spring ClassFilter 源码
spring ClassFilter 代码
文件路径：/spring-aop/src/main/java/org/springframework/aop/ClassFilter.java
/*
* Copyright 2002-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.aop;
/**
* Filter that restricts matching of a pointcut or introduction to
* a given set of target classes.
*
* <p>Can be used as part of a {@link Pointcut} or for the entire
* targeting of an {@link IntroductionAdvisor}.
*
* <p>Concrete implementations of this interface typically should provide proper
* implementations of {@link Object#equals(Object)} and {@link Object#hashCode()}
* in order to allow the filter to be used in caching scenarios — for
* example, in proxies generated by CGLIB.
*
* @author Rod Johnson
* @see Pointcut
* @see MethodMatcher
*/
@FunctionalInterface
public interface ClassFilter {
/**
* Should the pointcut apply to the given interface or target class?
* @param clazz the candidate target class
* @return whether the advice should apply to the given target class
*/
boolean matches(Class<?> clazz);
/**
* Canonical instance of a ClassFilter that matches all classes.
*/
ClassFilter TRUE = TrueClassFilter.INSTANCE;
}
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