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Java 11493 (#12349)

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* moved spring-cloud-bus (submodule) to spring-cloud-modules (parent)

* moved spring-cloud-cli (submodule) to spring-cloud-modules (parent)

* moved spring-cloud-data-flow (submodule) to spring-cloud-modules (parent)

* moved spring-sleuth (submodule) to spring-cloud-modules (parent)

* Deleted submodules that we moved to  spring-cloud-modules

* deleted old modules from parent pom

Co-authored-by: panagiotiskakos <panagiotis.kakos@libra-is.com>
This commit is contained in:
panos-kakos
2022-06-15 19:00:49 +01:00
committed by GitHub
parent cd1a8c8fe4
commit 9be62e0311
90 changed files with 246 additions and 222 deletions
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spring-cloud-modules/pom.xml
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<module>spring-cloud-sentinel</module>
<module>spring-cloud-dapr</module>
<module>spring-cloud-docker</module>
<module>spring-cloud-bus</module>
<module>spring-cloud-data-flow</module>
<module>spring-sleuth</module>
</modules>
<build>
spring-cloud-modules/spring-cloud-bus/README.md
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## Spring Cloud Bus
This module contains articles about Spring Cloud Bus
### Relevant articles
- [Spring Cloud Bus](https://www.baeldung.com/spring-cloud-bus)
spring-cloud-modules/spring-cloud-bus/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://maven.apache.org/POM/4.0.0"
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.cloud</groupId>
<artifactId>spring-cloud-bus</artifactId>
<version>1.0.0-SNAPSHOT</version>
<name>spring-cloud-bus</name>
<packaging>pom</packaging>
<parent>
<groupId>com.baeldung.spring.cloud</groupId>
<artifactId>spring-cloud-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<modules>
<module>spring-cloud-config-client</module>
<module>spring-cloud-config-server</module>
</modules>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud-dependencies.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<properties>
<spring-cloud-dependencies.version>2021.0.0</spring-cloud-dependencies.version>
</properties>
</project>
spring-cloud-modules/spring-cloud-bus/spring-cloud-config-client/pom.xml
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<?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>
<artifactId>spring-cloud-config-client</artifactId>
<name>spring-cloud-config-client</name>
<packaging>jar</packaging>
<description>Demo Spring Cloud Config Client</description>
<parent>
<groupId>com.baeldung.spring.cloud</groupId>
<artifactId>spring-cloud-bus</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-config</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-actuator-autoconfigure</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-bus-amqp</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
spring-cloud-modules/spring-cloud-bus/spring-cloud-config-client/src/main/java/com/baeldung/SpringCloudConfigClientApplication.java
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package com.baeldung;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
@SpringBootApplication
@RestController
@RefreshScope
public class SpringCloudConfigClientApplication {
@Value("${user.role}")
private String role;
@Value("${user.password}")
private String password;
public static void main(String[] args) {
SpringApplication.run(SpringCloudConfigClientApplication.class, args);
}
@RequestMapping(value = "/whoami/{username}", method = RequestMethod.GET, produces = MediaType.TEXT_PLAIN_VALUE)
public String whoami(@PathVariable("username") String username) {
return String.format("Hello %s! You are a(n) %s and your password is '%s'.\n", username, role, password);
}
}
spring-cloud-modules/spring-cloud-bus/spring-cloud-config-client/src/main/resources/application.yml
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---
spring:
application:
name: config-client
profiles:
active: development
config:
import: configserver:http://root:s3cr3t@localhost:8888
rabbitmq:
host: localhost
port: 5672
username: guest
password: guest
cloud:
bus:
enabled: true
refresh:
enabled: true
config:
fail-fast: true
management:
endpoints:
web:
exposure:
include: "*"
security:
enabled: false
spring-cloud-modules/spring-cloud-bus/spring-cloud-config-client/src/main/resources/logback.xml
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<?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>
spring-cloud-modules/spring-cloud-bus/spring-cloud-config-client/src/test/java/com/baeldung/SpringContextLiveTest.java
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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.SpringCloudConfigClientApplication;
/**
* This LiveTest requires:
* 1- The 'spring-cloud-bus/spring-cloud-config-server' service running, with valid Spring Cloud Config properties, for instance:
* 1.1- `spring.cloud.config.server.git.uri` pointing to a valid URI, which has `user.role` and `user.password` properties configured in a properties file. For example, to achieve this in a dev environment:
* 1.1.1- `cd my/custom/path`
* 1.1.2- `git init .`
* 1.1.3- `echo user.role=Programmer >> application.properties`
* 1.1.4- `echo user.password=d3v3L >> application.properties`
* 1.1.5- `git add .`
* 1.1.6- `git commit -m 'inital commit'`
* 1.1.7- 'spring-cloud-bus/spring-cloud-config-server' with property `spring.cloud.config.server.git.uri=my/custom/path`
*
* Note: This is enough to run the ContextTest successfully, but to get the full functionality shown in the related article, we'll need also a RabbitMQ instance running (e.g. `docker run -d --hostname my-rabbit --name some-rabbit -p 15672:15672 -p 5672:5672 rabbitmq:3-management`)
*
*/
@RunWith(SpringRunner.class)
@SpringBootTest(classes = SpringCloudConfigClientApplication.class)
public class SpringContextLiveTest {
@Test
public void contextLoads() {
}
}
spring-cloud-modules/spring-cloud-bus/spring-cloud-config-server/pom.xml
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<?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>
<artifactId>spring-cloud-config-server</artifactId>
<name>spring-cloud-config-server</name>
<packaging>jar</packaging>
<description>Demo Spring Cloud Config Server</description>
<parent>
<groupId>com.baeldung.spring.cloud</groupId>
<artifactId>spring-cloud-bus</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-config-server</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-config-monitor</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-stream-rabbit</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
spring-cloud-modules/spring-cloud-bus/spring-cloud-config-server/src/main/java/com/baeldung/SpringCloudConfigServerApplication.java
