Jhipster - 複数のデータソースを設定する

Question

私はspringBatch Appを使用していましたが、以下のように設定した複数のデータソースを使用していました。それは正常に動作していた。今

How to use 2 or more databases with spring?

私はJhipsterのプロジェクトに統合する必要がありました。私はapplication.ymlで同様の設定をしました。私はapplication.ymlから自動生成されたDatasourceを削除し、上記のポストと同様の設定を追加し、Jittersterが生成したDataBaseConfiguration.javaにプライマリDatasourceを注入しました。この設定では、JHipster UIのデータベースエンティティフォームでCRUD操作を実行できません。ログにエラーが表示されません。

私はJhipsterプロジェクトで複数のデータソースを設定する正しい/簡単な方法がわかりません。複数のデータベースを利用したサンプルの例は、私にとって良いスタートを与えるでしょう。私はこれについて多くのリソースを見つけられませんでした。以下は

は、変更のためのコードサンプルの私はだから私はDatabaseConfiguration.java一次データソースを注入し、必要な場合、他のデータソースを使用してJHipster

# =================================================================== 
# Spring Boot configuration for the "dev" profile. 
# 
# This configuration overrides the application.yml file. 
# 
# More information on profiles: http://www.jhipster.tech/profiles/ 
# More information on configuration properties: http://www.jhipster.tech/common-application-properties/ 
# =================================================================== 

# =================================================================== 
# Standard Spring Boot properties. 
# Full reference is available at: 
# http://docs.spring.io/spring-boot/docs/current/reference/html/common-application-properties.html 
# =================================================================== 

spring: 
    profiles: 
     active: dev 
     include: swagger 
    devtools: 
     restart: 
      enabled: true 
     livereload: 
      enabled: false # we use gulp + BrowserSync for livereload 
    jackson: 
     serialization.indent_output: true 

    jpa: 
     database-platform: org.hibernate.dialect.Oracle12cDialect 
     database: ORACLE 
     show-sql: true 
     properties: 
      hibernate.id.new_generator_mappings: true 
      hibernate.cache.use_second_level_cache: false 
      hibernate.cache.use_query_cache: false 
      hibernate.generate_statistics: true 
      hibernate.default_schema: ********x 
    mail: 
     host: localhost 
     port: 25 
     username: 
     password: 
    messages: 
     cache-seconds: 1 
    thymeleaf: 
     cache: false 

    batch: 
     job: 
      enabled: false 

liquibase: 
    contexts: dev 

# =================================================================== 
# To enable SSL, generate a certificate using: 
# keytool -genkey -alias ********x-storetype PKCS12 -keyalg RSA -keysize 2048 -keystore keystore.p12 -validity 3650 
# 
# You can also use Let's Encrypt: 
# https://maximilian-boehm.com/hp2121/Create-a-Java-Keystore-JKS-from-Let-s-Encrypt-Certificates.htm 
# 
# Then, modify the server.ssl properties so your "server" configuration looks like: 
# 
# server: 
# port: 8443 
# ssl: 
#  key-store: keystore.p12 
#  key-store-password: <your-password> 
#  keyStoreType: PKCS12 
#  keyAlias: ********x 
# =================================================================== 
server: 
    port: 8080 

# =================================================================== 
# JHipster specific properties 
# 
# Full reference is available at: http://www.jhipster.tech/common-application-properties/ 
# =================================================================== 

