spring MethodBeforeAdvice 源码
spring MethodBeforeAdvice 代码
文件路径：/spring-aop/src/main/java/org/springframework/aop/MethodBeforeAdvice.java
/*
* Copyright 2002-2018 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;
import java.lang.reflect.Method;
import org.springframework.lang.Nullable;
/**
* Advice invoked before a method is invoked. Such advices cannot
* prevent the method call proceeding, unless they throw a Throwable.
*
* @author Rod Johnson
* @see AfterReturningAdvice
* @see ThrowsAdvice
*/
public interface MethodBeforeAdvice extends BeforeAdvice {
/**
* Callback before a given method is invoked.
* @param method the method being invoked
* @param args the arguments to the method
* @param target the target of the method invocation. May be {@code null}.
* @throws Throwable if this object wishes to abort the call.
* Any exception thrown will be returned to the caller if it's
* allowed by the method signature. Otherwise the exception
* will be wrapped as a runtime exception.
*/
void before(Method method, Object[] args, @Nullable Object target) throws Throwable;
}
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