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emeraldjavaemeraldjava
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Add 3 interfaces and aspects.
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‎spring-aop/pom.xml‎

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<name>spring-aop</name>
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<description>spring-aop</description>
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<properties>
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<java.version>17</java.version>
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<java.version>11</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-aop</artifactId>
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</dependency>
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<!-- <dependency>-->
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<!-- <groupId>org.springframework</groupId>-->
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<!-- <artifactId>spring-aop</artifactId>-->
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<!-- </dependency>-->
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<!-- <dependency>-->
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<!-- <groupId>org.springframework</groupId>-->
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<!-- <artifactId>spring-aspects</artifactId>-->
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<!-- </dependency>-->
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<dependency>
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<groupId>org.springframework.boot</groupId>

‎spring-aop/readme.md‎

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# Spring AOP
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https://reflectoring.io/aop-spring/
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https://github.com/eugenp/tutorials/tree/master/spring-aop
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https://www.baeldung.com/spring-aop
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https://www.baeldung.com/spring-aop-vs-aspectj
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https://jstobigdata.com/spring/pointcut-expressions-in-spring-aop/
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‎spring-aop/src/main/java/com/github/emeraldjava/springaop/SpringAopApplication.java‎

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package com.github.emeraldjava.springaop;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
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import org.springframework.boot.autoconfigure.jdbc.DataSourceTransactionManagerAutoConfiguration;
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import org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration;
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@SpringBootApplication
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@SpringBootApplication(exclude = {
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DataSourceAutoConfiguration.class,
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DataSourceTransactionManagerAutoConfiguration.class,
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HibernateJpaAutoConfiguration.class})
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public class SpringAopApplication {
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public static void main(String[] args) {

‎spring-aop/src/main/java/com/github/emeraldjava/springaop/aspect/LoggingAspect.java‎

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package com.github.emeraldjava.springaop.aspect;
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import org.aspectj.lang.JoinPoint;
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import org.aspectj.lang.annotation.Aspect;
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import org.aspectj.lang.annotation.Before;
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import org.aspectj.lang.annotation.Pointcut;
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import org.springframework.stereotype.Component;
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@Component
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@Aspect
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public class LoggingAspect {
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@Pointcut("execution(* com.github.emeraldjava.springaop.service.IBillNoArgs.createBill())")
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public void logPointcutNoArgs() {}
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@Before("logPointcutNoArgs()")
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public void logMethodCallsWithArgsAdvice() {
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System.out.println("In Aspect from logPointcutNoArgs");
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}
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}
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‎spring-aop/src/main/java/com/github/emeraldjava/springaop/aspect/LoggingAspectWithArg.java‎

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package com.github.emeraldjava.springaop.aspect;
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import org.aspectj.lang.JoinPoint;
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import org.aspectj.lang.annotation.Aspect;
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import org.aspectj.lang.annotation.Before;
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import org.aspectj.lang.annotation.Pointcut;
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import org.springframework.stereotype.Component;
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@Component
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@Aspect
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public class LoggingAspectWithArg {
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@Pointcut("execution(* com.github.emeraldjava.springaop.service.IBillArgs.createBill(*))")
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public void logPointcutArgs() {}
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/**
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*
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* https://reflectoring.io/aop-spring/
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* @param joinPoint
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*/
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@Before("logPointcutArgs()")
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public void logMethodCallsWithArgsAdvice(JoinPoint joinPoint) {
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System.out.println("In Aspect from logPointcutArgs "+joinPoint.getSignature().getName());
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System.out.println("arg "+joinPoint.getArgs()[0]);
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}
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}
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‎spring-aop/src/main/java/com/github/emeraldjava/springaop/aspect/LoggingAspectWithArgException.java‎

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package com.github.emeraldjava.springaop.aspect;
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import org.aspectj.lang.JoinPoint;
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import org.aspectj.lang.annotation.Aspect;
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import org.aspectj.lang.annotation.Before;
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import org.aspectj.lang.annotation.Pointcut;
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import org.springframework.stereotype.Component;
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@Component
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@Aspect
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public class LoggingAspectWithArgException {
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@Pointcut("execution(* com.github.emeraldjava.springaop.service.IBillArgsException.createBillEx(*))")
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public void logPointcutArgsException() {}
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@Before("logPointcutArgsException()")
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public void logMethodCallsWithArgsAdvice(JoinPoint joinPoint) {
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System.out.println("In Aspect from logPointcutArgsException "+joinPoint.getSignature().getName());
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System.out.println("arg "+joinPoint.getArgs()[0]);
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}
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}
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‎spring-aop/src/main/java/com/github/emeraldjava/springaop/config/AspectConfig.java‎

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package com.github.emeraldjava.springaop.config;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.EnableAspectJAutoProxy;
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/**
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*
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* See https://docs.spring.io/spring-framework/docs/4.3.15.RELEASE/spring-framework-reference/html/aop.html
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*/
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@Configuration
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@EnableAspectJAutoProxy
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public class AspectConfig {
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}

‎spring-aop/src/main/java/com/github/emeraldjava/springaop/service/IBillArgs.java‎

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package com.github.emeraldjava.springaop.service;
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public interface IBillArgs {
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void createBill(Long id);
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}

‎spring-aop/src/main/java/com/github/emeraldjava/springaop/service/IBillArgsException.java‎

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package com.github.emeraldjava.springaop.service;
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public interface IBillArgsException {
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void createBillEx(Long id) throws Exception;
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}

‎spring-aop/src/main/java/com/github/emeraldjava/springaop/service/IBillNoArgs.java‎

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package com.github.emeraldjava.springaop.service;
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public interface IBillNoArgs {
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void createBill();
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}

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