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Commit fb63897

Browse files
author
Rocard
committed
* created standard spring-boot project structure
 * add datasource config for dbOne and dbTwo
1 parent c555371 commit fb63897

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14 files changed

+228
-3
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14 files changed

+228
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‎Dockerfile

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FROM maven:3.6.3-jdk-11 AS builder
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WORKDIR /workdir/server
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COPY pom.xml /workdir/server/pom.xml
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RUN mvn dependency:go-offline
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COPY src /workdir/server/src
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RUN mvn install
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RUN mkdir -p target/dependency
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WORKDIR /workdir/server/target/dependency
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RUN jar -xf ../*.jar
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FROM openjdk:11-jre-slim
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VOLUME /tmp
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ARG DEPENDENCY=/workdir/server/target/dependency
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COPY --from=builder ${DEPENDENCY}/BOOT-INF/lib /app/lib
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COPY --from=builder ${DEPENDENCY}/META-INF /app/META-INF
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COPY --from=builder ${DEPENDENCY}/BOOT-INF/classes /app
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ENTRYPOINT ["java","-cp","app:app/lib/*","com.roc41d.springbootmultipledatasources.Application"]
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class SpringBootMultipleDatasourcesApplication {
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public class Application {
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public static void main(String[] args) {
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SpringApplication.run(SpringBootMultipleDatasourcesApplication.class, args);
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SpringApplication.run(Application.class, args);
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}
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}
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package com.roc41d.springbootmultipledatasources.config;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.Primary;
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import org.springframework.core.env.Environment;
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import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
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import org.springframework.jdbc.datasource.DriverManagerDataSource;
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import org.springframework.orm.jpa.JpaTransactionManager;
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import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
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import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
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import org.springframework.transaction.PlatformTransactionManager;
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import javax.sql.DataSource;
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import java.util.HashMap;
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import java.util.Objects;
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@Configuration
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@EnableJpaRepositories(
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basePackages = "com.roc41d.springbootmultipledatasources.model.dbOne",
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entityManagerFactoryRef = "primaryEntityManager",
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transactionManagerRef = "primaryTransactionManager"
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)
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public class DBOneConfig {
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@Autowired
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private Environment env;
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@Bean
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@Primary
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public LocalContainerEntityManagerFactoryBean primaryEntityManager() {
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LocalContainerEntityManagerFactoryBean em
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= new LocalContainerEntityManagerFactoryBean();
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em.setDataSource(primaryDataSource());
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em.setPackagesToScan(
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new String[] { "com.roc41d.springbootmultipledatasources.model.dbOne.dal" });
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HibernateJpaVendorAdapter vendorAdapter
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= new HibernateJpaVendorAdapter();
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em.setJpaVendorAdapter(vendorAdapter);
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HashMap<String, Object> properties = new HashMap<>();
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properties.put("hibernate.hbm2ddl.auto",
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env.getProperty("spring.jpa.hibernate.ddl-auto"));
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properties.put("hibernate.dialect",
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env.getProperty("spring.jpa.properties.hibernate.dialect"));
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em.setJpaPropertyMap(properties);
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return em;
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}
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@Primary
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@Bean
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public DataSource primaryDataSource() {
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DriverManagerDataSource dataSource
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= new DriverManagerDataSource();
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dataSource.setDriverClassName(
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Objects.requireNonNull(env.getProperty("spring.dbone.driverClassName")));
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dataSource.setUrl(env.getProperty("spring.dbone.url"));
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dataSource.setUsername(env.getProperty("spring.dbone.username"));
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dataSource.setPassword(env.getProperty("spring.dbone.password"));
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return dataSource;
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}
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@Primary
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@Bean
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public PlatformTransactionManager primaryTransactionManager() {
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JpaTransactionManager transactionManager
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= new JpaTransactionManager();
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transactionManager.setEntityManagerFactory(
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primaryEntityManager().getObject());
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return transactionManager;
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}
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}
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package com.roc41d.springbootmultipledatasources.config;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.core.env.Environment;
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import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
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import org.springframework.jdbc.datasource.DriverManagerDataSource;
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import org.springframework.orm.jpa.JpaTransactionManager;
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import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
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import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
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import org.springframework.transaction.PlatformTransactionManager;
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import javax.sql.DataSource;
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import java.util.HashMap;
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import java.util.Objects;
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@Configuration
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@EnableJpaRepositories(
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basePackages = "com.roc41d.springbootmultipledatasources.model.dbTwo",
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entityManagerFactoryRef = "secondaryEntityManager",
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transactionManagerRef = "secondaryTransactionManager"
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)
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public class DBTwoConfig {
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@Autowired
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private Environment env;
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@Bean
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public LocalContainerEntityManagerFactoryBean secondaryEntityManager() {
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LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
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em.setDataSource(secondaryDataSource());
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em.setPackagesToScan(new String[] { "com.roc41d.springbootmultipledatasources.model.dbTwo.dal" });
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HibernateJpaVendorAdapter vendorAdapter
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= new HibernateJpaVendorAdapter();
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em.setJpaVendorAdapter(vendorAdapter);
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HashMap<String, Object> properties = new HashMap<>();
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properties.put("hibernate.hbm2ddl.auto",
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env.getProperty("spring.jpa.hibernate.ddl-auto"));
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properties.put("hibernate.dialect",
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env.getProperty("spring.jpa.properties.hibernate.dialect"));
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em.setJpaPropertyMap(properties);
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return em;
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}
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@Bean
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public DataSource secondaryDataSource() {
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DriverManagerDataSource dataSource
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= new DriverManagerDataSource();
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dataSource.setDriverClassName(
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Objects.requireNonNull(env.getProperty("spring.dbtwo.driverClassName")));
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dataSource.setUrl(env.getProperty("spring.dbtwo.url"));
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dataSource.setUsername(env.getProperty("spring.dbtwo.username"));
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dataSource.setPassword(env.getProperty("spring.dbtwo.password"));
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return dataSource;
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}
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@Bean
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public PlatformTransactionManager secondaryTransactionManager() {
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JpaTransactionManager transactionManager
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= new JpaTransactionManager();
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transactionManager.setEntityManagerFactory(
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secondaryEntityManager().getObject());
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return transactionManager;
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}
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}
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package com.roc41d.springbootmultipledatasources.model.dbOne.dal;
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public class UserOne {
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}
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package com.roc41d.springbootmultipledatasources.model.dbOne.repository;
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public interface UserOneRepo {
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}
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package com.roc41d.springbootmultipledatasources.model.dbTwo.dal;
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public class UserTwo {
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}
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package com.roc41d.springbootmultipledatasources.model.dbTwo.repository;
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public interface UserTwoRepo {
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}
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package com.roc41d.springbootmultipledatasources.service.contract;
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public interface IUserOneContract {
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}
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package com.roc41d.springbootmultipledatasources.service.contract;
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public interface IUserTwoContract {
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}

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