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BikrajiBikraji
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Added Spring-Aop Tutorials example
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‎pom.xml‎

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<module>spring-core-beanpostprocessor</module>
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<module>spring-core-environment-abstraction</module>
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<module>spring-core-events</module>
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<module>spring-mvc-00-getting-started</module>
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<module>spring-aop-01-@Before</module>
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<module>spring-aop-02-combine-joinpoints</module>
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<module>spring-aop-03-@AfterReturning</module>
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<module>spring-aop-04-@AfterThrowing</module>
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<module>spring-aop-05-@After</module>
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<module>spring-aop-06-@Around</module>
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<module>spring-aop-07-ordering-advice</module>
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<module>spring-aop-08-advice-parameters</module>
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<module>spring-aop-09-custom-annotation</module>
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<module>spring-aop-10-inter-type-declarations</module>
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</modules>
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<properties>
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<!-- JDK Version -->
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<maven.compiler.target>1.8</maven.compiler.target>
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<maven.compiler.source>1.8</maven.compiler.source>
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<java.version>1.8</java.version>
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<maven.compiler.target>11</maven.compiler.target>
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<maven.compiler.source>11</maven.compiler.source>
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<java.version>11</java.version>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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</project>

‎spring-aop-01-@Before/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>spring-framework-tutorial-parent</artifactId>
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<groupId>com.jstobigdata</groupId>
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<version>1.0-SNAPSHOT</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>spring-aop-01-@Before</artifactId>
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<description>Spring AOP - @Before advice example</description>
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<dependencies>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-core</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-context</artifactId>
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</dependency>
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<!-- Step-1 Add the dependencies -->
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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.aspectj</groupId>
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<artifactId>aspectjweaver</artifactId>
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</dependency>
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<!-- Test Dependencies-->
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter-api</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter-engine</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-test</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>com.jstobigdata</groupId>
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<artifactId>spring-tutorial-boms</artifactId>
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<type>pom</type>
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<scope>import</scope>
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<version>1.0-SNAPSHOT</version>
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</dependency>
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</dependencies>
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</dependencyManagement>
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<!-- To get rid of JUnit-5 exception https://stackoverflow.com/questions/36427868/ -->
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-surefire-plugin</artifactId>
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<version>3.0.0-M3</version>
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</plugin>
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</plugins>
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</build>
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</project>

‎spring-aop-01-@Before/src/main/java/c/jbd/saop/gettingstarted/aspect/BeforeAdvice.java‎

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package c.jbd.saop.gettingstarted.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.springframework.context.annotation.Configuration;
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@Configuration
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@Aspect //Important to say this is a Aspect config class
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public class BeforeAdvice {
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//execution(RETURN_TYPE PACKAGE.CLASS.METHOD(..PARAMETER_LIST))
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//execution(* PACKAGE.*.*(..))
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/**
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* Before Interceptor all Repository add() method.
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*
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* @param joinPoint
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*/
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@Before("execution(* c.jbd.saop.gettingstarted.dao.*.add(..))")
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public void allRepoAddMethods(JoinPoint joinPoint) {
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System.out.println("Intercepted method: " + joinPoint);
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System.out.println("Arguments: " + joinPoint.getArgs()[0]);
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System.out.println(joinPoint.getTarget());
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}
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@Before("execution(* c.jbd.saop.gettingstarted.dao.*.*(..))")
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public void allClassAnyMethod(JoinPoint joinPoint) {
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System.out.println("Intercepted method: " + joinPoint);
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System.out.println("Arguments: " + joinPoint.getArgs()[0]);
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System.out.println(joinPoint.getTarget());
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}
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}

‎spring-aop-01-@Before/src/main/java/c/jbd/saop/gettingstarted/config/ApplicationConfig.java‎

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package c.jbd.saop.gettingstarted.config;
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import org.springframework.context.annotation.ComponentScan;
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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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* Getting started AppConfig.
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*/
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@Configuration
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//Step-2 - Add the annotation
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@EnableAspectJAutoProxy
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@ComponentScan("c.jbd.saop.gettingstarted")
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public class ApplicationConfig {
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}

‎spring-aop-01-@Before/src/main/java/c/jbd/saop/gettingstarted/dao/ActorRepository.java‎

