JAVA-15787 Moved spring-rector and spring-webflux-amqp to spring-reactive-modules

2022-11-24 20:32:23 +05:30
parent 398e32e75a
commit 979f49067b
25 changed files with 3 additions and 5 deletions
@@ -27,6 +27,8 @@
        <module>spring-5-reactive-security</module>
        <module>spring-reactive</module>
        <module>spring-reactive-exceptions</module>
+        <module>spring-reactor</module>
+        <module>spring-webflux-amqp</module>
    </modules>

    <build>
@@ -62,4 +64,4 @@
    <properties>
    </properties>

-</project>
+</project>
@@ -0,0 +1,7 @@
+## Spring Reactor
+
+This module contains articles about Spring Reactor
+
+## Relevant articles:
+
+- [Introduction to Project Reactor Bus](https://www.baeldung.com/reactor-bus)
@@ -0,0 +1,45 @@
+<?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/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>spring-reactor</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <name>spring-reactor</name>
+    <packaging>jar</packaging>
+    <url>http://maven.apache.org</url>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-boot-2</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../parent-boot-2</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.projectreactor</groupId>
+            <artifactId>reactor-bus</artifactId>
+            <version>${reactor.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.projectreactor</groupId>
+            <artifactId>reactor-core</artifactId>
+            <version>${reactor.version}</version>
+        </dependency>
+    </dependencies>
+
+    <properties>
+        <spring-cloud-sleuth.version>2.0.2.RELEASE</spring-cloud-sleuth.version>
+        <reactor.version>2.0.8.RELEASE</reactor.version>
+    </properties>
+
+</project>
@@ -0,0 +1,20 @@
+package com.baeldung.reactorbus;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import reactor.Environment;
+import reactor.bus.EventBus;
+
+@Configuration
+public class Config {
+
+    @Bean
+    public Environment env() {
+        return Environment.initializeIfEmpty().assignErrorJournal();
+    }
+
+    @Bean
+    public EventBus createEventBus(Environment env) {
+        return EventBus.create(env, Environment.THREAD_POOL);
+    }
+}
@@ -0,0 +1,29 @@
+package com.baeldung.reactorbus;
+
+import com.baeldung.reactorbus.consumer.NotificationConsumer;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import reactor.bus.EventBus;
+
+import static reactor.bus.selector.Selectors.$;
+
+@SpringBootApplication
+public class NotificationApplication implements CommandLineRunner {
+
+    @Autowired
+    private EventBus eventBus;
+
+    @Autowired
+    private NotificationConsumer notificationConsumer;
+
+    @Override
+    public void run(String... args) throws Exception {
+        eventBus.on($("notificationConsumer"), notificationConsumer);
+    }
+
+    public static void main(String[] args) {
+        SpringApplication.run(NotificationApplication.class, args);
+    }
+}
@@ -0,0 +1,29 @@
+package com.baeldung.reactorbus.consumer;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import com.baeldung.reactorbus.domain.NotificationData;
+import com.baeldung.reactorbus.service.NotificationService;
+
+import reactor.bus.Event;
+import reactor.fn.Consumer;
+
+@Service
+public class NotificationConsumer implements Consumer<Event<NotificationData>> {
+
+    @Autowired
+    private NotificationService notificationService;
+
+    @Override
+    public void accept(Event<NotificationData> notificationDataEvent) {
+
+        NotificationData notificationData = notificationDataEvent.getData();
+        try {
+            notificationService.initiateNotification(notificationData);
+        } catch (InterruptedException e) {
+        }
+
+    }
+
+}
@@ -0,0 +1,34 @@
+package com.baeldung.reactorbus.controller;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.baeldung.reactorbus.domain.NotificationData;
+
+import reactor.bus.Event;
+import reactor.bus.EventBus;
+
+@RestController
+public class NotificationController {
+
+    @Autowired
+    private EventBus eventBus;
+
+    @GetMapping("/startNotification/{param}")
+    public void startNotification(@PathVariable Integer param) {
+
+        for (int i = 0; i < param; i++) {
+
+            NotificationData data = new NotificationData();
+            data.setId(i);
+
+            eventBus.notify("notificationConsumer", Event.wrap(data));
+
+            System.out.println("Notification " + i + ": notification task submitted successfully");
