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AndriyKalashnykovAndriyKalashnykov
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‎.gitignore

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*.DS_Store
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build/
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target/
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bin/
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dependency-reduced-pom.xml
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.classpath
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.project
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.settings/
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*.iml
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*.ipr
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*.iws
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*.idea
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*.log
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Thumbs.db

‎LICENSE

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‎department-service/Dockerfile

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ARG MVN_VERSION=3.6.3
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ARG JDK_VERSION=11
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FROM maven:${MVN_VERSION}-jdk-${JDK_VERSION}-slim as build
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WORKDIR /build
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COPY pom.xml .
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# creates a layer with all of the Manven dependencies, first time it takes a while consequent call are very fast
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RUN mvn dependency:go-offline
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COPY ./pom.xml /tmp/
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COPY ./src /tmp/src/
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WORKDIR /tmp/
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RUN mvn clean package
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WORKDIR /application
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COPY target/*.jar application.jar
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RUN java -Djarmode=layertools -jar application.jar extract
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FROM gcr.io/distroless/java:${JDK_VERSION}
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USER nonroot:nonroot
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WORKDIR application
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COPY --from=build --chown=nonroot:nonroot /application/dependencies/ ./
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COPY --from=build --chown=nonroot:nonroot /application/snapshot-dependencies/ ./
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COPY --from=build --chown=nonroot:nonroot /application/resources/ ./
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COPY --from=build --chown=nonroot:nonroot /application/application/ ./
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EXPOSE 8080
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ENV _JAVA_OPTIONS "-XX:MinRAMPercentage=60.0 -XX:MaxRAMPercentage=90.0 \
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-Djava.security.egd=file:/dev/./urandom \
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-Djava.awt.headless=true -Dfile.encoding=UTF-8 \
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-Dspring.output.ansi.enabled=ALWAYS \
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-Dspring.profiles.active=default"
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ENTRYPOINT ["java", "org.springframework.boot.loader.JarLauncher"]

‎department-service/pom.xml

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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.3.0.M2</version>
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</parent>
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<artifactId>department-service</artifactId>
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<groupId>vmware.services</groupId>
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<version>1.1</version>
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<properties>
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<java.version>1.8</java.version>
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</properties>
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<dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-dependencies</artifactId>
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<version>Hoxton.SR2</version>
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<type>pom</type>
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<scope>import</scope>
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</dependency>
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</dependencies>
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</dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-starter-kubernetes-all</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-starter-openfeign</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-actuator</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-mongodb</artifactId>
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</dependency>
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<dependency>
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<groupId>io.springfox</groupId>
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<artifactId>springfox-swagger2</artifactId>
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<version>2.9.2</version>
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</dependency>
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-starter-sleuth</artifactId>
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</dependency>
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</dependencies>
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<repositories>
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<repository>
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<id>spring-milestones</id>
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<name>Spring Milestones</name>
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<url>https://repo.spring.io/milestone</url>
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</repository>
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</repositories>
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<pluginRepositories>
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<pluginRepository>
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<id>spring-milestones</id>
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<name>Spring Milestones</name>
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<url>https://repo.spring.io/milestone</url>
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</pluginRepository>
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</pluginRepositories>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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<configuration>
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<layout>LAYERED_JAR</layout>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>

‎department-service/src/main/java/META-INF/MANIFEST.MF

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Manifest-Version: 1.0
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Class-Path:
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‎department-service/src/main/java/vmware/services/department/DepartmentApplication.java

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package vmware.services.department;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.AutoConfigureAfter;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
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import org.springframework.cloud.netflix.ribbon.RibbonAutoConfiguration;
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import org.springframework.cloud.netflix.ribbon.RibbonClients;
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import org.springframework.cloud.openfeign.EnableFeignClients;
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import org.springframework.context.annotation.Bean;
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import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
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import springfox.documentation.builders.ApiInfoBuilder;
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import springfox.documentation.builders.PathSelectors;
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import springfox.documentation.builders.RequestHandlerSelectors;
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import springfox.documentation.spi.DocumentationType;
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import springfox.documentation.spring.web.plugins.Docket;
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import springfox.documentation.swagger2.annotations.EnableSwagger2;
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import vmware.services.department.config.RibbonConfiguration;
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@SpringBootApplication
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@EnableDiscoveryClient
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@EnableFeignClients
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@EnableMongoRepositories
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@EnableSwagger2
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@AutoConfigureAfter(RibbonAutoConfiguration.class)
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@RibbonClients(defaultConfiguration = RibbonConfiguration.class)
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public class DepartmentApplication {
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public static void main(String[] args) {
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SpringApplication.run(DepartmentApplication.class, args);
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}
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@Bean
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public Docket swaggerApi() {
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return new Docket(DocumentationType.SWAGGER_2)
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.select()
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.apis(RequestHandlerSelectors.basePackage("vmware.services.department.controller"))
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.paths(PathSelectors.any())
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.build()
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.apiInfo(new ApiInfoBuilder().version("1.0").title("Department API").description("Documentation Department API v1.0").build());
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}
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}

