我需要两个持久化上下文来管理不同数据库中的实体 .
我使用基于java的配置与spring 4.1.4,hibernate 4.3.7和spring data 1.2 .
基本上,CompanyApplicationContext导入两个持久化上下文:PersistenceContext和SharedDbPersistenceContext . 每个持久化上下文都有自己的数据源,事务管理器和实体管理器工厂 . 每个持久性上下文的实体和jpa存储库存在于单独的包中,并在持久性上下文类文件中提及 .
我收到此错误:
Not an managed type: class com.company.shared.model.ClientSetting
完全例外:
Caused by: java.lang.IllegalArgumentException: Not an managed type: class com.company.shared.model.ClientSetting
at org.hibernate.jpa.internal.metamodel.MetamodelImpl.managedType(MetamodelImpl.java:219)
我需要做什么额外配置才能使其工作?为什么每个上下文都没有正确扫描和注册实体和存储库?
主要应用背景:
package com.company.config;
@Configuration
@ComponentScan(basePackages
= "com.company"
)
@Import({
PersistenceContext.class,
SharedDbPersistenceContext.class})
public class CompanyApplicationContext extends WebMvcConfigurerAdapter {
}
持久性背景:
package com.company.config;
@Configuration
@EnableTransactionManagement
@EnableJpaRepositories(
basePackages = {"com.company.todo.repository"})
public class PersistenceContext {
@Resource
private Environment environment;
@Bean
public DataSource dataSource() {
BoneCPDataSource dataSource = new BoneCPDataSource();
//init data source
return dataSource;
}
@Bean
public JpaTransactionManager transactionManager() {
JpaTransactionManager transactionManager = new JpaTransactionManager();
transactionManager.setEntityManagerFactory(entityManagerFactory().getObject());
return transactionManager;
}
@Bean
public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
LocalContainerEntityManagerFactoryBean entityManagerFactoryBean = new LocalContainerEntityManagerFactoryBean();
entityManagerFactoryBean.setDataSource(dataSource());
entityManagerFactoryBean.setJpaVendorAdapter(new HibernateJpaVendorAdapter());
entityManagerFactoryBean.setPackagesToScan("com.company.todo.model");
Properties jpaProperties = new Properties();
//init jpa properties
entityManagerFactoryBean.setJpaProperties(jpaProperties);
return entityManagerFactoryBean;
}
}
共享Db持久性上下文:
package com.company.config;
@Configuration
@EnableTransactionManagement
@EnableJpaRepositories(
basePackages = {"com.company.shared.repository"})
public class SharedDbPersistenceContext {
@Resource
private Environment environment;
@Bean
public DataSource sharedDataSource() {
//init and return data source
}
@Bean
public JpaTransactionManager sharedDbTransactionManager() {
//init transaction manager
}
@Bean
public LocalContainerEntityManagerFactoryBean sharedEntityManagerFactory() {
LocalContainerEntityManagerFactoryBean entityManagerFactoryBean = new LocalContainerEntityManagerFactoryBean();
entityManagerFactoryBean.setDataSource(sharedDataSource());
entityManagerFactoryBean.setJpaVendorAdapter(new HibernateJpaVendorAdapter());
entityManagerFactoryBean.setPackagesToScan("com.company.shared.model");
Properties jpaProperties = new Properties();
//init jpaProperties
entityManagerFactoryBean.setJpaProperties(jpaProperties);
return entityManagerFactoryBean;
}
}
库:
package com.company.shared.repository;
@Repository
public interface ClientSettingsRepository extends JpaRepository<ClientSetting, Integer> {}
实体:
package com.company.shared.model;
@Entity
public class ClientSetting implements Serializable {
//props
}
服务:
package com.company.shared.service;
@Service
public class DataSourceServiceImpl implements DataSourceService{
@Autowired
ClientSettingsRepository clientSettingsRepository;
@Override
public List<ClientSetting> findClientDataSourceSettings() {
return clientSettingsRepository.findClientDataSourceSettings();
}
}
1 回答
事实证明我在@EnableJpaRepositories注释中缺少 entityManagerFactoryRef 和 transactionManagerRef
SharedDbPersistenceContext:
工作得很好 .