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package com.baeldung;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.config.server.EnableConfigServer;
@SpringBootApplication
@EnableConfigServer
public class SpringCloudConfigServerApplication {
public static void main(String[] args) {
SpringApplication.run(SpringCloudConfigServerApplication.class, args);
}
}
spring-cloud-modules/spring-cloud-bus/spring-cloud-config-server/src/main/resources/application.properties
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server.port=8888
spring.cloud.config.server.git.uri=
spring.cloud.bus.enabled=true
spring.security.user.name=root
spring.security.user.password=s3cr3t
spring.rabbitmq.host=localhost
spring.rabbitmq.port=5672
spring.rabbitmq.username=guest
spring.rabbitmq.password=guest
encrypt.key-store.location=classpath:/config-server.jks
encrypt.key-store.password=my-s70r3-s3cr3t
encrypt.key-store.alias=config-server-key
encrypt.key-store.secret=my-k34-s3cr3t
spring-cloud-modules/spring-cloud-bus/spring-cloud-config-server/src/main/resources/config-server.jks
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spring-cloud-modules/spring-cloud-bus/spring-cloud-config-server/src/main/resources/logback.xml
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<?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>
spring-cloud-modules/spring-cloud-bus/spring-cloud-config-server/src/test/java/com/baeldung/SpringCloudConfigServerApplicationIntegrationTest.java
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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;
@RunWith(SpringRunner.class)
@SpringBootTest
public class SpringCloudConfigServerApplicationIntegrationTest {
@Test
public void contextLoads() {
}
}
spring-cloud-modules/spring-cloud-bus/spring-cloud-config-server/src/test/java/com/baeldung/SpringContextTest.java
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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.SpringCloudConfigServerApplication;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = SpringCloudConfigServerApplication.class)
public class SpringContextTest {
@Test
public void contextLoads() {
}
}
spring-cloud-modules/spring-cloud-cli/README.md
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## Spring Cloud CLI
This module contains articles about Spring Cloud CLI
### Relevant Articles:
- [Introduction to Spring Cloud CLI](https://www.baeldung.com/spring-cloud-cli)
spring-cloud-modules/spring-cloud-cli/decrypt.sh
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#!/usr/bin/env bash
echo Decrypting my_value as key my_key
spring decrypt --key my_key
echo
echo You should see: \"my_value\"
echo
spring-cloud-modules/spring-cloud-cli/encrypt.sh
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#!/usr/bin/env bash
echo Encrypting my_value as key my_key
spring encrypt my_value --key my_key
echo
echo You should see something like: c93cb36ce1d09d7d62dffd156ef742faaa56f97f135ebd05e90355f80290ce6b
echo
echo You can use: \"{cipher}c93cb36ce1d09d7d62dffd156ef742faaa56f97f135ebd05e90355f80290ce6b\" in your configuration files
echo
spring-cloud-modules/spring-cloud-cli/groovy.sh
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#!/usr/bin/env bash
echo "Run Groovy Rest API Server"
echo "spring run restapi.groovy"
echo "http://localhost:8080/api/get"
spring run restapi.groovy
echo
echo "Run Groovy Eureka Server"
echo "spring run eureka.groovy"
echo "http://localhost:8761"
spring run eureka.groovy
echo
spring-cloud-modules/spring-cloud-cli/groovy/eureka.groovy
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@EnableEurekaServer
class Eureka {}
spring-cloud-modules/spring-cloud-cli/groovy/restapi.groovy
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@RestController
@RequestMapping('/api')
class api {
@GetMapping('/get')
def get() { [message: 'Hello'] }
}
spring-cloud-modules/spring-cloud-cli/install.sh
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#!/usr/bin/env bash
echo "Install SDKMan"
sudo apt-get update
sudo apt-get install unzip zip -y
sudo curl -s get.sdkman.io | bash
sudo source "$HOME/.sdkman/bin/sdkman-init.sh"
sdk version
echo "Install Spring Dependencies"
sudo sdk install groovy
sudo sdk install java
sudo sdk install maven
echo "Install Spring Boot"
sudo sdk install springboot
spring --version
echo "Installing JCE"
sudo apt-get install p7zip-full
echo please go to: http://www.oracle.com/technetwork/java/javase/downloads/jce8-download-2133166.html
echo Download the jce_policy-8.zip after you agree to the terms
sleep 25
sudo 7z x jce_policy-8.zip
sudo mv /usr/lib/jvm/java-8-oracle/jre/lib/security/local_policy.jar /usr/lib/jvm/java-8-oracle/jre/lib/security/local_policy.jar.backup
sudo mv /usr/lib/jvm/java-8-oracle/jre/lib/security/US_export_policy.jar /usr/lib/jvm/java-8-oracle/jre/lib/security/US_export_policy.jar.backup
sudo mv UnlimitedJCEPolicyJDK8/*.jar /usr/lib/jvm/java-8-oracle/jre/lib/security/
echo
echo "Installing Spring Cloud CLI"
spring install org.springframework.cloud:spring-cloud-cli:1.3.2.RELEASE
echo
echo "Verify Installation"
spring cloud --version
echo
spring-cloud-modules/spring-cloud-cli/spring-cli-cmds.sh
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#!/usr/bin/env bash
echo "Run Config Server"
echo "spring cloud configserver"
echo "http://localhost:8888"
spring cloud configserver
echo
echo "Run Eureka Server"
echo "spring cloud eureka"
echo "http://localhost:8761"
spring cloud eureka
echo
echo "Run H2 Server"
echo "spring cloud h2"
echo "http://localhost:9095"
spring cloud h2
echo
echo "Run Kafka Server"
echo "spring cloud kafka"
echo "http://localhost:9091"
spring cloud kafka
echo
echo "Run Zipkin Server"
echo "spring cloud zipkin"
echo "http://localhost:9411"
spring cloud zipkin
echo
echo "Run Dataflow Server"
echo "spring cloud dataflow"
echo "http://localhost:9393"
spring cloud dataflow
echo
echo "Run Hystrixdashboard Server"
echo "spring cloud hystrixdashboard"
echo "http://localhost:7979"
spring cloud hystrixdashboard
echo
echo "List Services"
echo "spring cloud --list"
spring cloud --list
echo
spring-cloud-modules/spring-cloud-cli/yml/configserver.yml
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spring:
profiles:
active: git
cloud.config.server.git.uri: https://github.com/spring-cloud/spring-cloud-cli/tree/master/spring-cloud-launcher/spring-cloud-launcher-configserver
spring-cloud-modules/spring-cloud-cli/yml/eureka.yml
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spring:
profiles:
active: git
cloud:
config:
server:
git:
uri: https://github.com/spring-cloud/spring-cloud-cli/tree/master/spring-cloud-launcher/spring-cloud-launcher-eureka
spring-cloud-modules/spring-cloud-data-flow/README.md
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## Spring Cloud Data Flow
This is an aggregator module for Spring Cloud Data Flow modules.
