EntityManagerFactoryProvider.java 文件源码

private static void initEntityManagerFactory(DataSource dataSource) {
    logger.debug(DEBUG_INITIALIZING_ENTITY_MANAGER_FACTORY);

    Map<Object, Object> properties = new HashMap<>();
    properties.put(PersistenceUnitProperties.NON_JTA_DATASOURCE, dataSource);

    EntityManagerFactoryProvider.entityManagerFactory = Persistence
            .createEntityManagerFactory(PublicSourcingPersistenceUnit.NAME, properties);

    logger.debug(DEBUG_ENTITY_MANAGER_FACTORY_INITIALIZED);
}