spring CacheRemoveEntryInterceptor 源码
spring CacheRemoveEntryInterceptor 代码
文件路径：/spring-context-support/src/main/java/org/springframework/cache/jcache/interceptor/CacheRemoveEntryInterceptor.java
/*
* Copyright 2002-2019 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.interceptor;
import javax.cache.annotation.CacheRemove;
import org.springframework.cache.Cache;
import org.springframework.cache.interceptor.CacheErrorHandler;
import org.springframework.cache.interceptor.CacheOperationInvocationContext;
import org.springframework.cache.interceptor.CacheOperationInvoker;
/**
* Intercept methods annotated with {@link CacheRemove}.
*
* @author Stephane Nicoll
* @since 4.1
*/
@SuppressWarnings("serial")
class CacheRemoveEntryInterceptor extends AbstractKeyCacheInterceptor<CacheRemoveOperation, CacheRemove> {
protected CacheRemoveEntryInterceptor(CacheErrorHandler errorHandler) {
super(errorHandler);
}
@Override
protected Object invoke(
CacheOperationInvocationContext<CacheRemoveOperation> context, CacheOperationInvoker invoker) {
CacheRemoveOperation operation = context.getOperation();
boolean earlyRemove = operation.isEarlyRemove();
if (earlyRemove) {
removeValue(context);
}
try {
Object result = invoker.invoke();
if (!earlyRemove) {
removeValue(context);
}
return result;
}
catch (CacheOperationInvoker.ThrowableWrapper wrapperException) {
Throwable ex = wrapperException.getOriginal();
if (!earlyRemove && operation.getExceptionTypeFilter().match(ex.getClass())) {
removeValue(context);
}
throw wrapperException;
}
}
private void removeValue(CacheOperationInvocationContext<CacheRemoveOperation> context) {
Object key = generateKey(context);
Cache cache = resolveCache(context);
if (logger.isTraceEnabled()) {
logger.trace("Invalidating key [" + key + "] on cache '" + cache.getName() +
"' for operation " + context.getOperation());
}
doEvict(cache, key, context.getOperation().isEarlyRemove());
}
}
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