jhipster: 
    http: 
     version: V_1_1 # To use HTTP/2 you will need SSL support (see above the "server.ssl" configuration) 
    # CORS is only enabled by default with the "dev" profile, so BrowserSync can access the API 
    cors: 
     allowed-origins: "*" 
     allowed-methods: "*" 
     allowed-headers: "*" 
     exposed-headers: "Authorization" 
     allow-credentials: true 
     max-age: 1800 
    security: 
     authentication: 
      jwt: 
       secret: my-secret-token-to-change-in-production 
       # Token is valid 24 hours 
       token-validity-in-seconds: 86400 
       token-validity-in-seconds-for-remember-me: 2592000 
    mail: # specific JHipster mail property, for standard properties see MailProperties 
     from: ********x@localhost 
     base-url: http://127.0.0.1:8080 
    metrics: # DropWizard Metrics configuration, used by MetricsConfiguration 
     jmx.enabled: true 
     graphite: # Use the "graphite" Maven profile to have the Graphite dependencies 
      enabled: false 
      host: localhost 
      port: 2003 
      prefix: ********x 
     prometheus: # Use the "prometheus" Maven profile to have the Prometheus dependencies 
      enabled: false 
      endpoint: /prometheusMetrics 
     logs: # Reports Dropwizard metrics in the logs 
      enabled: false 
      report-frequency: 60 # in seconds 
    logging: 
     logstash: # Forward logs to logstash over a socket, used by LoggingConfiguration 
      enabled: false 
      host: localhost 
      port: 5000 
      queue-size: 512 

# =================================================================== 
# Application specific properties 
# Add your own application properties here, see the ApplicationProperties class 
# to have type-safe configuration, like in the JHipsterProperties above 
# 
# More documentation is available at: 
# http://www.jhipster.tech/common-application-properties/ 
# =================================================================== 



datasource.********x.type: com.zaxxer.hikari.HikariDataSource 
datasource.********x.url: "jdbc:oracle:thin:@********x" 
datasource.********x.username: ********x 
datasource.********x.password: ********x 

datasource.********xy.type: com.zaxxer.hikari.HikariDataSource 
datasource.********xy.url: "jdbc:oracle:thin:@yyyyyy" 
datasource.********xy.username:********x 
datasource.********xy.password: "********x" 




package com.********x 

import io.github.jhipster.config.JHipsterConstants; 
import io.github.jhipster.config.liquibase.AsyncSpringLiquibase; 

import liquibase.integration.spring.SpringLiquibase; 
import org.slf4j.Logger; 
import org.slf4j.LoggerFactory; 
import org.springframework.beans.factory.annotation.Autowired; 
import org.springframework.beans.factory.annotation.Qualifier; 
import org.springframework.boot.autoconfigure.liquibase.LiquibaseProperties; 
import org.springframework.context.annotation.Bean; 
import org.springframework.context.annotation.Configuration; 
import org.springframework.core.env.Environment; 
import org.springframework.core.task.TaskExecutor; 
import org.springframework.data.jpa.repository.config.EnableJpaAuditing; 
import org.springframework.data.jpa.repository.config.EnableJpaRepositories; 
import org.springframework.transaction.annotation.EnableTransactionManagement; 

import javax.sql.DataSource; 

@Configuration 
@EnableJpaRepositories("com.********x") 
@EnableJpaAuditing(auditorAwareRef = "springSecurityAuditorAware") 
@EnableTransactionManagement 
public class DatabaseConfiguration { 

    private final Logger log = LoggerFactory.getLogger(DatabaseConfiguration.class); 

    private final Environment env; 

    public DatabaseConfiguration(Environment env) { 
     this.env = env; 
    } 

    @Autowired 
    @Qualifier("********x") 
    private DataSource dataSource; 

    @Bean 
    public SpringLiquibase liquibase(@Qualifier("taskExecutor") TaskExecutor taskExecutor 
      , LiquibaseProperties liquibaseProperties) { 

     // Use liquibase.integration.spring.SpringLiquibase if you don't want Liquibase to start asynchronously 
     SpringLiquibase liquibase = new AsyncSpringLiquibase(taskExecutor, env); 
     liquibase.setDataSource(dataSource); 
     liquibase.setChangeLog("classpath:config/liquibase/master.xml"); 
     liquibase.setContexts(liquibaseProperties.getContexts()); 
     liquibase.setDefaultSchema(liquibaseProperties.getDefaultSchema()); 
     liquibase.setDropFirst(liquibaseProperties.isDropFirst()); 
     if (env.acceptsProfiles(JHipsterConstants.SPRING_PROFILE_NO_LIQUIBASE)) { 
      liquibase.setShouldRun(false); 
     } else { 
      liquibase.setShouldRun(liquibaseProperties.isEnabled()); 
      log.debug("Configuring Liquibase"); 
     } 
     return liquibase; 
    } 
} 