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package c.jbd.saop.gettingstarted.dao;
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import org.springframework.stereotype.Repository;
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@Repository
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public class ActorRepository {
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//Add an actor
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public ActorRepository add(String actorName) {
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if (actorName == null) {
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throw new RuntimeException("actorName is null", new NullPointerException());
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}
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System.out.println("New Actor added: " + actorName);
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return this;
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}
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//Delete an actor
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public boolean delete(String actorName) {
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if (actorName == null) {
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throw new RuntimeException("actorName is null", new NullPointerException());
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}
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System.out.println("Actor deleted: " + actorName);
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return true;
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}
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}

‎spring-aop-01-@Before/src/main/java/c/jbd/saop/gettingstarted/dao/MovieRepository.java‎

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package c.jbd.saop.gettingstarted.dao;
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import org.springframework.stereotype.Repository;
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@Repository
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public class MovieRepository {
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//Add a movie method
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public MovieRepository add(String movieName) {
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if (movieName == null) {
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throw new RuntimeException("movieName is null", new NullPointerException());
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}
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System.out.println("New movie added: " + movieName);
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return this;
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}
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//Delete a movie
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public boolean delete(String movieName) {
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if (movieName == null) {
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throw new RuntimeException("movieName is null", new NullPointerException());
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}
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System.out.println("Movie deleted: " + movieName);
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return true;
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}
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}

‎spring-aop-01-@Before/src/main/java/c/jbd/saop/gettingstarted/service/MovieService.java‎

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package c.jbd.saop.gettingstarted.service;
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import c.jbd.saop.gettingstarted.dao.ActorRepository;
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import c.jbd.saop.gettingstarted.dao.MovieRepository;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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@Service
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public class MovieService {
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@Autowired
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private ActorRepository actorRepository;
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@Autowired
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private MovieRepository movieRepository;
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public void addMovie(String movieName, String... actors) {
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movieRepository.add(movieName);
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for (String actor : actors) {
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actorRepository.add(movieName);
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}
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}
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}

‎spring-aop-01-@Before/src/test/java/c/jbd/saop/gettingstarted/TestBeforeAdvice.java‎

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package c.jbd.saop.gettingstarted;
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import c.jbd.saop.gettingstarted.config.ApplicationConfig;
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import c.jbd.saop.gettingstarted.dao.ActorRepository;
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import c.jbd.saop.gettingstarted.dao.MovieRepository;
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import org.junit.jupiter.api.Assertions;
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import org.junit.jupiter.api.Test;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
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@SpringJUnitConfig(ApplicationConfig.class)
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public class TestBeforeAdvice {
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@Autowired
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private ActorRepository actorRepository;
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@Autowired
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private MovieRepository movieRepository;
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@Test
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public void notNull() {
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Assertions.assertNotNull(actorRepository);
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Assertions.assertNotNull(movieRepository);
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}
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@Test
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public void testAddAspects() {
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actorRepository.add("Hrithik Roshan");
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movieRepository.add("Sholey");
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}
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@Test
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public void testDeleteAspects() {
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actorRepository.delete("John Doe");
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movieRepository.delete("Abc");
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}
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}

‎spring-aop-02-combine-joinpoints/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>spring-framework-tutorial-parent</artifactId>
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<groupId>com.jstobigdata</groupId>
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<version>1.0-SNAPSHOT</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>spring-aop-02-combine-joinpoints</artifactId>
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<description>This tutorial is about combining Pointcuts and reusing them in Spring-AOP</description>
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<dependencies>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-core</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-context</artifactId>
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</dependency>
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<!-- Step-1 Add the dependencies -->
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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.aspectj</groupId>
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<artifactId>aspectjweaver</artifactId>
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</dependency>
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<!-- Test Dependencies-->
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter-api</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter-engine</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-test</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>com.jstobigdata</groupId>
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<artifactId>spring-tutorial-boms</artifactId>
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<type>pom</type>
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<scope>import</scope>
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<version>1.0-SNAPSHOT</version>
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</dependency>
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</dependencies>
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</dependencyManagement>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-surefire-plugin</artifactId>
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<version>3.0.0-M3</version>
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</plugin>
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</plugins>
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</build>
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</project>

‎spring-aop-02-combine-joinpoints/src/main/java/c/jbd/saop/cjp/ApplicationConfig.java‎

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package c.jbd.saop.cjp;
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import org.springframework.context.annotation.ComponentScan;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.EnableAspectJAutoProxy;
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@Configuration
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@EnableAspectJAutoProxy
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@ComponentScan("c.jbd.saop.cjp")
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public class ApplicationConfig {
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}

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