cn.taketoday.aop.framework.AopProxy Maven / Gradle / Ivy
/*
* Original Author -> Harry Yang ([email protected]) https://taketoday.cn
* Copyright © TODAY & 2017 - 2022 All Rights Reserved.
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see [http://www.gnu.org/licenses/]
*/
package cn.taketoday.aop.framework;
import cn.taketoday.lang.Nullable;
import cn.taketoday.util.ClassUtils;
/**
* Delegate interface for a configured AOP proxy, allowing for the creation
* of actual proxy objects.
*
* Out-of-the-box implementations are available for JDK dynamic proxies
* and for CGLIB proxies, as applied by {@link DefaultAopProxyFactory}.
*
* @author Rod Johnson
* @author Juergen Hoeller
* @author TODAY 2021/2/1 20:24
* @see DefaultAopProxyFactory
* @since 3.0
*/
public interface AopProxy {
/**
* Create a new proxy object.
*
Uses the AopProxy's default class loader (if necessary for proxy creation):
* usually, the thread context class loader.
*
* @return the new proxy object (never {@code null})
* @see Thread#getContextClassLoader()
*/
default Object getProxy() {
return getProxy(ClassUtils.getDefaultClassLoader());
}
/**
* Create a new proxy object.
*
Uses the given class loader (if necessary for proxy creation).
* {@code null} will simply be passed down and thus lead to the low-level
* proxy facility's default, which is usually different from the default chosen
* by the AopProxy implementation's {@link #getProxy()} method.
*
* @param classLoader the class loader to create the proxy with
* (or {@code null} for the low-level proxy facility's default)
* @return the new proxy object (never {@code null})
*/
Object getProxy(@Nullable ClassLoader classLoader);
}