Merge branch 'master' of https://github.com/dhruba619/tutorials into dhruba619-master

pom.xml

@@ -24,6 +24,7 @@
     </properties>
 
     <modules>
+	<module>vertx-spring</module>
         <module>aws</module>
         <module>akka-streams</module>
         <module>algorithms</module>

vertx-spring/pom.xml

@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<groupId>com.baeldung</groupId>
+	<artifactId>vertx-spring</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<packaging>jar</packaging>
+
+	<name>vertx-spring</name>
+	<description>A demo project with vertx spring integration</description>
+
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>1.5.3.RELEASE</version>
+		<relativePath /> <!-- lookup parent from repository -->
+	</parent>
+
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+		<java.version>1.8</java.version>
+		<vertx.version>3.4.1</vertx.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+			<exclusions>
+				<exclusion>
+					<groupId>org.springframework.boot</groupId>
+					<artifactId>spring-boot-starter-tomcat</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+		<dependency>
+			<groupId>io.vertx</groupId>
+			<artifactId>vertx-core</artifactId>
+			<version>${vertx.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>io.vertx</groupId>
+			<artifactId>vertx-web</artifactId>
+			<version>${vertx.version}</version>
+		</dependency>
+
+		<dependency>
+			<groupId>com.h2database</groupId>
+			<artifactId>h2</artifactId>
+			<scope>runtime</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+
+</project>

vertx-spring/src/main/java/com/baeldung/vertxspring/VertxSpringApplication.java

@@ -0,0 +1,41 @@
+package com.baeldung.vertxspring;
+
+import javax.annotation.PostConstruct;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.autoconfigure.domain.EntityScan;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
+
+import com.baeldung.vertxspring.verticles.ServerVerticle;
+import com.baeldung.vertxspring.verticles.ServiceVerticle;
+
+import io.vertx.core.Vertx;
+
+@SpringBootApplication
+@Configuration
+@EnableJpaRepositories("com.baeldung.vertxspring.repository")
+@EntityScan("com.baeldung.vertxspring.entity")
+@ComponentScan(basePackages = { "com.baeldung" })
+public class VertxSpringApplication {
+
+    @Autowired
+    ServerVerticle serverVerticle;
+
+    @Autowired
+    ServiceVerticle serviceVerticle;
+
+    public static void main(String[] args) {
+        SpringApplication.run(VertxSpringApplication.class, args);
+    }
+
+    @PostConstruct
+    public void deployVerticle() {
+        final Vertx vertx = Vertx.vertx();
+        vertx.deployVerticle(serverVerticle);
+        vertx.deployVerticle(serviceVerticle);
+    }
+}

vertx-spring/src/main/java/com/baeldung/vertxspring/entity/Article.java

@@ -0,0 +1,46 @@
+package com.baeldung.vertxspring.entity;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+
+import org.springframework.data.annotation.PersistenceConstructor;
+
+@Entity
+public class Article {
+
+    @Id
+    private Long id;
+    private String article;
+
+    private Article() {
+    }
+
+    @PersistenceConstructor
+    public Article(Long id, String article) {
+        super();
+        this.id = id;
+        this.article = article;
+    }
+
+    @Override
+    public String toString() {
+        return "Article [id=" + id + ", article=" + article + "]";
+    }
+
+    public Long getArticleId() {
+        return id;
+    }
+
+    public void setArticleId(Long id) {
+        this.id = id;
+    }
+
+    public String getArticle() {
+        return article;
+    }
+
+    public void setArticle(String article) {
+        this.article = article;
+    }
+
+}

vertx-spring/src/main/java/com/baeldung/vertxspring/repository/ArticleRepository.java

@@ -0,0 +1,11 @@
+package com.baeldung.vertxspring.repository;
+
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.stereotype.Repository;
+
+import com.baeldung.vertxspring.entity.Article;
+
+@Repository
+public interface ArticleRepository extends CrudRepository<Article, Long> {
+
+}

vertx-spring/src/main/java/com/baeldung/vertxspring/service/ArticleService.java

@@ -0,0 +1,25 @@
+package com.baeldung.vertxspring.service;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import com.baeldung.vertxspring.entity.Article;
+import com.baeldung.vertxspring.repository.ArticleRepository;
+
+@Service
+public class ArticleService {
+
+    @Autowired
+    ArticleRepository articleRepository;
+
+    public List<Article> getAllArticle() {
+        List<Article> articles = new ArrayList<>();
+        articleRepository.findAll()
+            .forEach(articles::add);
+        return articles;
+    }
+
+}