spring-cloud-modules/spring-cloud-data-flow/apache-spark-job/README.md
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### Relevant Articles:
- [Spring Cloud Data Flow With Apache Spark](https://www.baeldung.com/spring-cloud-data-flow-spark)
spring-cloud-modules/spring-cloud-data-flow/apache-spark-job/pom.xml
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<?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>
<artifactId>apache-spark-job</artifactId>
<name>apache-spark-job</name>
<parent>
<groupId>com.baeldung.spring.cloud</groupId>
<artifactId>spring-cloud-data-flow</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-task-core</artifactId>
<version>${spring-cloud-task-core.version}</version>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-core_${scala.version}</artifactId>
<version>${spark.version}</version>
</dependency>
</dependencies>
<properties>
<spark.version>1.6.2</spark.version>
<scala.version>2.10</scala.version>
<spring-cloud-task-core.version>2.0.0.RELEASE</spring-cloud-task-core.version>
</properties>
</project>
spring-cloud-modules/spring-cloud-data-flow/apache-spark-job/src/main/java/com/baeldung/spring/cloud/PiApproximation.java
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package com.baeldung.spring.cloud;
import org.apache.spark.SparkConf;
import org.apache.spark.api.java.JavaRDD;
import org.apache.spark.api.java.JavaSparkContext;
import org.apache.spark.api.java.function.Function;
import org.apache.spark.api.java.function.Function2;
import org.apache.spark.rdd.RDD;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
public class PiApproximation {
public static void main(String[] args) {
SparkConf conf = new SparkConf().setAppName("BaeldungPIApproximation").setMaster("local[2]");
JavaSparkContext context = new JavaSparkContext(conf);
int slices = args.length >= 1 ? Integer.valueOf(args[0]) : 2;
int n = (100000L * slices) > Integer.MAX_VALUE ? Integer.MAX_VALUE : 100000 * slices;
List<Integer> xs = IntStream.rangeClosed(0, n)
.mapToObj(element -> Integer.valueOf(element))
.collect(Collectors.toList());
JavaRDD<Integer> dataSet = context.parallelize(xs, slices);
JavaRDD<Integer> pointsInsideTheCircle = dataSet.map(integer -> {
double x = Math.random() * 2 - 1;
double y = Math.random() * 2 - 1;
return (x*x + y*y ) < 1 ? 1: 0;
});
int count = pointsInsideTheCircle.reduce((integer, integer2) -> integer + integer2);
System.out.println("The pi was estimated as:" + count / n);
context.stop();
}
}
spring-cloud-modules/spring-cloud-data-flow/batch-job/README.md
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### Relevant Articles:
- [Batch Processing with Spring Cloud Data Flow](http://www.baeldung.com/spring-cloud-data-flow-batch-processing)
spring-cloud-modules/spring-cloud-data-flow/batch-job/pom.xml
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<?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.cloud</groupId>
<artifactId>batch-job</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>batch-job</name>
<packaging>jar</packaging>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>com.baeldung.spring.cloud</groupId>
<artifactId>spring-cloud-data-flow</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>Hoxton.SR4</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-task</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-batch</artifactId>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>runtime</scope>
</dependency>
</dependencies>
<properties>
<spring-cloud-task-starter.version>2.2.3.RELEASE</spring-cloud-task-starter.version>
</properties>
</project>
spring-cloud-modules/spring-cloud-data-flow/batch-job/src/main/java/com/baeldung/spring/cloud/BatchJobApplication.java
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package com.baeldung.spring.cloud;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.task.configuration.EnableTask;
@EnableTask
@SpringBootApplication
public class BatchJobApplication {
public static void main(String[] args) {
SpringApplication.run(BatchJobApplication.class, args);
}
}
spring-cloud-modules/spring-cloud-data-flow/batch-job/src/main/java/com/baeldung/spring/cloud/JobConfiguration.java
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package com.baeldung.spring.cloud;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.batch.core.Job;
import org.springframework.batch.core.StepContribution;
import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing;
import org.springframework.batch.core.configuration.annotation.JobBuilderFactory;
import org.springframework.batch.core.configuration.annotation.StepBuilderFactory;
import org.springframework.batch.core.scope.context.ChunkContext;
import org.springframework.batch.core.step.tasklet.Tasklet;
import org.springframework.batch.repeat.RepeatStatus;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
@EnableBatchProcessing
public class JobConfiguration {
private static final Log logger = LogFactory.getLog(JobConfiguration.class);
@Autowired
public JobBuilderFactory jobBuilderFactory;
@Autowired
public StepBuilderFactory stepBuilderFactory;
@Bean
public Job job() {
return jobBuilderFactory.get("job").start(stepBuilderFactory.get("jobStep1").tasklet(new Tasklet() {
@Override
public RepeatStatus execute(StepContribution contribution, ChunkContext chunkContext) throws Exception {
logger.info("Job was run");
return RepeatStatus.FINISHED;
}
}).build()).build();
}
}
spring-cloud-modules/spring-cloud-data-flow/batch-job/src/main/resources/logback.xml
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<?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>
spring-cloud-modules/spring-cloud-data-flow/batch-job/src/test/java/com/baeldung/SpringContextTest.java
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package com.baeldung;
import com.baeldung.spring.cloud.JobConfiguration;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest
@ContextConfiguration(classes = JobConfiguration.class)
public class SpringContextTest {
@Test
public void whenSpringContextIsBootstrapped_thenNoExceptions() {
}
}
spring-cloud-modules/spring-cloud-data-flow/batch-job/src/test/java/com/baeldung/spring/cloud/BatchJobApplicationIntegrationTest.java
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@@ -0,0 +1,18 @@
package com.baeldung.spring.cloud;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest
@ContextConfiguration(classes = JobConfiguration.class)
public class BatchJobApplicationIntegrationTest {