で複数のデータソースを持って行っています。これらのデータソースは両方とも、スプリングが示すような上記のポストと同様に作成されます。

デフォルトのデータソースのプロパティがJHipsterによって生成します：ここで

Answer 1

は私がJHipsterプロジェクトに2つのデータソースを動作させる方法です

JHispterのデフォルトのデータソースのための

spring: 
    datasource: 
     type: com.zaxxer.hikari.HikariDataSource 
     url: jdbc:h2:file:./target/h2db/db/mockpartenaire;DB_CLOSE_DELAY=-1 
     username: mockpartenaire 
     password: 

Configsに：

@Configuration 
@EnableTransactionManagement 
public class PrimaryDbConfig { 

@Bean 
@Primary 
@ConfigurationProperties("spring.datasource") 
public DataSourceProperties defaultDataSourceProperties() { 
    return new DataSourceProperties(); 
} 

@Bean 
@Primary 
@ConfigurationProperties("spring.datasource") 
public DataSource defaultDataSource() { 
    return defaultDataSourceProperties().initializeDataSourceBuilder().build(); 
} 

@Bean(name = "entityManagerFactory") 
@Primary 
public LocalContainerEntityManagerFactoryBean customerEntityManagerFactory(
    EntityManagerFactoryBuilder builder) { 
    return builder 
     .dataSource(defaultDataSource()) 
     .packages(Input.class) 
     .persistenceUnit("default") 
     .build(); 
} 

@Bean(name = "transactionManager") 
@Primary 
public JpaTransactionManager db2TransactionManager(@Qualifier("entityManagerFactory") final EntityManagerFactory emf) { 
    JpaTransactionManager transactionManager = new JpaTransactionManager(); 
    transactionManager.setEntityManagerFactory(emf); 
    return transactionManager; 
} 

}

第2のデータソースプロパティ：

partner: 
    datasource: 
     type: com.zaxxer.hikari.HikariDataSource 
     url: jdbc:postgresql://localhost:5432/partner 
     username: partner 
     password: partner 
     driver-class-name: org.postgresql.Driver 

第二データソースのconfigs：

@Configuration 
@EnableTransactionManagement 
@EntityScan(basePackages = "com.my.test.custom.domain") 
@EnableJpaRepositories(transactionManagerRef = "partnerTransactionManager", entityManagerFactoryRef = "partnerEntityManagerFactory", basePackages = "com.my.test.custom.repository") 
public class PartnerDbConfig { 

    @Bean 
    @ConfigurationProperties("partner.datasource") 
    public DataSourceProperties partnerDataSourceProperties() { 
     return new DataSourceProperties(); 
    } 

    @Bean 
    @ConfigurationProperties("partner.datasource") 
    public DataSource partnerDataSource() { 
     return partnerDataSourceProperties().initializeDataSourceBuilder().build(); 
    } 

    @Bean(name = "partnerEntityManagerFactory") 
    public LocalContainerEntityManagerFactoryBean customerEntityManagerFactory(
     EntityManagerFactoryBuilder builder) { 
     Properties properties = new Properties(); 
     properties.setProperty("hibernate.dialect", "org.hibernate.dialect.PostgreSQLDialect"); 

     LocalContainerEntityManagerFactoryBean emf = builder 
      .dataSource(partnerDataSource()) 
      .packages(TestPost.class) 
      .persistenceUnit("partner") 
      .build(); 
     emf.setJpaProperties(properties); 
     return emf; 
    } 

    @Bean(name = "partnerTransactionManager") 
    public JpaTransactionManager db2TransactionManager(@Qualifier("partnerEntityManagerFactory") final EntityManagerFactory emf) { 
     JpaTransactionManager transactionManager = new JpaTransactionManager(); 
     transactionManager.setEntityManagerFactory(emf); 
     return transactionManager; 
    } 
} 

はJHipsterによって構成されたデフォルトのデータソースは、それが実体の仕事を続けます。

@SuppressWarnings("unused") 
@Repository 
@Transactional("partnerTransactionManager") 
@PersistenceContext(name = "partnerEntityManagerFactory") 
public interface TestPostRepository extends JpaRepository<TestPost,Long>{ 
}