vertx-spring/src/main/java/com/baeldung/vertxspring/util/DbBootstrap.java

@@ -0,0 +1,28 @@
+package com.baeldung.vertxspring.util;
+
+import java.util.Random;
+import java.util.UUID;
+import java.util.stream.IntStream;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.stereotype.Component;
+
+import com.baeldung.vertxspring.entity.Article;
+import com.baeldung.vertxspring.repository.ArticleRepository;
+
+@Component
+public class DbBootstrap implements CommandLineRunner {
+
+    @Autowired
+    private ArticleRepository articleRepository;
+
+    @Override
+    public void run(String... arg0) throws Exception {
+
+        IntStream.range(0, 10)
+            .forEach(count -> this.articleRepository.save(new Article(new Random().nextLong(), UUID.randomUUID()
+                .toString())));
+
+    }
+}

vertx-spring/src/main/java/com/baeldung/vertxspring/verticles/ServerVerticle.java

@@ -0,0 +1,42 @@
+package com.baeldung.vertxspring.verticles;
+
+import org.springframework.stereotype.Component;
+
+import io.vertx.core.AbstractVerticle;
+import io.vertx.ext.web.Router;
+import io.vertx.ext.web.RoutingContext;
+
+@Component
+public class ServerVerticle extends AbstractVerticle {
+
+    private void getAllArticlesHandler(RoutingContext routingContext) {
+        vertx.eventBus()
+            .<String> send(ServiceVerticle.GET_ALL_ARTICLES, "", result -> {
+                if (result.succeeded()) {
+                    routingContext.response()
+                        .putHeader("content-type", "application/json")
+                        .setStatusCode(200)
+                        .end(result.result()
+                            .body());
+                } else {
+                    routingContext.response()
+                        .setStatusCode(500)
+                        .end();
+                }
+            });
+    }
+
+    @Override
+    public void start() throws Exception {
+        super.start();
+
+        Router router = Router.router(vertx);
+        router.get("/api/baeldung/articles")
+            .handler(this::getAllArticlesHandler);
+
+        vertx.createHttpServer()
+            .requestHandler(router::accept)
+            .listen(config().getInteger("http.port", 8080));
+    }
+
+}

vertx-spring/src/main/java/com/baeldung/vertxspring/verticles/ServiceVerticle.java

@@ -0,0 +1,49 @@
+package com.baeldung.vertxspring.verticles;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import com.baeldung.vertxspring.service.ArticleService;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import io.vertx.core.AbstractVerticle;
+import io.vertx.core.Handler;
+import io.vertx.core.eventbus.Message;
+import io.vertx.core.json.Json;
+
+@Component
+public class ServiceVerticle extends AbstractVerticle {
+
+    public static final String GET_ALL_ARTICLES = "get.artilces.all";
+
+    @Autowired
+    private ArticleService articleService;
+    private final ObjectMapper mapper = Json.mapper;
+
+    @Override
+    public void start() throws Exception {
+        super.start();
+        vertx.eventBus()
+            .<String> consumer(GET_ALL_ARTICLES)
+            .handler(getAllArticleService(articleService));
+    }
+
+    private Handler<Message<String>> getAllArticleService(ArticleService service) {
+        return msg -> vertx.<String> executeBlocking(future -> {
+            try {
+                future.complete(mapper.writeValueAsString(service.getAllArticle()));
+            } catch (JsonProcessingException e) {
+                System.out.println("Failed to serialize result");
+                future.fail(e);
+            }
+        } , result -> {
+            if (result.succeeded()) {
+                msg.reply(result.result());
+            } else {
+                msg.reply(result.cause()
+                    .toString());
+            }
+        });
+    }
+}

vertx-spring/src/main/resources/conf/conf.json

@@ -0,0 +1,3 @@
+{
+ "http.port":8080	
+}

vertx-spring/src/test/java/com/baeldung/vertxspring/VertxSpringApplicationTests.java

@@ -0,0 +1,26 @@
+package com.baeldung.vertxspring;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.http.ResponseEntity;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringBootTest
+public class VertxSpringApplicationTests {
+
+    private TestRestTemplate restTemplate = new TestRestTemplate();
+
+    @Test
+    public void givenUrl_whenReceivedArticles_thenSuccess() {
+        ResponseEntity<String> responseEntity = restTemplate.getForEntity("http://localhost:8080/api/baeldung/articles", String.class);
+        assertEquals(200, responseEntity.getStatusCodeValue());
+    }
+
+}
+
+