From 74c7f57fc8cd1c1e8202bee066ae6ad4bcb1738d Mon Sep 17 00:00:00 2001 From: linlei Date: Mon, 29 Apr 2024 14:43:13 +0800 Subject: [PATCH] =?UTF-8?q?AdvisorChainFactory=E4=BC=98=E5=8C=96?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../spring-aop-advisorChainFactory/README.md | 44 ++++++++++--------- .../xcs/spring/AdvisorChainFactoryDemo.java | 2 +- .../main/java/com/xcs/spring/MyService.java | 4 +- .../spring-aop-aopProxyFactory/README.md | 6 +-- 4 files changed, 29 insertions(+), 27 deletions(-) diff --git a/spring-aop/spring-aop-advisorChainFactory/README.md b/spring-aop/spring-aop-advisorChainFactory/README.md index b7b1a23..8a2dbee 100644 --- a/spring-aop/spring-aop-advisorChainFactory/README.md +++ b/spring-aop/spring-aop-advisorChainFactory/README.md @@ -1,14 +1,14 @@ ## AdvisorChainFactory -- [AdvisorChainFactory](#AdvisorChainFactory) +- [AdvisorChainFactory](#advisorchainfactory) - [一、基本信息](#一基本信息) - [二、基本描述](#二基本描述) - [三、主要功能](#三主要功能) - [四、接口源码](#四接口源码) - [五、主要实现](#五主要实现) - - [六、最佳实践](#六最佳实践) - - [七、源码分析](#七源码分析) - - [八、常见问题](#八常见问题) + - [六、类关系图](#六类关系图) + - [七、最佳实践](#七最佳实践) + - [八、源码分析](#八源码分析) ### 一、基本信息 @@ -62,7 +62,21 @@ public interface AdvisorChainFactory { + 负责根据给定的AOP配置、被代理的方法和目标类，确定应该应用哪些拦截器，并支持动态方法匹配和缓存机制，以提供高效的顾问链创建功能 -### 六、最佳实践 +### 六、类关系图 + +~~~mermaid +classDiagram +direction BT +class AdvisorChainFactory { +<> + +} +class DefaultAdvisorChainFactory + +DefaultAdvisorChainFactory ..> AdvisorChainFactory +~~~ + +### 七、最佳实践 使用`DefaultAdvisorChainFactory`类来创建Advisor链。首先，创建了一个`AdvisedSupport`对象，配置了前置通知和后置返回通知。然后，指定了目标类和目标方法。接着，实例化了`DefaultAdvisorChainFactory`类，并调用其`getInterceptorsAndDynamicInterceptionAdvice()`方法获取Advisor链。最后，打印了Advisor链中的拦截器。 @@ -79,7 +93,7 @@ public class AdvisorChainFactoryDemo { // 设置目标类 Class targetClass = MyService.class; // 获取目标方法 - Method method = targetClass.getDeclaredMethod("doSomething"); + Method method = targetClass.getDeclaredMethod("foo"); // 创建默认的Advisor链工厂实例 DefaultAdvisorChainFactory chainFactory = new DefaultAdvisorChainFactory(); @@ -98,10 +112,12 @@ org.springframework.aop.framework.adapter.MethodBeforeAdviceInterceptor@215be6bb org.springframework.aop.framework.adapter.AfterReturningAdviceInterceptor@4439f31e ``` -### 七、源码分析 +### 八、源码分析 `DefaultAdvisorChainFactory`类。它提供了一种简单但确定的方法，根据给定的`Advised`对象，在方法级别确定通知链的构建顺序。通过遍历配置的Advisor数组，并根据Advisor的类型和Pointcut来确定应该应用哪些拦截器，最终返回一个拦截器列表。在此过程中，它支持动态方法匹配和引入拦截器的处理，并提供了一个缓存机制来提高性能。 +[AdvisorAdapterRegistry源码分析](../spring-aop-advisorAdapterRegistry/README.md) + ```java /** * 给定一个 {@link Advised} 对象，为一个方法确定一个通知链的简单但确定的方法。总是重新构建每个通知链； @@ -200,17 +216,3 @@ public class DefaultAdvisorChainFactory implements AdvisorChainFactory, Serializ } ``` - -### 八、常见问题 - -1. **拦截器未被正确应用** - - + 如果`AdvisorChainFactory`未正确构建Advisor链，可能会导致拦截器未按预期应用于目标方法。 - -2. **动态方法匹配错误** - - + 如果动态方法匹配器（DynamicMethodMatcher）未正确配置或应用，可能会导致拦截器未在预期条件下执行。 - -3. **引入拦截器未生效** - - + 如果引入拦截器（IntroductionInterceptor）未被正确添加到Advisor链中，可能会导致引入功能无法正常工作。 \ No newline at end of file diff --git a/spring-aop/spring-aop-advisorChainFactory/src/main/java/com/xcs/spring/AdvisorChainFactoryDemo.java b/spring-aop/spring-aop-advisorChainFactory/src/main/java/com/xcs/spring/AdvisorChainFactoryDemo.java index 11a0c40..bade754 100644 --- a/spring-aop/spring-aop-advisorChainFactory/src/main/java/com/xcs/spring/AdvisorChainFactoryDemo.java +++ b/spring-aop/spring-aop-advisorChainFactory/src/main/java/com/xcs/spring/AdvisorChainFactoryDemo.java @@ -18,7 +18,7 @@ public class AdvisorChainFactoryDemo { // 设置目标类 Class targetClass = MyService.class; // 获取目标方法 - Method method = targetClass.getDeclaredMethod("doSomething"); + Method method = targetClass.getDeclaredMethod("foo"); // 创建默认的Advisor链工厂实例 DefaultAdvisorChainFactory chainFactory = new DefaultAdvisorChainFactory(); diff --git a/spring-aop/spring-aop-advisorChainFactory/src/main/java/com/xcs/spring/MyService.java b/spring-aop/spring-aop-advisorChainFactory/src/main/java/com/xcs/spring/MyService.java index 1bfa4fe..b4047e7 100644 --- a/spring-aop/spring-aop-advisorChainFactory/src/main/java/com/xcs/spring/MyService.java +++ b/spring-aop/spring-aop-advisorChainFactory/src/main/java/com/xcs/spring/MyService.java @@ -2,7 +2,7 @@ package com.xcs.spring; public class MyService { - public void doSomething(){ - System.out.println("doSomething"); + public void foo() { + System.out.println("foo..."); } } diff --git a/spring-aop/spring-aop-aopProxyFactory/README.md b/spring-aop/spring-aop-aopProxyFactory/README.md index 9102edc..f1f7032 100644 --- a/spring-aop/spring-aop-aopProxyFactory/README.md +++ b/spring-aop/spring-aop-aopProxyFactory/README.md @@ -1,13 +1,13 @@ ## AopProxyFactory - - [AopProxyFactory](#aopproxyfactory) - [一、基本信息](#一基本信息) - [二、基本描述](#二基本描述) - [三、主要功能](#三主要功能) - [四、接口源码](#四接口源码) - [五、主要实现](#五主要实现) - - [六、最佳实践](#六最佳实践) - - [七、源码分析](#七源码分析) + - [六、类关系图](#六类关系图) + - [七、最佳实践](#七最佳实践) + - [八、源码分析](#八源码分析) ### 一、基本信息