@Test
public void contextLoads() {
}
}
spring-cloud-modules/spring-cloud-data-flow/pom.xml
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@@ -0,0 +1,24 @@
<?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>
<artifactId>spring-cloud-data-flow</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>spring-cloud-data-flow</name>
<packaging>pom</packaging>
<parent>
<groupId>com.baeldung.spring.cloud</groupId>
<artifactId>spring-cloud-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<modules>
<module>spring-cloud-data-flow-stream-processing</module>
<module>spring-cloud-data-flow-etl</module>
<module>batch-job</module>
<module>apache-spark-job</module>
</modules>
</project>
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-etl/README.md
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# Overview
This is an example of a ETL stream pipeline, mixing a starter application with custom transform and sink.
# Applications
JDBC Source - Application Starter distributed by default
customer-transform - Custom application to transform the data
customer-mongodb-sink - Custom application to sink the data
# Relevant Articles
* [ETL with Spring Cloud Data Flow](https://www.baeldung.com/spring-cloud-data-flow-etl)
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-etl/customer-mongodb-sink/pom.xml
+67
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@@ -0,0 +1,67 @@
<?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>
<artifactId>customer-mongodb-sink</artifactId>
<name>customer-mongodb-sink</name>
<packaging>jar</packaging>
<description>Example ETL Load Project</description>
<parent>
<groupId>com.baeldung.spring.cloud</groupId>
<artifactId>spring-cloud-data-flow-etl</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-stream</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-stream-binder-rabbit</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-mongodb</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-stream-test-support</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
<properties>
<spring-cloud.version>Hoxton.SR4</spring-cloud.version>
</properties>
</project>
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-etl/customer-mongodb-sink/src/main/java/com/customer/customermongodbsink/Customer.java
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package com.customer.customermongodbsink;
import org.springframework.data.mongodb.core.mapping.Document;
@Document(collection = "customer")
public class Customer {
private Long id;
private String name;
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;
}
}
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-etl/customer-mongodb-sink/src/main/java/com/customer/customermongodbsink/CustomerListener.java
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package com.customer.customermongodbsink;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.annotation.StreamListener;
import org.springframework.cloud.stream.messaging.Sink;
@EnableBinding(Sink.class)
public class CustomerListener {
@Autowired
private CustomerRepository repository;
@StreamListener(Sink.INPUT)
public void save(Customer customer) {
repository.save(customer);
}
}
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-etl/customer-mongodb-sink/src/main/java/com/customer/customermongodbsink/CustomerMongodbSinkApplication.java
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package com.customer.customermongodbsink;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class CustomerMongodbSinkApplication {
public static void main(String[] args) {
SpringApplication.run(CustomerMongodbSinkApplication.class, args);
}
}
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-etl/customer-mongodb-sink/src/main/java/com/customer/customermongodbsink/CustomerRepository.java
+9
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package com.customer.customermongodbsink;
import org.springframework.data.mongodb.repository.MongoRepository;
import org.springframework.stereotype.Repository;
@Repository
public interface CustomerRepository extends MongoRepository<Customer, Long> {
}
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-etl/customer-mongodb-sink/src/main/resources/application.properties
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spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-etl/customer-transform/pom.xml
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@@ -0,0 +1,59 @@
<?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>
<artifactId>customer-transform</artifactId>
<name>customer-transform</name>
<packaging>jar</packaging>
<description>Example transform ETL step</description>
<parent>
<groupId>com.baeldung.spring.cloud</groupId>
<artifactId>spring-cloud-data-flow-etl</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-stream-binder-rabbit</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-stream-test-support</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
<properties>
<spring-cloud.version>Hoxton.SR4</spring-cloud.version>
</properties>
</project>
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-etl/customer-transform/src/main/java/com/customer/customertransform/Customer.java
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package com.customer.customertransform;
import com.fasterxml.jackson.annotation.JsonProperty;
public class Customer {
private Long id;
private String name;
@JsonProperty("customer_name")
public void setName(String name) {
this.name = name;
}
@JsonProperty("name")
public String getName() {
return name;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
}
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-etl/customer-transform/src/main/java/com/customer/customertransform/CustomerProcessorConfiguration.java
+16
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@@ -0,0 +1,16 @@
package com.customer.customertransform;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Processor;
import org.springframework.integration.annotation.Transformer;
@EnableBinding(Processor.class)
public class CustomerProcessorConfiguration {
@Transformer(inputChannel = Processor.INPUT, outputChannel = Processor.OUTPUT)
public Customer convertToPojo(Customer payload) {
return payload;
}
}
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-etl/customer-transform/src/main/java/com/customer/customertransform/CustomerTransformApplication.java
