spring0522 | 对象统一由spring管理,可以指定它是多例还是单例子,在需要注入的地方可以指定各种注入方式 | Aspect Oriented library

 by   lsx1014426766 Java Version: Current License: No License

kandi X-RAY | spring0522 Summary

kandi X-RAY | spring0522 Summary

spring0522 is a Java library typically used in Programming Style, Aspect Oriented applications. spring0522 has no bugs, it has no vulnerabilities and it has low support. However spring0522 build file is not available. You can download it from GitHub.

对象统一由spring管理,可以指定它是多例还是单例子,在需要注入的地方可以指定各种注入方式 首先从大方面就可以区分为xml配置和注解2种方式,然后具体到操作的时候,可以再指定各种属性 bean autowire="byType" 默認值为“default” 常用的byName,byType byType只能同类型的有一个bean 否则spring不知道该取哪一个 byName spring会按照bean的name值去匹配对象属性的名字 我不想单独给每个bean写自动注入怎么办?在beans这个最外层的标签去设置default-autowire="no" 默认是不自动注入. tx 关于事务:事务的出发点就已经说明了它存在的意义: 保证数据的完整性,原子性,一致性 ,隔离性 不论从那个角度考虑 再很多场合,尤其是并发操作时,都是很重要和由必须要考虑的事情 事务处理也是面向切面编程的一部分. 参考博客 1jdk提供的动态代理 实现方式 实现invoke方法***********. 为其它对象提供一个代理类来控制对某个对象的访问 为了保持行为的一致性,代理类和委托类通常会实现相同的接口, 所以在访问者看来两者没有丝毫的区别。通过代理类这中间一层,能有效控制对委托类对象的直接访问,也可以很好地隐藏和保护委托类对象,同时也为实施不同控制策略预留了空间,从而在设计上获得了更大的灵活性 更通俗的说,代理解决的问题当两个类需要通信时,引入第三方代理类,将两个类的关系解耦,让我们只了解代理类即可 但是切记,代理类和委托类要实现相同的接口,因为代理真正调用的还是委托类的方法。. 动态代理:在运行时选择合适的实现类 把代理类和委托类在处理时将二者关联起来, 中间 人 中介 将2个实际类之间解耦 想办法可以通过一个代理类完成全部的代理功能,那么我们就需要用动态代理 静态代理只能代理一种类型,而且是在编译器就已经确定被代理的对象。 而动态代理是在运行时,通过反射机制实现动态代理,并且能够代理各种类型的对象 jdk动态代理类只能代理接口(不支持抽象类), 代理类都需要实现InvocationHandler类,实现invoke方法。 该invoke方法就是调用被代理接口的所有方法时需要调用的, 该invoke方法返回的值是被代理接口的一个实现类. 如果我们把对外的接口都通过动态代理来实现, 那么所有的函数调用最终都会经过invoke函数的转发, 因此我们就可以在这里做一些自己想做的操作, 比如日志系统、事务、拦截器、权限控制等。 这也就是AOP(面向切面编程)的基本原理 AOP(AspectOrientedProgramming): 将日志记录,性能统计,安全控制,事务处理,异常处理等代码从业务逻辑代码中划分出来, 通过对这些行为的分离,我们希望可以将它们独立到非指导业务逻辑的方法中, 进而改变这些行为的时候不影响业务逻辑的代码---解耦. 动态代理与静态代理相比较,最大的好处是接口中声明的所有方法都被转移到调用处理器一个集中的方法中处理(InvocationHandler.invoke)。 这样,在接口方法数量比较多的时候,我们可以进行灵活处理, 而不需要像静态代理那样每一个方法进行中转。 而且动态代理的应用使我们的类职责更加单一,复用性更强. 还是存在一些问题的,代码没有整理,但意思到了,着就好比是老师教了一个算法,面对无穷的加减法 题目是永远是做不完的,我也只是把这写东西简单的罗列在了这里 其实也还是又些啰嗦的,其实是因为我在要在一个项目里掺杂着做了好几个测试,在某些方面又相互影响了 我也不想再去做整理,简化成一种后,可能会丢掉一些过程,所以就这样保留在这里了 这里也只是对知识点做了一个简单的整理 方便以后查看 其实又很多隐藏的东西,自己没有深入了解.
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            kandi-support Support

              spring0522 has a low active ecosystem.
              It has 1 star(s) with 0 fork(s). There are 2 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              spring0522 has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of spring0522 is current.

            kandi-Quality Quality

              spring0522 has no bugs reported.

            kandi-Security Security

              spring0522 has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              spring0522 does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
              OutlinedDot
              Without a license, all rights are reserved, and you cannot use the library in your applications.

            kandi-Reuse Reuse

              spring0522 releases are not available. You will need to build from source code and install.
              spring0522 has no build file. You will be need to create the build yourself to build the component from source.
              Installation instructions are not available. Examples and code snippets are available.

            Top functions reviewed by kandi - BETA

            kandi has reviewed spring0522 and discovered the below as its top functions. This is intended to give you an instant insight into spring0522 implemented functionality, and help decide if they suit your requirements.
            • Saves an object in database
            • Get the session
            • Executes the given callback as a native session
            • Invoke the proxy
            • Called before method is called
            • Saves the given log
            • Gets the hibernate template
            • Add a user
            • Set the super session factory
            • Saves user
            • Save user
            • Entry point for testing
            • Save a user
            • Persists the Log
            • Wrap a method around a method
            • Intercept the method
            • Get a bean by its id
            Get all kandi verified functions for this library.

            spring0522 Key Features

            No Key Features are available at this moment for spring0522.

            spring0522 Examples and Code Snippets

            No Code Snippets are available at this moment for spring0522.

