本文整理了Java中javax.persistence.EntityManager.getEntityManagerFactory()方法的一些代码示例，展示了EntityManager.getEntityManagerFactory()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。EntityManager.getEntityManagerFactory()方法的具体详情如下：
包路径：javax.persistence.EntityManager
类名称：EntityManager
方法名：getEntityManagerFactory

EntityManager.getEntityManagerFactory介绍

[英]Return the entity manager factory for the entity manager.
[中]返回实体管理器的实体管理器工厂。

代码示例

代码示例来源：origin: rapidoid/rapidoid

@Override
public EntityManagerFactory getEntityManagerFactory() {
  return em.getEntityManagerFactory();
}

代码示例来源：origin: rapidoid/rapidoid

@Override
public EntityManagerFactory getEntityManagerFactory() {
  return em().getEntityManagerFactory();
}

代码示例来源：origin: spring-projects/spring-data-jpa

/**
 * Returns whether the named query with the given name exists.
 *
 * @param em must not be {@literal null}.
 * @param queryName must not be {@literal null}.
 * @return
 */
private static boolean hasNamedQuery(EntityManager em, String queryName) {
  /*
   * See DATAJPA-617, we have to use a dedicated em for the lookups to avoid a
   * potential rollback of the running tx.
   */
  EntityManager lookupEm = em.getEntityManagerFactory().createEntityManager();
  try {
    lookupEm.createNamedQuery(queryName);
    return true;
  } catch (IllegalArgumentException e) {
    LOG.debug("Did not find named query {}", queryName);
    return false;
  } finally {
    lookupEm.close();
  }
}

代码示例来源：origin: kiegroup/jbpm

protected EntityManager getEntityManager(Command<?> command) {
  EntityManager em = (EntityManager) txm.getResource(EnvironmentName.CMD_SCOPED_ENTITY_MANAGER);
  
  if (em != null && em.isOpen() && em.getEntityManagerFactory().equals(emf)) {
    
    return em;
  }
  
  return null; 
}

代码示例来源：origin: BroadleafCommerce/BroadleafCommerce

public static boolean isTransactionalEntityManager(EntityManager em) {
  EntityManager target = EntityManagerFactoryUtils.doGetTransactionalEntityManager(
            em.getEntityManagerFactory(), em.getProperties(), true);
  return target != null;
}

代码示例来源：origin: rapidoid/rapidoid

public boolean isLoaded(Object entity) {
  return em.getEntityManagerFactory().getPersistenceUnitUtil().isLoaded(entity);
}

代码示例来源：origin: rapidoid/rapidoid

public boolean isLoaded(Object entity, String attribute) {
  return em.getEntityManagerFactory().getPersistenceUnitUtil().isLoaded(entity, attribute);
}

代码示例来源：origin: rapidoid/rapidoid

public Object getIdentifier(Object entity) {
  return em.getEntityManagerFactory().getPersistenceUnitUtil().getIdentifier(entity);
}

代码示例来源：origin: spring-projects/spring-data-jpa

validatingEm = getEntityManager().getEntityManagerFactory().createEntityManager();
validatingEm.createQuery(query);

代码示例来源：origin: AxonFramework/AxonFramework

private void addNamedQueriesTo(EntityManager entityManager) {
  EntityManagerFactory entityManagerFactory = entityManager.getEntityManagerFactory();
  entityManagerFactory.addNamedQuery(LOAD_SAGA_NAMED_QUERY, entityManager.createQuery(LOAD_SAGA_QUERY));
  entityManagerFactory.addNamedQuery(
      DELETE_ASSOCIATION_NAMED_QUERY, entityManager.createQuery(DELETE_ASSOCIATION_QUERY)
  );
  entityManagerFactory.addNamedQuery(
      FIND_ASSOCIATION_IDS_NAMED_QUERY, entityManager.createQuery(FIND_ASSOCIATION_IDS_QUERY));
  entityManagerFactory.addNamedQuery(
      DELETE_ASSOCIATIONS_NAMED_QUERY, entityManager.createQuery(DELETE_ASSOCIATIONS_QUERY)
  );
  entityManagerFactory.addNamedQuery(
      FIND_ASSOCIATIONS_NAMED_QUERY, entityManager.createQuery(FIND_ASSOCIATIONS_QUERY)
  );
  entityManagerFactory.addNamedQuery(DELETE_SAGA_NAMED_QUERY, entityManager.createQuery(DELETE_SAGA_QUERY));
  entityManagerFactory.addNamedQuery(UPDATE_SAGA_NAMED_QUERY, entityManager.createQuery(UPDATE_SAGA_QUERY));
}

