spring ProxyCreationContext 源码
spring ProxyCreationContext 代码
文件路径：/spring-aop/src/main/java/org/springframework/aop/framework/autoproxy/ProxyCreationContext.java
/*
* Copyright 2002-2018 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.aop.framework.autoproxy;
import org.springframework.core.NamedThreadLocal;
import org.springframework.lang.Nullable;
/**
* Holder for the current proxy creation context, as exposed by auto-proxy creators
* such as {@link AbstractAdvisorAutoProxyCreator}.
*
* @author Juergen Hoeller
* @author Ramnivas Laddad
* @since 2.5
*/
public final class ProxyCreationContext {
/** ThreadLocal holding the current proxied bean name during Advisor matching. */
private static final ThreadLocal<String> currentProxiedBeanName =
new NamedThreadLocal<>("Name of currently proxied bean");
private ProxyCreationContext() {
}
/**
* Return the name of the currently proxied bean instance.
* @return the name of the bean, or {@code null} if none available
*/
@Nullable
public static String getCurrentProxiedBeanName() {
return currentProxiedBeanName.get();
}
/**
* Set the name of the currently proxied bean instance.
* @param beanName the name of the bean, or {@code null} to reset it
*/
static void setCurrentProxiedBeanName(@Nullable String beanName) {
if (beanName != null) {
currentProxiedBeanName.set(beanName);
}
else {
currentProxiedBeanName.remove();
}
}
}
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