aop

Unclear advice precedence when combining before-, around- and after-advice operating on same joinpoint in one aspect

由 不羁的心 提交于 2021-01-04 07:20:05
问题 Please consider this simple Java-code public class Application { public void m(int i) { System.out.println("M with argument " + i ); } public static void main(String[] arg) { Application t = new Application(); t.m(25); } } I have defined the following Aspect to operate on this class: public aspect Basics { public void output(String tag, Object o) { System.out.println(tag + ": " + o); } pointcut callM(int i): call(void Application.m(int)) && args(i); before(int i): callM(i) { output("before M"

Unclear advice precedence when combining before-, around- and after-advice operating on same joinpoint in one aspect

由 ≡放荡痞女 提交于 2021-01-04 07:19:58
问题 Please consider this simple Java-code public class Application { public void m(int i) { System.out.println("M with argument " + i ); } public static void main(String[] arg) { Application t = new Application(); t.m(25); } } I have defined the following Aspect to operate on this class: public aspect Basics { public void output(String tag, Object o) { System.out.println(tag + ": " + o); } pointcut callM(int i): call(void Application.m(int)) && args(i); before(int i): callM(i) { output("before M"

Unclear advice precedence when combining before-, around- and after-advice operating on same joinpoint in one aspect

由 早过忘川 提交于 2021-01-04 07:19:55
问题 Please consider this simple Java-code public class Application { public void m(int i) { System.out.println("M with argument " + i ); } public static void main(String[] arg) { Application t = new Application(); t.m(25); } } I have defined the following Aspect to operate on this class: public aspect Basics { public void output(String tag, Object o) { System.out.println(tag + ": " + o); } pointcut callM(int i): call(void Application.m(int)) && args(i); before(int i): callM(i) { output("before M"

Specifying the order of proxy creation in Spring

由 浪子不回头ぞ 提交于 2021-01-03 05:27:34
问题 I have a Spring Application where I have the following skeleton class class ServiceCaller { public Result callService() { //call a remote service } } Since calling a remote service is an expensive operation, I added caching in my application. I used EhCache Spring annotations @Cacheable and applied it to the callService() method. Everything was working fine and my Result objects were getting correctly cached. Later I wanted to add a logger across all my ServiceCaller s such that my logger

Can postsharp aspects be used on website projects?

由 泄露秘密 提交于 2020-12-12 11:39:07
问题 I'm trying to use a PostSharp aspect in a website project in VS2012. It seems to work fine when I set up a web application project, but when I apply the aspect attribute to a method on a page in the website project it compiles and runs fine, but my OnMethodBoundaryAspect never gets hit. I tried setting breakpoints and logging from the aspect methods. Does PostSharp support website projects? if so, what am I missing? Please no comments about why I want to use a website instead of a web app.

Spring AOP + JPARepository

由 China☆狼群 提交于 2020-11-30 12:46:26
问题 I'm using Spring Data in my project. So, I need to intercept some methods (save and delete) only from some entities only. I tried to configure the pointcut for my own repositories interfaces, but without success. The methods wasn't intercepted. So, I found a solution that was to try to use the Spring CrudRepository interfaces into my pointcup. @Aspect @Component @Configurable public class AuditLogAspect { @Pointcut("execution(* org.springframework.data.repository.CrudRepository+.save(*)) || "

What ever happened to Aspect Oriented Programming? [closed]

由 六月ゝ 毕业季﹏ 提交于 2020-11-30 07:58:24
问题 Closed . This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 6 years ago . Improve this question I remember that in the late 1990s and early 2000s Aspect Oriented Programming (AOP) was supposed to be the "Next Big Thing". Nowadays I see some AOP still around, but it seems to have faded into the background. 回答1: There has maybe been a lot of hype in

Spring AOP

由 前提是你 提交于 2020-11-21 11:05:38
9. Spring AOP：切面 之前谈到的 AOP 框架其实可以将它理解为一个拦截器框架，但这个拦截器似乎非常武断。比如说，如果它拦截了一个类，那么它就拦截了这个类中所有的方法。类似地，当我们在使用动态代理的时候，其实也遇到了这个问题。需要在代码中对所拦截的方法名加以判断，才能过滤出我们需要拦截的方法，想想这种做法确实不太优雅。在大量的真实项目中，似乎我们只需要拦截特定的方法就行了，没必要拦截所有的方法。于是，老罗同志借助了 AOP 的一个很重要的工具， Advisor（切面） ，来解决这个问题。它也是 AOP 中的核心！是我们关注的重点！ 也就是说，我们可以通过切面，将增强类与拦截匹配条件组合在一起，然后将这个切面配置到 ProxyFactory 中，从而生成代理。 这里提到这个“拦截匹配条件”在 AOP 中就叫做 Pointcut（切点） ，其实 说白了就是一个基于表达式的拦截条件罢了。 归纳一下，Advisor（切面）封装了 Advice（增强）与 Pointcut（切点 ）。当您理解了这句话后，就往下看吧。 我在 GreetingImpl 类中故意增加了两个方法，都以“good”开头。下面要做的就是拦截这两个新增的方法，而对 sayHello() 方法不作拦截。 @Component public class GreetingImpl implements
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