+        }
+
+    }
+
+}
@@ -0,0 +1,42 @@
+package com.baeldung.reactorbus.domain;
+
+public class NotificationData {
+
+    private long id;
+    private String name;
+    private String email;
+    private String mobile;
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+    public String getMobile() {
+        return mobile;
+    }
+
+    public void setMobile(String mobile) {
+        this.mobile = mobile;
+    }
+
+}
@@ -0,0 +1,9 @@
+package com.baeldung.reactorbus.service;
+
+import com.baeldung.reactorbus.domain.NotificationData;
+
+public interface NotificationService {
+
+    void initiateNotification(NotificationData notificationData) throws InterruptedException;
+
+}
@@ -0,0 +1,21 @@
+package com.baeldung.reactorbus.service.impl;
+
+import org.springframework.stereotype.Service;
+
+import com.baeldung.reactorbus.domain.NotificationData;
+import com.baeldung.reactorbus.service.NotificationService;
+
+@Service
+public class NotificationServiceimpl implements NotificationService {
+
+    @Override
+    public void initiateNotification(NotificationData notificationData) throws InterruptedException {
+
+        System.out.println("Notification service started for Notification ID: " + notificationData.getId());
+
+        Thread.sleep(5000);
+
+        System.out.println("Notification service ended for Notification ID: " + notificationData.getId());
+    }
+
+}
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>
@@ -0,0 +1,17 @@
+package com.baeldung;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import com.baeldung.reactorbus.NotificationApplication;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = NotificationApplication.class)
+public class SpringContextTest {
+
+    @Test
+    public void whenSpringContextIsBootstrapped_thenNoExceptions() {
+    }
+}
@@ -0,0 +1,22 @@
+package com.baeldung.reactorbus;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.web.server.LocalServerPort;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.web.client.RestTemplate;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
+public class NotificationApplicationIntegrationTest {
+
+    @LocalServerPort
+    private int port;
+
+    @Test
+    public void givenAppStarted_whenNotificationTasksSubmitted_thenProcessed() {
+        RestTemplate restTemplate = new RestTemplate();
+        restTemplate.getForObject("http://localhost:" + port + "/startNotification/10", String.class);
+    }
+}
@@ -0,0 +1,25 @@
+/target/
+!.mvn/wrapper/maven-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/build/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
@@ -0,0 +1,7 @@
+## Spring WebFlux AMQP
+
+This module contains articles about Spring WebFlux with AMQP
+
+### Relevant Articles: 
+
+- [Spring AMQP in Reactive Applications](https://www.baeldung.com/spring-amqp-reactive)
@@ -0,0 +1,64 @@
+<?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.spring</groupId>
+    <artifactId>spring-webflux-amqp</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+    <name>spring-webflux-amqp</name>
+    <packaging>jar</packaging>
+    <description>Spring WebFlux AMQP Sample</description>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-boot-2</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../parent-boot-2</relativePath>
+    </parent>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <!-- Import dependency management from Spring Boot -->
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-dependencies</artifactId>
+                <!-- <version>2.0.4.RELEASE</version> --><!-- works -->
+                <version>2.1.3.RELEASE</version>  <!-- Works with workaround applied -->
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-amqp</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-webflux</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-configuration-processor</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.projectreactor</groupId>
+            <artifactId>reactor-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-integration</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>
@@ -0,0 +1,59 @@
+package com.baeldung.spring.amqp;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@ConfigurationProperties("destinations")
+public class DestinationsConfig {
+    
+    
+    private Map<String,DestinationInfo> queues = new HashMap<>();
+    
+    private Map<String,DestinationInfo> topics = new HashMap<>();
+    
+    
+
+    public Map<String, DestinationInfo> getQueues() {
