AopProxy


1   /*
2    * Copyright 2002-2007 the original author or authors.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.springframework.aop.framework;
18  
19  /**
20   * Strategy interface for a configured proxy, allowing for creation of proxy objects.
21   *
22   * <p>Out-of-the-box implementations are available for dynamic proxies and for CGLIB.
23   *
24   * @author Rod Johnson
25   * @author Juergen Hoeller
26   */
27  public interface AopProxy {
28  
29      /**
30       * Create a new proxy object.
31       * <p>Uses the AopProxy's default class loader (if necessary for proxy creation):
32       * usually, the thread context class loader.
33       * @see java.lang.Thread#getContextClassLoader()
34       */
35      Object   getProxy();
36  
37      /**
38       * Create a new proxy object.
39       * <p>Uses the given class loader (if necessary for proxy creation).
40       * <code>null</code> will simply be passed down and thus lead to the low-level
41       * proxy facility's default, which is usually different from the default chosen
42       * by the AopProxy implementation's {@link #getProxy()} method.
43       * @param classLoader the class loader to create the proxy with
44       * (or <code>null</code> for the low-level proxy facility's default)
45       */
46      Object   getProxy(ClassLoader   classLoader);
47  
48  }
49
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