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package com.customer.customertransform;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class CustomerTransformApplication {
public static void main(String[] args) {
SpringApplication.run(CustomerTransformApplication.class, args);
}
}
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-etl/customer-transform/src/main/resources/application.properties
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spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-etl/pom.xml
+22
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<?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>
<artifactId>spring-cloud-data-flow-etl</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>spring-cloud-data-flow-etl</name>
<packaging>pom</packaging>
<parent>
<groupId>com.baeldung.spring.cloud</groupId>
<artifactId>spring-cloud-data-flow</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<modules>
<module>customer-mongodb-sink</module>
<module>customer-transform</module>
</modules>
</project>
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/README.md
+4
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@@ -0,0 +1,4 @@
### Relevant Articles:
- [Getting Started with Stream Processing with Spring Cloud Data Flow](http://www.baeldung.com/spring-cloud-data-flow-stream-processing)
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/data-flow-server/pom.xml
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@@ -0,0 +1,74 @@
<?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>
<artifactId>data-flow-server</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>data-flow-server</name>
<packaging>jar</packaging>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>spring-cloud-data-flow-stream-processing</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-dependencies</artifactId>
<version>${spring-boot.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dataflow-dependencies</artifactId>
<version>${spring-cloud-dataflow-dependencies.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud-dependencies.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-dataflow-server-local</artifactId>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>${hibernate.compatible.version}</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>${hibernate.compatible.version}</version>
</dependency>
<dependency>
<groupId>net.bytebuddy</groupId>
<artifactId>byte-buddy</artifactId>
<version>${byte-buddy.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<properties>
<spring-cloud-dataflow-dependencies.version>1.3.1.RELEASE</spring-cloud-dataflow-dependencies.version>
<spring-cloud-dependencies.version>Edgware.SR6</spring-cloud-dependencies.version>
<hibernate.compatible.version>5.2.12.Final</hibernate.compatible.version>
<spring-boot.version>1.5.22.RELEASE</spring-boot.version>
</properties>
</project>
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/data-flow-server/src/main/java/com/baeldung/spring/cloud/DataFlowServerApplication.java
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package com.baeldung.spring.cloud;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.dataflow.server.EnableDataFlowServer;
@EnableDataFlowServer
@SpringBootApplication
public class DataFlowServerApplication {
public static void main(String[] args) {
SpringApplication.run(DataFlowServerApplication.class, args);
}
}
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/data-flow-server/src/main/resources/application.properties
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@@ -0,0 +1,2 @@
#spring.datasource.url=jdbc:h2:mem:dataflow
spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/data-flow-server/src/main/resources/logback.xml
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@@ -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>
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/data-flow-server/src/test/java/com/baeldung/SpringContextTest.java
+16
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@@ -0,0 +1,16 @@
package com.baeldung;
import com.baeldung.spring.cloud.DataFlowServerApplication;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = DataFlowServerApplication.class)
public class SpringContextTest {
@Test
public void contextLoads() {
}
}
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/data-flow-server/src/test/java/com/baeldung/spring/cloud/DataFlowServerApplicationIntegrationTest.java
+43
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package com.baeldung.spring.cloud;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mockito;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest
public class DataFlowServerApplicationIntegrationTest {
@Test
public void contextLoads() {
}
@EnableRedisHttpSession
@Configuration
static class Config {
@Bean
@SuppressWarnings("unchecked")
public RedisSerializer<Object> defaultRedisSerializer() {
return Mockito.mock(RedisSerializer.class);
}
@Bean
public RedisConnectionFactory connectionFactory() {
RedisConnectionFactory factory = Mockito.mock(RedisConnectionFactory.class);
RedisConnection connection = Mockito.mock(RedisConnection.class);
Mockito.when(factory.getConnection()).thenReturn(connection);
return factory;
}
}
}
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/data-flow-server/src/test/resources/application.properties
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@@ -0,0 +1 @@
spring.datasource.url=jdbc:h2:mem:dataflow
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/data-flow-shell/pom.xml
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@@ -0,0 +1,49 @@
<?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>
<artifactId>data-flow-shell</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>data-flow-shell</name>
<packaging>jar</packaging>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>spring-cloud-data-flow-stream-processing</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dataflow-dependencies</artifactId>
<version>${spring-cloud-dataflow-dependencies.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud-dependencies.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dataflow-shell</artifactId>
</dependency>
</dependencies>
<properties>
<spring-cloud-dependencies.version>Brixton.SR7</spring-cloud-dependencies.version>
<spring-cloud-dataflow-dependencies.version>1.1.0.RELEASE</spring-cloud-dataflow-dependencies.version>
</properties>
</project>
