01: /*
02: * Copyright 2002-2007 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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: * Interface to be implemented by factories that are able to create
21: * AOP proxies based on {@link AdvisedSupport} configuration objects.
22: *
23: * <p>Proxies should observe the following contract:
24: * <ul>
25: * <li>They should implement all interfaces that the configuration
26: * indicates should be proxied.
27: * <li>They should implement the {@link Advised} interface.
28: * <li>They should implement the equals method to compare proxied
29: * interfaces, advice, and target.
30: * <li>They should be serializable if all advisors and target
31: * are serializable.
32: * <li>They should be thread-safe if advisors and target
33: * are thread-safe.
34: * </ul>
35: *
36: * <p>Proxies may or may not allow advice changes to be made.
37: * If they do not permit advice changes (for example, because
38: * the configuration was frozen) a proxy should throw an
39: * {@link AopConfigException} on an attempted advice change.
40: *
41: * @author Rod Johnson
42: * @author Juergen Hoeller
43: */
44: public interface AopProxyFactory {
45:
46: /**
47: * Create an {@link AopProxy} for the given AOP configuration.
48: * @param config the AOP configuration in the form of an
49: * AdvisedSupport object
50: * @return the corresponding AOP proxy
51: * @throws AopConfigException if the configuration is invalid
52: */
53: AopProxy createAopProxy(AdvisedSupport config)
54: throws AopConfigException;
55:
56: }
|