thrown by the cache provider
* @param cache the cache
* @param key the key used to update the item
* @param value the value to associate with the key
* @see Cache#put(Object, Object)
*/
void handleCachePutError(RuntimeException exception, Cache cache, Object key, @Nullable Object value);
/**
* Handle the given runtime exception thrown by the cache provider when
* clearing an item with the specified {@code key}, possibly rethrowing
* it as a fatal exception.
* @param exception the exception thrown by the cache provider
* @param cache the cache
* @param key the key used to clear the item
*/
void handleCacheEvictError(RuntimeException exception, Cache cache, Object key);
/**
* Handle the given runtime exception thrown by the cache provider when
* clearing the specified {@link Cache}, possibly rethrowing it as a
* fatal exception.
* @param exception the exception thrown by the cache provider
* @param cache the cache to clear
*/
void handleCacheClearError(RuntimeException exception, Cache cache);
}
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