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/data-flow-shell/src/main/java/com/baeldung/spring/cloud/DataFlowShellApplication.java
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@@ -0,0 +1,14 @@
package com.baeldung.spring.cloud;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.dataflow.shell.EnableDataFlowShell;
@EnableDataFlowShell
@SpringBootApplication
public class DataFlowShellApplication {
public static void main(String[] args) {
SpringApplication.run(DataFlowShellApplication.class, args);
}
}
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/data-flow-shell/src/main/resources/logback.xml
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@@ -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>
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/data-flow-shell/src/test/java/com/baeldung/SpringContextLiveTest.java
+26
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@@ -0,0 +1,26 @@
package com.baeldung;
import com.baeldung.spring.cloud.DataFlowShellApplication;
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:
* complete data-flow server and shell setup running
*
* <br>
* For more info:
* https://www.baeldung.com/spring-cloud-data-flow-stream-processing
*
*/
@RunWith(SpringRunner.class)
@SpringBootTest(classes = DataFlowShellApplication.class)
public class SpringContextLiveTest {
@Test
public void contextLoads() {
}
}
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/log-sink/pom.xml
+41
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@@ -0,0 +1,41 @@
<?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>
<artifactId>log-sink</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>log-sink</name>
<packaging>jar</packaging>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>spring-cloud-data-flow-stream-processing</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud-dependencies.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-stream-rabbit</artifactId>
</dependency>
</dependencies>
<properties>
<spring-cloud-dependencies.version>Hoxton.SR4</spring-cloud-dependencies.version>
</properties>
</project>
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/log-sink/src/main/java/com/baeldung/spring/cloud/LogSinkApplication.java
+26
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package com.baeldung.spring.cloud;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.annotation.StreamListener;
import org.springframework.cloud.stream.messaging.Sink;
@EnableBinding(Sink.class)
@SpringBootApplication
public class LogSinkApplication {
private static Logger logger = LoggerFactory.getLogger(LogSinkApplication.class);
@StreamListener(Sink.INPUT)
public void loggerSink(String date) {
logger.info("Received: " + date);
}
public static void main(String[] args) {
SpringApplication.run(LogSinkApplication.class, args);
}
}
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/log-sink/src/main/resources/logback.xml
+13
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@@ -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>
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/log-sink/src/test/java/com/baeldung/SpringContextTest.java
+17
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@@ -0,0 +1,17 @@
package com.baeldung;
import com.baeldung.spring.cloud.LogSinkApplication;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = LogSinkApplication.class)
public class SpringContextTest {
@Test
public void contextLoads() {
}
}
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/pom.xml
+55
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@@ -0,0 +1,55 @@
<?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>spring-cloud-data-flow-stream-processing</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>spring-cloud-data-flow-stream-processing</name>
<packaging>pom</packaging>
<parent>
<groupId>com.baeldung.spring.cloud</groupId>
<artifactId>spring-cloud-data-flow</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<modules>
<module>data-flow-server</module>
<module>data-flow-shell</module>
<module>time-source</module>
<module>time-processor</module>
<module>log-sink</module>
</modules>
<dependencies>
<dependency>
<groupId>io.rest-assured</groupId>
<artifactId>rest-assured</artifactId>
<version>${rest-assured.version}</version>
</dependency>
<!-- <dependency>-->
<!-- <groupId>org.springframework.boot</groupId>-->
<!-- <artifactId>spring-boot-starter-test</artifactId>-->
<!-- <version>1.5.22.release</version>-->
<!-- </dependency>-->
<dependency>
<groupId>net.bytebuddy</groupId>
<artifactId>byte-buddy</artifactId>
<version>${byte-buddy.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<properties>
<spring-cloud-dataflow-dependencies.version>1.3.1.RELEASE</spring-cloud-dataflow-dependencies.version>
<spring-cloud-dependencies.version>Edgware.SR6</spring-cloud-dependencies.version>
<hibernate.compatible.version>5.2.12.Final</hibernate.compatible.version>
<byte-buddy.version>1.11.20</byte-buddy.version>
<rest-assured.version>3.1.0</rest-assured.version>
</properties>
</project>
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/time-processor/pom.xml
+41
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@@ -0,0 +1,41 @@
<?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>
<artifactId>time-processor</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>time-processor</name>
<packaging>jar</packaging>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>spring-cloud-data-flow-stream-processing</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud-dependencies.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-stream-rabbit</artifactId>
</dependency>
</dependencies>
<properties>
<spring-cloud-dependencies.version>Hoxton.SR4</spring-cloud-dependencies.version>
</properties>
</project>
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/time-processor/src/main/java/com/baeldung/spring/cloud/TimeProcessorApplication.java
+27
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@@ -0,0 +1,27 @@
package com.baeldung.spring.cloud;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Processor;
import org.springframework.integration.annotation.Transformer;
@EnableBinding(Processor.class)
@SpringBootApplication
public class TimeProcessorApplication {
@Transformer(inputChannel = Processor.INPUT, outputChannel = Processor.OUTPUT)
public Object transform(Long timestamp) {
DateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd hh:mm:ss");
String date = dateFormat.format(timestamp);
return date;
}