            Community Discussions

            QUESTION

            @Recover method not intercepted by Spring AOP advice
            Asked 2021-Jun-08 at 03:45

            While writing code using Spring/Java and Aspect oriented programing, I'm facing an issue. In the service class, I have the retry method using @Retryable and a recovery method using @Recover.

            Each of these 2 methods are attached to Aspects. The Retryable method - "triggerJob" inside TestProcessService is attached to these methods in TestAspect class - beforeTestTriggerJobsAdvice, afterTestTriggerJobsAdvice, onErrorTestTriggerJobsAdvice. They all are working fine and getting triggered at the right time.

            PROBLEM STATEMENT: The Recovery method - "recover" inside TestProcessService is attached to these methods in TestAspect class - beforeRecoveryTestJobsAdvice, onErrorRecoveryTestTriggerJobsAdvice, and afterRecoveryTestTriggerJobsAdvice.

            BUT NONE OF THESE ASPECT METHODS ARE GETTING CALLED once the code reached the recover method inside TestProcessService.

            Here is the code:

            SCHEDULER CLASS (triggers the methods inside TEST_MyProcessService class at regular interval)

            ...

            ANSWER

            Answered 2021-Jun-08 at 03:45

            I am not a Spring user, but interested in all things AOP, both AspectJ and Spring AOP. I liked your little puzzle. Thanks to your MCVE, I was able to reproduce the issue and debug into it. This is a perfect example for why an MCVE is so much superior to simply posting a bunch of code snippets. So thanks for that, please keep up this way of asking questions.

            When looking at the situation in a debugger, you see that while the aspect is proceeding into triggerJob, at some point we are in method AnnotationAwareRetryOperationsInterceptor.invoke and there we have the following code:

            Source https://stackoverflow.com/questions/67810277

            QUESTION

            I get java.lang.ClassNotFoundException: org.springframework.web.context.WebApplicationContext at Tomcat webb app
            Asked 2020-Nov-13 at 12:51

            I'm trying to run a web app with maven, spring on a tomcat server in intelliji idea. And i get: Artifact crm-web:war exploded: Error during artifact deployment.

            Loggs:

            Caused by: java.lang.NoClassDefFoundError: org/springframework/web/context/WebApplicationContext Caused by: java.lang.ClassNotFoundException: org.springframework.web.context.WebApplicationContext SEVERE: Exception invoking method createStandardContext SEVERE: Exception invoking method manageApp

            Here is project structure:

            ...

            ANSWER

            Answered 2020-Nov-13 at 12:51

            I was able to solve the problem by moving all the necessary jars to the WEB-INF/lib folder. Turns out they were in a different directory

            Source https://stackoverflow.com/questions/64817490

            QUESTION

            Is it Possible to add PostSharp for dynamic compilation using c# compiler
            Asked 2020-Aug-17 at 10:26

            I am using Microsoft.CodeDom.Providers.DotNetCompilerPlatform nuget packge for compilation of code at runtime. It is achievable but in my scenario my dynamic class needs to use Postsharp for aspect oriented programming.

            Can anyone point me to the commandline support to add Postsharp dependency injection for the compiled assembly using the csc.exe, like what is done by the MSBuild or Visualstudio.

            ...

            ANSWER

            Answered 2020-Aug-17 at 10:26

            You can't easily do that with the current versions of PostSharp. The last version to have command-line execution is 5.0 and that is no longer supported.

            The problem is that PostSharp reads too many properties in MSBuild or passed to it by MSBuild.

            If it's possible for you to generate an msbuild file, you can then build it the Microsoft.Build NuGet package and have PostSharp run on the generated code that way.

            Source https://stackoverflow.com/questions/63418879

            QUESTION

            Check User Authorization with Aspect Oriented Programming in Asp.Net Core 3.1 Web Api
            Asked 2020-Mar-02 at 10:03

            I want to check user authorization in the api method.

            Method responsible for get for an employee by id. So user should render this method if the user works the same company with employee. So I mean user CompanyId should be same with the Employee CompanyId.

            Think about like this api method:

            ...

            ANSWER

            Answered 2020-Mar-02 at 10:03

            You could customize a ActionFilter like below:

            Source https://stackoverflow.com/questions/60477530

            QUESTION

            Install AspectJ Eclipse
            Asked 2020-Jan-05 at 15:41

            I'm trying to get started with aspect oriented programming. I'm using latest eclipse (currently 12-2019)

            ...

            ANSWER

            Answered 2020-Jan-05 at 14:42

            Your problem caused by the removal of org.eclipse.core.runtime.compatibility plugin from Eclipse 4.6 .

            Read more about this problem here.

            The correct solution is to:

            Install AspectJ from the correct download link.

            The most updated to Eclipse 4.10 is: http://download.eclipse.org/tools/ajdt/410/dev/update

            Another solution is to:

            1. Uninstall Eclipse.

            2. Install Eclipse 4.3 (matching your AspectJ version) .

            3. Retry AspectJ install.

            The more complex solution is:

            1. Locate and build/extract org.eclipse.core.runtime.compatibility jar file from Maven repository.

            2. Put org.eclipse.core.runtime.compatibility jar file into Eclipse plugins directory.

            3. Run eclipse in --clean mode to rebuild and register the added plugin.

            4. Retry AspectJ install.

            You might encounter more missing dependencies for org.eclipse.core.runtime.compatibility, eventually will have to load all the related plugins (long effort).

            Source https://stackoverflow.com/questions/59599688

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install spring0522

            You can download it from GitHub.
            You can use spring0522 like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the spring0522 component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .

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            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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