spring-aop

问题 I tried to keep the title as explicit and simple as possible. Basically, I need to intercept the usage of Cloud stream's @Input and @Output annotations. This is needed to automatically add a specific ChannelInterceptor to each MessageChannel. (The behaviour in the preSend method will be slightly different whether the message has been produced or consumed). For example, if I declare this advice @Around("@annotation(org.springframework.cloud.stream.annotation.Input)") public Object

问题 I tried to keep the title as explicit and simple as possible. Basically, I need to intercept the usage of Cloud stream's @Input and @Output annotations. This is needed to automatically add a specific ChannelInterceptor to each MessageChannel. (The behaviour in the preSend method will be slightly different whether the message has been produced or consumed). For example, if I declare this advice @Around("@annotation(org.springframework.cloud.stream.annotation.Input)") public Object

问题 I annotate my spring boot controller some functions with a custom annotation for logging purpose. However, I find the before advice is executed twice for nested methods. Looking for some idea here. Please refer to the code snippets below. Controller @RequestMapping(value = "apply") @OperationMILog public ApplyHttpResponse apply(@RequestHeader final String custId, @RequestAttribute final String cardNo, @RequestBody final InstallmentApplyHttpRequest installApplyReq, @PathVariable final String

问题 My question relates to Spring's AspectJ mode and especially how to enable it for: Transaction management Caching 1) I noticed that in order to enable the AspectJ mode for transaction management, I only had to do the following: @Configuration @EnableTransactionManagement(mode = AdviceMode.ASPECTJ) 2) Whereas in order to use AspectJ mode for caching it seems one has to: -Put the following jar into Tomcat's lib directory: org.springframework:spring-instrument-tomcat -Add the following line in

问题 I have a ResourceAspect class: //@Component @Aspect public class ResourceAspect { @Before("execution(public * *(..))") public void resourceAccessed() { System.out.println("Resource Accessed"); } } Here is my Application class: @SpringBootApplication public class Application { public static void main(String[] args) { SpringApplication springApplication = new SpringApplication(Application.class); springApplication.run(args); } } The dependencies that are being used inside the project are:

问题 I get this error when I try run my project. After many hours of search I found out why this happens, but I have no idea how to exclude one from exporting the package. java.lang.module.ResolutionException: Modules spring.aop and aopalliance export package org.aopalliance.intercept to module spring.beans It is my first time with Spring in general (I need JPA for CRUD I'm working now with Hibernate). I used Intellij IDEA's "Add Framework..." function in order to add Spring Data JPA. My Maven pom

问题 I get this error when I try run my project. After many hours of search I found out why this happens, but I have no idea how to exclude one from exporting the package. java.lang.module.ResolutionException: Modules spring.aop and aopalliance export package org.aopalliance.intercept to module spring.beans It is my first time with Spring in general (I need JPA for CRUD I'm working now with Hibernate). I used Intellij IDEA's "Add Framework..." function in order to add Spring Data JPA. My Maven pom

问题 when run the application, it throws IllegalAccessError，Application run failed here is demo aop、service、annotation used，a simple annotation and @Before advice，also enable @EnableAspectJAutoProxy @Target({ElementType.TYPE, ElementType.METHOD}) @Retention(RetentionPolicy.RUNTIME) public @interface MethodInterceptAnnotation { } @Component @Aspect public class MethodInterceptAop { @Before("@target(com.example.demo.aop.MethodInterceptAnnotation)") public void beforeCheck() { System.out.println(

问题 I have a working AOP (when using inside the project it is written in) but when I build this project (maven install), and use that JAR in another project, and try to use the @TimedLog annotation, nothing happens. I try to breakpoint into it, but it doesn't reach there. It looks like this: @Retention(RetentionPolicy.RUNTIME) @Target(ElementType.METHOD) public @interface TimedLog { boolean shouldAttachMethodArgs() default false; boolean shouldAttachReturnValue() default false; String message()

问题 I have a requirement now, that is when using mybatis(especially those batch execute sql), check parameter first , if the parameter is null or empty , then just return, don't proceed and if the return type is List,eg. List<User> getByIds(List<Long> idList) return empty ArrayList, if the return type is void: void batchInsert(List<User>) return null. The purpose is to avoid this situation, eg. select * from user where id in () insert into user(name,email) values () but from joinPoint I can't get