public static void main(String[] args) {
SpringApplication.run(TimeProcessorApplication.class, args);
}
}
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/time-processor/src/main/resources/logback.xml
+13
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@@ -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>
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/time-processor/src/test/java/com/baeldung/SpringContextTest.java
+17
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package com.baeldung;
import com.baeldung.spring.cloud.TimeProcessorApplication;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = TimeProcessorApplication.class)
public class SpringContextTest {
@Test
public void contextLoads() {
}
}
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/time-source/pom.xml
+42
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@@ -0,0 +1,42 @@
<?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.cloud</groupId>
<artifactId>time-source</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>time-source</name>
<packaging>jar</packaging>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>spring-cloud-data-flow-stream-processing</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud-dependencies.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-stream-rabbit</artifactId>
</dependency>
</dependencies>
<properties>
<spring-cloud-dependencies.version>Hoxton.SR4</spring-cloud-dependencies.version>
</properties>
</project>
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/time-source/src/main/java/com/baeldung/spring/cloud/TimeSourceApplication.java
+29
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@@ -0,0 +1,29 @@
package com.baeldung.spring.cloud;
import java.util.Date;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.context.annotation.Bean;
import org.springframework.integration.annotation.InboundChannelAdapter;
import org.springframework.integration.annotation.Poller;
import org.springframework.integration.core.MessageSource;
import org.springframework.integration.support.MessageBuilder;
@EnableBinding(Source.class)
@SpringBootApplication
public class TimeSourceApplication {
@Bean
@InboundChannelAdapter(value = Source.OUTPUT, poller = @Poller(fixedDelay = "10000", maxMessagesPerPoll = "1"))
public MessageSource<Long> timeMessageSource() {
return () -> MessageBuilder.withPayload(new Date().getTime()).build();
}
public static void main(String[] args) {
SpringApplication.run(TimeSourceApplication.class, args);
}
}
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/time-source/src/main/resources/logback.xml
+13
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@@ -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>
spring-cloud-modules/spring-cloud-data-flow/spring-cloud-data-flow-stream-processing/time-source/src/test/java/com/baeldung/SpringContextTest.java
+17
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@@ -0,0 +1,17 @@
package com.baeldung;
import com.baeldung.spring.cloud.TimeSourceApplication;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = TimeSourceApplication.class)
public class SpringContextTest {
@Test
public void contextLoads() {
}
}
spring-cloud-modules/spring-sleuth/README.md
+8
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@@ -0,0 +1,8 @@
## Spring Sleuth
This module contains articles about Spring Cloud Sleuth
### Relevant articles:
- [Spring Cloud Sleuth in a Monolith Application](https://www.baeldung.com/spring-cloud-sleuth-single-application)
- [Get Current Trace ID in Spring Cloud Sleuth](https://www.baeldung.com/spring-cloud-sleuth-get-trace-id)
spring-cloud-modules/spring-sleuth/pom.xml
+45
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<?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>
<artifactId>spring-sleuth</artifactId>
<groupId>com.baeldung.spring.cloud</groupId>
<version>1.0.0-SNAPSHOT</version>
<name>spring-sleuth</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung.spring.cloud</groupId>
<artifactId>spring-cloud-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-sleuth</artifactId>
<version>${spring-cloud-sleuth.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-sleuth</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
</dependencies>
<properties>
<spring-cloud-sleuth.version>3.1.0</spring-cloud-sleuth.version>
</properties>
</project>
spring-cloud-modules/spring-sleuth/src/main/java/com/baeldung/sleuth/traceid/SleuthCurrentTraceIdApp.java
+11
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@@ -0,0 +1,11 @@
package com.baeldung.sleuth.traceid;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class SleuthCurrentTraceIdApp {
public static void main(String[] args) {
SpringApplication.run(SleuthCurrentTraceIdApp.class, args);
}
}
spring-cloud-modules/spring-sleuth/src/main/java/com/baeldung/sleuth/traceid/SleuthTraceIdController.java
+32
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package com.baeldung.sleuth.traceid;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import brave.Span;
import brave.Tracer;
@RestController
public class SleuthTraceIdController {
private static final Logger logger = LoggerFactory.getLogger(SleuthTraceIdController.class);
@Autowired
private Tracer tracer;
@GetMapping("/traceid")
public String getSleuthTraceId() {
logger.info("Hello with Sleuth");
Span span = tracer.currentSpan();
if (span != null) {
logger.info("Span ID hex {}", span.context().spanIdString());
logger.info("Span ID decimal {}", span.context().spanId());
logger.info("Trace ID hex {}", span.context().traceIdString());
logger.info("Trace ID decimal {}", span.context().traceId());
}
return "Hello from Sleuth";
}
}
spring-cloud-modules/spring-sleuth/src/main/java/com/baeldung/spring/session/SchedulingService.java
+26
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@@ -0,0 +1,26 @@
package com.baeldung.spring.session;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;
@Service
public class SchedulingService {
private Logger logger = LoggerFactory.getLogger(this.getClass());
private final SleuthService sleuthService;
@Autowired
public SchedulingService(SleuthService sleuthService) {
this.sleuthService = sleuthService;
}
@Scheduled(fixedDelay = 30000)
public void scheduledWork() throws InterruptedException {
logger.info("Start some work from the scheduled task");
sleuthService.asyncMethod();
logger.info("End work from scheduled task");
}
}