+        return queues;
+    }
+
+    public void setQueues(Map<String, DestinationInfo> queues) {
+        this.queues = queues;
+    }
+
+    public Map<String, DestinationInfo> getTopics() {
+        return topics;
+    }
+
+    public void setTopics(Map<String, DestinationInfo> topics) {
+        this.topics = topics;
+    }
+
+    // DestinationInfo stores the Exchange name and routing key used
+    // by our producers when posting messages
+    static class DestinationInfo {
+        
+        private String exchange;
+        private String routingKey;
+        
+        
+        public String getExchange() {
+            return exchange;
+        }
+        public void setExchange(String exchange) {
+            this.exchange = exchange;
+        }
+        public String getRoutingKey() {
+            return routingKey;
+        }
+        public void setRoutingKey(String routingKey) {
+            this.routingKey = routingKey;
+        }
+        
+        
+        
+    }
+    
+}
@@ -0,0 +1,29 @@
+package com.baeldung.spring.amqp;
+
+import org.springframework.amqp.core.AcknowledgeMode;
+import org.springframework.amqp.rabbit.connection.ConnectionFactory;
+import org.springframework.amqp.rabbit.listener.MessageListenerContainer;
+import org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+public class MessageListenerContainerFactory {
+
+    @Autowired
+    private ConnectionFactory connectionFactory;
+
+    public MessageListenerContainerFactory() {
+    }
+
+    public MessageListenerContainer createMessageListenerContainer(String queueName) {
+
+        SimpleMessageListenerContainer mlc = new SimpleMessageListenerContainer(connectionFactory);
+
+        mlc.addQueueNames(queueName);
+        mlc.setAcknowledgeMode(AcknowledgeMode.AUTO);
+
+        return mlc;
+    }
+
+}
@@ -0,0 +1,36 @@
+package com.baeldung.spring.amqp;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.context.annotation.Bean;
+import org.springframework.web.filter.reactive.HiddenHttpMethodFilter;
+import org.springframework.web.server.ServerWebExchange;
+import org.springframework.web.server.WebFilterChain;
+
+import reactor.core.publisher.Mono;
+
+@SpringBootApplication
+@EnableConfigurationProperties(DestinationsConfig.class)
+public class SpringWebfluxAmqpApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringWebfluxAmqpApplication.class, args);
+    }
+    
+    
+    /**
+     * This is a workaround for https://github.com/spring-projects/spring-framework/issues/21094
+     * @return
+     */
+    @Bean
+    public HiddenHttpMethodFilter hiddenHttpMethodFilter() {
+        return new HiddenHttpMethodFilter() {
+            @Override
+            public Mono<Void> filter(ServerWebExchange exchange, WebFilterChain chain) {
+                return chain.filter(exchange);
+            }
+        };
+    }
+    
+}
@@ -0,0 +1,27 @@
+spring:
+  rabbitmq:
+    host: localhost
+    port: 5672
+    username: guest
+    password: guest
+    
+destinations:
+  queues:
+    NYSE:
+      exchange: nyse
+      routing-key: NYSE
+    IBOV:
+      exchange: ibov
+      routing-key: IBOV
+      
+      
+  topics:
+    weather:
+      exchange: alerts
+      routing-key: WEATHER
+      
+
+  
+      
+    
+    
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>
@@ -0,0 +1,25 @@
+package com.baeldung;
+
+import com.baeldung.spring.amqp.SpringWebfluxAmqpApplication;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+/**
+ * This live test requires:
+ * rabbitmq instance running on the environment
+ * 
+ * <br>
+ * To run rabbitmq using docker image:
+ * (e.g. `docker run -d --name rabbitmq -p 5672:5672 rabbitmq:3`)
+ * 
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = SpringWebfluxAmqpApplication.class)
+public class SpringContextLiveTest {
+
+    @Test
+    public void whenSpringContextIsBootstrapped_thenNoExceptions() {
+    }
+}
@@ -0,0 +1,26 @@
+package com.baeldung.spring.amqp;
+
+import org.junit.Test;
+import org.springframework.test.web.reactive.server.WebTestClient;
+
+
+public class SpringWebfluxAmqpLiveTest {
+
+    @Test
+    public void whenSendingAMessageToQueue_thenAcceptedReturnCode() {
+
+        WebTestClient client = WebTestClient.bindToServer()
+            .baseUrl("http://localhost:8080")
+            .build();
+        
+        client.post()
+            .uri("/queue/NYSE")
+            .syncBody("Test Message")
+            .exchange()
+            .expectStatus().isAccepted();
+
+    }
+    
+    
+
+}