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;
18:
19: import java.lang.reflect.Method;
20:
21: /**
22: * A specialized type of MethodMatcher that takes into account introductions when
23: * matching methods. If there are no introductions on the target class, a method
24: * matcher may be able to optimize matching more effectively for example.
25: *
26: * @author Adrian Colyer
27: * @since 2.0
28: */
29: public interface IntroductionAwareMethodMatcher extends MethodMatcher {
30:
31: /**
32: * Perform static checking whether the given method matches. This may be invoked
33: * instead of the 2-arg {@link #matches(java.lang.reflect.Method, Class)} method
34: * if the caller supports the extended IntroductionAwareMethodMatcher interface.
35: * @param method the candidate method
36: * @param targetClass the target class (may be <code>null</code>, in which case
37: * the candidate class must be taken to be the method's declaring class)
38: * @param hasIntroductions <code>true</code> if the object on whose behalf we are
39: * asking is the subject on one or more introductions; <code>false</code> otherwise
40: * @return whether or not this method matches statically
41: */
42: boolean matches(Method method, Class targetClass,
43: boolean hasIntroductions);
44:
45: }
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