‎department-service/src/main/java/vmware/services/department/client/EmployeeClient.java

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package vmware.services.department.client;
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import org.springframework.cloud.openfeign.FeignClient;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PathVariable;
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import vmware.services.department.model.Employee;
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import java.util.List;
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@FeignClient(name = "employee")
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public interface EmployeeClient {
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@GetMapping("/department/{departmentId}")
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List<Employee> findByDepartment(@PathVariable("departmentId") String departmentId);
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}

‎department-service/src/main/java/vmware/services/department/config/RibbonConfiguration.java

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package vmware.services.department.config;
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import com.netflix.client.config.IClientConfig;
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import com.netflix.loadbalancer.Server;
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import com.netflix.loadbalancer.ServerList;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
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import org.springframework.cloud.client.discovery.DiscoveryClient;
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import org.springframework.cloud.netflix.ribbon.StaticServerList;
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import org.springframework.context.annotation.Bean;
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public class RibbonConfiguration {
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@Autowired
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private DiscoveryClient discoveryClient;
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private String serviceId = "client";
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protected static final String VALUE_NOT_SET = "__not__set__";
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protected static final String DEFAULT_NAMESPACE = "ribbon";
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public RibbonConfiguration() {
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}
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public RibbonConfiguration(String serviceId) {
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this.serviceId = serviceId;
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}
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@Bean
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@ConditionalOnMissingBean
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public ServerList<?> ribbonServerList(IClientConfig config) {
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Server[] servers = discoveryClient.getInstances(config.getClientName()).stream()
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.map(i -> new Server(i.getHost(), i.getPort()))
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.toArray(Server[]::new);
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return new StaticServerList(servers);
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}
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}

‎department-service/src/main/java/vmware/services/department/controller/DepartmentController.java

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package vmware.services.department.controller;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.*;
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import vmware.services.department.client.EmployeeClient;
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import vmware.services.department.model.Department;
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import vmware.services.department.model.Employee;
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import vmware.services.department.repository.DepartmentRepository;
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import java.util.List;
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@RestController
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public class DepartmentController {
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private static final Logger LOGGER = LoggerFactory.getLogger(DepartmentController.class);
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@Autowired
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DepartmentRepository repository;
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@Autowired
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EmployeeClient employeeClient;
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@GetMapping("/feign")
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public List<Employee> listRest() {
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return employeeClient.findByDepartment("1");
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}
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@PostMapping("/")
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public Department add(@RequestBody Department department) {
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LOGGER.info("Department add: {}", department);
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return repository.save(department);
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}
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@GetMapping("/{id}")
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public Department findById(@PathVariable("id") String id) {
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LOGGER.info("Department find: id={}", id);
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return repository.findById(id).get();
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}
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@GetMapping("/")
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public Iterable<Department> findAll() {
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LOGGER.info("Department find");
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return repository.findAll();
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}
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@GetMapping("/organization/{organizationId}")
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public List<Department> findByOrganization(@PathVariable("organizationId") Long organizationId) {
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LOGGER.info("Department find: organizationId={}", organizationId);
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return repository.findByOrganizationId(organizationId);
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}
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@GetMapping("/organization/{organizationId}/with-employees")
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public List<Department> findByOrganizationWithEmployees(@PathVariable("organizationId") Long organizationId) {
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LOGGER.info("Department find: organizationId={}", organizationId);
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List<Department> departments = repository.findByOrganizationId(organizationId);
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departments.forEach(d -> d.setEmployees(employeeClient.findByDepartment(d.getId())));
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return departments;
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}
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}

‎department-service/src/main/java/vmware/services/department/model/Department.java

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package vmware.services.department.model;
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import org.springframework.data.annotation.Id;
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import org.springframework.data.annotation.Transient;
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import org.springframework.data.mongodb.core.mapping.Document;
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import java.util.ArrayList;
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import java.util.List;
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@Document(collection = "department")
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public class Department {
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@Id
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private String id;
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private Long organizationId;
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private String name;
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@Transient
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private List<Employee> employees = new ArrayList<>();
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public Department() {
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}
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public Department(Long organizationId, String name) {
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super();
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this.organizationId = organizationId;
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this.name = name;
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}
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public String getId() {
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return id;
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}
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public void setId(String id) {
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this.id = id;
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}
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public Long getOrganizationId() {
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return organizationId;
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}
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public void setOrganizationId(Long organizationId) {
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this.organizationId = organizationId;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public List<Employee> getEmployees() {
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return employees;
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}
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public void setEmployees(List<Employee> employees) {
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this.employees = employees;
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}
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@Override
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public String toString() {
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return "Department [id=" + id + ", organizationId=" + organizationId + ", name=" + name + "]";
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}
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}

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