/*
 * Copyright 2002-2015 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.aspectj;

import java.io.Serializable;
import java.lang.reflect.Method;

import org.springframework.aop.MethodBeforeAdvice;
import org.springframework.lang.Nullable;

/**
 * Spring AOP advice that wraps an AspectJ before method.
 *
 * @author Rod Johnson
 * @author Adrian Colyer
 * @since 2.0
 */
/**
* @vlog: 高于生活，源于生活
* @desc: 类的描述,是我们前置通知的直接实现类,用于描述我们的前置通知对象,真正调用的对象
 *       本类使用的设计模式使我们的【适配器模式】
* @author: xsls
* @createDate: 2019/7/30 15:45
* @version: 1.0
*/
@SuppressWarnings("serial")
public class AspectJMethodBeforeAdvice extends AbstractAspectJAdvice implements MethodBeforeAdvice, Serializable {

	public AspectJMethodBeforeAdvice(
			Method aspectJBeforeAdviceMethod, AspectJExpressionPointcut pointcut, AspectInstanceFactory aif) {

		super(aspectJBeforeAdviceMethod, pointcut, aif);
	}

	/**
	 * 方法实现说明:执行我们的前置通知
	 * @author:xsls
	 * @param method 传入进来的方法对象
	 * @param args:入参
	 * @param target:目标对象
	 * @return: void
	 * @exception:
	 * @date:2019/7/30 15:51
	 */
	@Override
	public void before(Method method, Object[] args, @Nullable Object target) throws Throwable {
		invokeAdviceMethod(getJoinPointMatch(), null, null);
	}

	@Override
	public boolean isBeforeAdvice() {
		return true;
	}

	@Override
	public boolean isAfterAdvice() {
		return false;
	}

}