spring-cloud-modules/spring-sleuth/src/main/java/com/baeldung/spring/session/SleuthController.java
+68
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@@ -0,0 +1,68 @@
package com.baeldung.spring.session;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.concurrent.Executor;
@RestController
public class SleuthController {
private Logger logger = LoggerFactory.getLogger(this.getClass());
private final SleuthService sleuthService;
private final Executor executor;
@Autowired
public SleuthController(SleuthService sleuthService, Executor executor) {
this.sleuthService = sleuthService;
this.executor = executor;
}
@GetMapping("/")
public String helloSleuth() {
logger.info("Hello Sleuth");
return "success";
}
@GetMapping("/same-span")
public String helloSleuthSameSpan() throws InterruptedException {
logger.info("Same Span");
sleuthService.doSomeWorkSameSpan();
return "success";
}
@GetMapping("/new-span")
public String helloSleuthNewSpan() throws InterruptedException {
logger.info("New Span");
sleuthService.doSomeWorkNewSpan();
return "success";
}
@GetMapping("/new-thread")
public String helloSleuthNewThread() {
logger.info("New Thread");
Runnable runnable = () -> {
try {
Thread.sleep(1000L);
} catch (InterruptedException e) {
e.printStackTrace();
}
logger.info("I'm inside the new thread - with a new span");
};
executor.execute(runnable);
logger.info("I'm done - with the original span");
return "success";
}
@GetMapping("/async")
public String helloSleuthAsync() throws InterruptedException {
logger.info("Before Async Method Call");
sleuthService.asyncMethod();
logger.info("After Async Method Call");
return "success";
}
}
spring-cloud-modules/spring-sleuth/src/main/java/com/baeldung/spring/session/SleuthService.java
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package com.baeldung.spring.session;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;
import brave.Span;
import brave.Tracer;
import brave.Tracer.SpanInScope;
@Service
public class SleuthService {
private Logger logger = LoggerFactory.getLogger(this.getClass());
private final Tracer tracer;
@Autowired
public SleuthService(Tracer tracer) {
this.tracer = tracer;
}
public void doSomeWorkSameSpan() throws InterruptedException {
Thread.sleep(1000L);
logger.info("Doing some work");
}
public void doSomeWorkNewSpan() throws InterruptedException {
logger.info("I'm in the original span");
Span newSpan = tracer.nextSpan().name("newSpan").start();
try (SpanInScope ws = tracer.withSpanInScope(newSpan.start())) {
Thread.sleep(1000L);
logger.info("I'm in the new span doing some cool work that needs its own span");
} finally {
newSpan.finish();
}
logger.info("I'm in the original span");
}
@Async
public void asyncMethod() throws InterruptedException {
logger.info("Start Async Method");
Thread.sleep(1000L);
logger.info("End Async Method");
}
}
spring-cloud-modules/spring-sleuth/src/main/java/com/baeldung/spring/session/SleuthWebApp.java
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package com.baeldung.spring.session;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class SleuthWebApp {
public static void main(String[] args) {
SpringApplication.run(SleuthWebApp.class, args);
}
}
spring-cloud-modules/spring-sleuth/src/main/java/com/baeldung/spring/session/ThreadConfig.java
+55
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@@ -0,0 +1,55 @@
package com.baeldung.spring.session;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.sleuth.instrument.async.LazyTraceExecutor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.AsyncConfigurerSupport;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.annotation.SchedulingConfigurer;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.scheduling.config.ScheduledTaskRegistrar;
import java.util.concurrent.Executor;
import java.util.concurrent.Executors;
@Configuration
@EnableAsync
@EnableScheduling
public class ThreadConfig extends AsyncConfigurerSupport implements SchedulingConfigurer {
@Autowired
private BeanFactory beanFactory;
@Bean
public Executor executor() {
ThreadPoolTaskExecutor threadPoolTaskExecutor = new ThreadPoolTaskExecutor();
threadPoolTaskExecutor.setCorePoolSize(1);
threadPoolTaskExecutor.setMaxPoolSize(1);
threadPoolTaskExecutor.initialize();
return new LazyTraceExecutor(beanFactory, threadPoolTaskExecutor);
}
@Override
public Executor getAsyncExecutor() {
ThreadPoolTaskExecutor threadPoolTaskExecutor = new ThreadPoolTaskExecutor();
threadPoolTaskExecutor.setCorePoolSize(1);
threadPoolTaskExecutor.setMaxPoolSize(1);
threadPoolTaskExecutor.initialize();
return new LazyTraceExecutor(beanFactory, threadPoolTaskExecutor);
}
@Override
public void configureTasks(ScheduledTaskRegistrar scheduledTaskRegistrar) {
scheduledTaskRegistrar.setScheduler(schedulingExecutor());
}
@Bean(destroyMethod = "shutdown")
public Executor schedulingExecutor() {
return Executors.newScheduledThreadPool(1);
}
}
spring-cloud-modules/spring-sleuth/src/main/resources/application.properties
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@@ -0,0 +1 @@
spring.application.name=Baeldung Sleuth Tutorial
spring-cloud-modules/spring-sleuth/src/main/resources/logback.xml
+20
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@@ -0,0 +1,20 @@
<?xml version="1.0" encoding="UTF-8"?>
<!-- this is the configuration needed for the Sleuth examples;
don't override this with the standard logback config
-->
<configuration>
<include resource="org/springframework/boot/logging/logback/base.xml"/>
<logger name="feign" level="DEBUG"/>
<logger name="org.springframework.cloud.sleuth" level="TRACE"/>
<logger name="org.springframework.boot.autoconfigure.logging" level="INFO"/>
<logger name="org.springframework.cloud.sleuth.log" level="DEBUG"/>
<logger name="org.springframework.cloud.sleuth.trace" level="DEBUG"/>
<logger name="org.springframework.cloud.sleuth.instrument.rxjava" level="DEBUG"/>
<logger name="org.springframework.cloud.sleuth.instrument.reactor" level="TRACE"/>
<root level="INFO">
<appender-ref ref="CONSOLE"/>
<appender-ref ref="FILE"/>
</root>
</configuration>
spring-cloud-modules/spring-sleuth/src/test/java/com/baeldung/SpringContextTest.java
+17
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@@ -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.spring.session.SleuthWebApp;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = SleuthWebApp.class)
public class SpringContextTest {
@Test
public void whenSpringContextIsBootstrapped_thenNoExceptions() {
}
}