Examples of javax.persistence.EntityManager.merge()

javax.persistence.EntityManager.merge()
Merge the state of the given entity into the current persistence context. @param entity @return the instance that the state was merged to @throws IllegalStateException if this EntityManager has been closed @throws IllegalArgumentException if instance is not anentity or is a removed entity @throws TransactionRequiredException if invoked on acontainer-managed entity manager of type PersistenceContextType.TRANSACTION and there is no transaction.

          
          if (appointment.getAppointmentId() == null) {
            session.persist(appointment);
              } else {
                if (!session.contains(appointment)) {
                  session.merge(appointment);
              }
          }


        }

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      if (ap.getAppointmentId() == null) {
        session.persist(ap);
          } else {
            if (!session.contains(ap)) {
              session.merge(ap);
          }
      }


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

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      if (ap.getAppointmentId() == null) {
        session.persist(ap);
          } else {
            if (!session.contains(ap)) {
              session.merge(ap);
          }
      }


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

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      tx.begin();
      if (app.getAppointmentId() == null) {
        session.persist(app);
          } else {
            if (!session.contains(app)) {
              session.merge(app);
          }
      }
            
      tx.commit();
      PersistenceSessionUtil.closeSession(idf);

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        Object idf = PersistenceSessionUtil.createSession();
        EntityManager session = PersistenceSessionUtil.getSession();
        EntityTransaction tx = session.getTransaction();
        tx.begin();
        r = session.merge(r);
        session.flush();
        long returnId = r.getRooms_id();
        tx.commit();
        PersistenceSessionUtil.closeSession(idf);

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        r.setDeleted("false");
        Object idf = PersistenceSessionUtil.createSession();
        EntityManager session = PersistenceSessionUtil.getSession();
        EntityTransaction tx = session.getTransaction();
        tx.begin();
        r = session.merge(r);
        long returnId = r.getRooms_id();
        tx.commit();
        PersistenceSessionUtil.closeSession(idf);
        
        this.addRoomToOrganisation(3, returnId, organisation_id);

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                    Object idf = PersistenceSessionUtil.createSession();
                    EntityManager session = PersistenceSessionUtil.getSession();
                    EntityTransaction tx = session.getTransaction();
                    tx.begin();
                    r = session.merge(r);


                    session.flush();
                    long returnId = r.getRooms_id();
                    tx.commit();
                    PersistenceSessionUtil.closeSession(idf);

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      EntityManager session = PersistenceSessionUtil.getSession();
      EntityTransaction tx = session.getTransaction();
      tx.begin();
      // CriteriaBuilder crit = session.getCriteriaBuilder();


      session.merge(ng);


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


    } catch (Exception ex2) {

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      Object idf = PersistenceSessionUtil.createSession();
      EntityManager session = PersistenceSessionUtil.getSession();
      EntityTransaction tx = session.getTransaction();
      tx.begin();
      
      recordingConversionJob = session.merge(recordingConversionJob);
      Long recordingConversionJobId = recordingConversionJob.getRecordingConversionJobId();
      
      tx.commit();
      PersistenceSessionUtil.closeSession(idf);

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        Object idf = PersistenceSessionUtil.createSession();
        EntityManager session = PersistenceSessionUtil.getSession();
        EntityTransaction tx = session.getTransaction();
        tx.begin();
        rOrganisation = session.merge(rOrganisation);
        session.flush();
        long returnId = rOrganisation.getRooms_organisation_id();
        tx.commit();
        PersistenceSessionUtil.closeSession(idf);
        return returnId;

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