如何在Hibernate/JPA中配置具有兩個連線池的兩個資料來源

 <dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</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-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
</dependencies>

app.datasource.ds1.url=jdbc:mysql://localhost:3306/players_db?createDatabaseIfNotExist=true
app.datasource.ds1.username=root
app.datasource.ds1.password=root
app.datasource.ds1.connection-timeout=50000
app.datasource.ds1.idle-timeout=300000
app.datasource.ds1.max-lifetime=900000
app.datasource.ds1.maximum-pool-size=8
app.datasource.ds1.minimum-idle=8
app.datasource.ds1.pool-name=MyPoolDS1
app.datasource.ds1.connection-test-query=select 1 from dual

app.datasource.ds2.url=jdbc:mysql://localhost:3306/coaches_db?createDatabaseIfNotExist=true
app.datasource.ds2.username=root
app.datasource.ds2.password=root
app.datasource.ds2.connection-timeout=50000
app.datasource.ds2.idle-timeout=300000
app.datasource.ds2.max-lifetime=900000
app.datasource.ds2.maximum-pool-size=4
app.datasource.ds2.minimum-idle=4
app.datasource.ds2.pool-name=MyPoolDS2
app.datasource.ds2.connection-test-query=select 1 from dual

spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect

logging.level.com.zaxxer.hikari.HikariConfig=DEBUG
logging.level.com.zaxxer.hikari=TRACE

spring.jpa.show-sql=true

@Configuration
public class ConfigureDataSources {

@Bean(name = "c1")
@Primary
@ConfigurationProperties("app.datasource.ds1")
public DataSourceProperties firstDataSourceProperties() {
return new DataSourceProperties();
}

@Bean(name = "c2")
@ConfigurationProperties("app.datasource.ds2")
public DataSourceProperties secondDataSourceProperties() {
return new DataSourceProperties();
}

@Bean(name = "ds1")
@Primary
@ConfigurationProperties("app.datasource.ds1")
public HikariDataSource firstDataSource(@Qualifier("c1") DataSourceProperties properties) {
return properties.initializeDataSourceBuilder().type(HikariDataSource.class)
.build();
}

@Bean(name = "ds2")
@ConfigurationProperties("app.datasource.ds2")
public HikariDataSource secondDataSource(@Qualifier("c2") DataSourceProperties properties) {
return properties.initializeDataSourceBuilder().type(HikariDataSource.class)
.build();
}
}

@Configuration
@EnableJpaRepositories(
entityManagerFactoryRef = "ds1EntityManagerFactory",
transactionManagerRef = "ds1TransactionManager",
basePackages = "com.jpa.ds1"
)
@EnableTransactionManagement
public class FirstEntityManagerFactory {

@Bean
@Primary
public LocalContainerEntityManagerFactoryBean ds1EntityManagerFactory(
EntityManagerFactoryBuilder builder, @Qualifier("ds1") DataSource dataSource) {
return builder
.dataSource(dataSource)
.packages(packagesToScan())
.persistenceUnit("ds1-pu")
.properties(singletonMap("hibernate.hbm2ddl.auto", "create"))
.build();
}

@Bean
@Primary
public PlatformTransactionManager ds1TransactionManager(
@Qualifier("ds1EntityManagerFactory") EntityManagerFactory ds1EntityManagerFactory) {
return new JpaTransactionManager(ds1EntityManagerFactory);
}

protected String[] packagesToScan() {
return new String[]{
"com.jpa.ds1"
};
}

}