代码示例来源：origin: stackoverflow.com

em.getTransaction().commit();
PersistenceUnitUtil unitUtil = em.getEntityManagerFactory().getPersistenceUnitUtil();

代码示例来源：origin: kiegroup/jbpm

if (em != null && em.isOpen() && em.getEntityManagerFactory().equals(emf)) {
  sharedEM = true;
  return em;

代码示例来源：origin: hibernate/hibernate-orm

@Test
public void test() {
  SimpleEntity[] entities = new SimpleEntity[2];
  entities[0] = new SimpleEntity();
  entities[0].name = "test";
  TransactionUtil.doInJPA( this::sessionFactory, em -> {
    entities[1] = em.merge( entities[0] );
    assertNotNull( em.getEntityManagerFactory().getPersistenceUnitUtil().getIdentifier( entities[1] ) );
  } );
  // Call as detached entity
  try ( SessionFactory sessionFactory = sessionFactory() ) {
    assertNotNull( sessionFactory.getPersistenceUnitUtil().getIdentifier( entities[1] ) );
  }
}

代码示例来源：origin: hibernate/hibernate-orm

@Test
public void testJPQLUpperAttributeValueBindParameterType() throws Exception {
  doInJPA( this::entityManagerFactory, entityManager -> {
    //tag::basic-attribute-converter-query-parameter-converter-object-example[]
    SessionFactory sessionFactory = entityManager.getEntityManagerFactory()
        .unwrap( SessionFactory.class );
    MetamodelImplementor metamodelImplementor = (MetamodelImplementor) sessionFactory.getMetamodel();
    Type captionType = metamodelImplementor
        .entityPersister( Photo.class.getName() )
        .getPropertyType( "caption" );
    Photo photo = (Photo) entityManager.createQuery(
      "select p " +
      "from Photo p " +
      "where upper(caption) = upper(:caption) ", Photo.class )
    .unwrap( Query.class )
    .setParameter( "caption", new Caption("Nicolae Grigorescu"), captionType)
    .getSingleResult();
    //end::basic-attribute-converter-query-parameter-converter-object-example[]
    assertEquals( "Dorobantul", photo.getName() );
  } );
}

代码示例来源：origin: Impetus/Kundera

/**
 * Gets the persistence unit.
 *
 * @return the persistence unit
 */
private static String getPersistenceUnit()
{
  return (String) em.getEntityManagerFactory().getProperties().get(Constants.PERSISTENCE_UNIT_NAME);
}

代码示例来源：origin: hibernate/hibernate-orm

@Test
  public void testMaxSize() {
    doInJPA( this::entityManagerFactory, entityManager -> {
      EntityManagerFactory entityManagerFactory = entityManager.getEntityManagerFactory();
      SessionFactory sessionFactory = entityManagerFactory.unwrap( SessionFactory.class );

      assertEquals(
          expectedQueryStatisticsMaxSize(),
          sessionFactory.getSessionFactoryOptions().getQueryStatisticsMaxSize()
      );

      StatisticsImplementor statistics = (StatisticsImplementor) sessionFactory.getStatistics();

      for ( int i = 0; i < 10; i++ ) {
        statistics.queryExecuted( String.valueOf( i ), 100, i * 1000 );
      }

      assertEquals( 1000, statistics.getQueryStatistics( "1" ).getExecutionTotalTime() );

      for ( int i = 100; i < 300; i++ ) {
        statistics.queryExecuted( String.valueOf( i ), 100, i * 1000 );
      }

      assertEquals( 0, statistics.getQueryStatistics( "1" ).getExecutionTotalTime() );
    } );
  }
}

代码示例来源：origin: hibernate/hibernate-orm

entityManager.getEntityManagerFactory().getCache().evict( Person.class );

代码示例来源：origin: hibernate/hibernate-orm

entityManager.getEntityManagerFactory().getCache().evictAll();

代码示例来源：origin: Impetus/Kundera

/**
 * @param entityClassName
 * @param em
 * @return
 */
public static Class<?> getEntityClass(String entityClassName, EntityManager em) {
  MetamodelImpl metamodel = (MetamodelImpl) em.getEntityManagerFactory().getMetamodel();
  Class<?> entityClass = metamodel.getEntityClass(entityClassName);
  return entityClass;
}

代码示例来源：origin: hibernate/hibernate-orm

SessionImplementor sessionImplementor = entityManager.unwrap( SessionImplementor.class );
SessionFactory sessionFactory = entityManager.getEntityManagerFactory().unwrap( SessionFactory.class );
PersistenceUnitUtil persistenceUnitUtil = entityManager.getEntityManagerFactory().getPersistenceUnitUtil();