Examples of javax.persistence.EntityManager.refresh()

javax.persistence.EntityManager.refresh()
Refresh the state of the instance from the database, overwriting changes made to the entity, if any. @param entity @throws IllegalStateException if this EntityManager has been closed @throws IllegalArgumentException if not an entityor entity is not managed @throws TransactionRequiredException if invoked on acontainer-managed entity manager of type PersistenceContextType.TRANSACTION and there is no transaction. @throws EntityNotFoundException if the entity no longerexists in the database

      
      recordingClient = session.merge(recordingClient);
      Long recordingClientId = recordingClient.getRecordingclient_id();
      
      session.flush();
      session.refresh(recordingClient);
      
      tx.commit();
      PersistenceSessionUtil.closeSession(idf);
      
      return recordingClientId;

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      try {
        flvRecording = (FlvRecording) query.getSingleResult();
        } catch (NoResultException ex) {
        }
      
      session.refresh(flvRecording);
      
      tx.commit();
      PersistenceSessionUtil.closeSession(idf);
      
      return flvRecording;

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        EntityManager session = PersistenceSessionUtil.getSession();
        EntityTransaction tx = session.getTransaction();
        tx.begin();
        configuration = session.merge(configuration);
        session.flush();
        session.refresh(configuration);
        tx.commit();
        PersistenceSessionUtil.closeSession(idf);
        ret = "Erfolgreich";
      } catch (Exception ex2) {
        log.error("[addConfByKey]: " ,ex2);

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      query.setParameter("deleted", "true");
      List ll = query.getResultList();
      if (ll.size()>0){
        room = (Rooms) ll.get(0);
        session.flush();
        session.refresh(room);
      }
      
      
      tx.commit();
      PersistenceSessionUtil.closeSession(idf);

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      EntityManager session = PersistenceSessionUtil.getSession();
      EntityTransaction tx = session.getTransaction();
      tx.begin();


      us = session.merge(us);
      session.refresh(us);


      tx.commit();
      PersistenceSessionUtil.closeSession(idf);


      return us;

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      EntityManager session = PersistenceSessionUtil.getSession();
      EntityTransaction tx = session.getTransaction();
      tx.begin();
      userdata = session.merge(userdata);
      session.flush();
      session.refresh(userdata);
      tx.commit();
      PersistenceSessionUtil.closeSession(idf);
      ret = "success";
    } catch (Exception ex2) {
      log.error("addUserdata", ex2);

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  public void refresh(Object entity)
  {
    EntityManager em = getCurrent();
    
    if (em != null) {
      em.refresh(entity);
      return;
    }


    try {
      if (_ut.getStatus() == Status.STATUS_NO_TRANSACTION)

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    }


    em = createEntityManager();
    
    try {
      em.refresh(entity);
    } finally {
      freeEntityManager(em);
    }
  }

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  public void refresh(Object entity, Map<String, Object> properties)
  {
    EntityManager em = getCurrent();
    
    if (em != null) {
      em.refresh(entity, properties);
      return;
    }
    
    em = createEntityManager();

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    }
    
    em = createEntityManager();
    
    try {
      em.refresh(entity, properties);
    } finally {
      freeEntityManager(em);
    }
  }

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