HibernateEntityManagerFactoryProvider.java 文件源码

@Override
public Future<EntityManagerFactory> getEntityManagerFactory(String datasourceName) {

  Properties properties = createProperties();

  PersistenceProvider provider = new HibernatePersistenceProvider();

  SmartPersistanceUnitInfo persistenceUnitInfo = new DefaultPersistenceUnitInfoImpl(datasourceName);
  persistenceUnitInfo.setProperties(properties);

  // Using RESOURCE_LOCAL for manage transactions on DAO side.
  persistenceUnitInfo.setTransactionType(PersistenceUnitTransactionType.RESOURCE_LOCAL);

  Map<Object, Object> configuration = new HashMap<>();
  properties.entrySet().stream().forEach(e -> configuration.put(e.getKey(), e.getValue()));

  synchronized (vertx) {

    Future<EntityManagerFactory> future = Future.future();
    vertx.executeBlocking(f1 -> {

      config.getJsonArray("annotated_classes", new JsonArray()).stream()
          .forEach(p -> scanAnnotatedClasses(p.toString(), persistenceUnitInfo));
      EntityManagerFactory emf = provider.createContainerEntityManagerFactory(persistenceUnitInfo, configuration);
      future.complete(emf);
    }, future.completer());
    return future;
  }
}