JdkDynamicAopProxy-笔记

/**
 * Delegate interface for a configured AOP proxy, allowing for the creation
 * of actual proxy objects.
 *
 * <p>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
 * @see DefaultAopProxyFactory
 */
public interface AopProxy {

    /**创建一个代理对象。（为目标对象创建一个代理对象。）
     * Create a new proxy object.
     * <p>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()
     */
    Object getProxy();

    /**重载方法。上面的无参方法会调用这个重载方法。
     * Create a new proxy object.
     * <p>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(ClassLoader classLoader);

}