Examples of javax.persistence.EntityManager.persist()

javax.persistence.EntityManager.persist()
Make an entity instance managed and persistent. @param entity @throws EntityExistsException if the entity already exists.(The EntityExistsException may be thrown when the persist operation is invoked, or the EntityExistsException or another PersistenceException may be thrown at commit time.) @throws IllegalStateException if this EntityManager has been closed. @throws IllegalArgumentException if not an entity @throws TransactionRequiredException if invoked on acontainer-managed entity manager of type PersistenceContextType.TRANSACTION and there is no transaction.

      Object idf = PersistenceSessionUtil.createSession();
      EntityManager session = PersistenceSessionUtil.getSession();
      EntityTransaction tx = session.getTransaction();
      tx.begin();
      if (fId.getFlvRecordingId() == 0) {
        session.persist(fId);
          } else {
            if (!session.contains(fId)) {
              session.merge(fId);
          }
      }

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      Object idf = PersistenceSessionUtil.createSession();
      EntityManager session = PersistenceSessionUtil.getSession();
      EntityTransaction tx = session.getTransaction();
      tx.begin();
      if (fId.getFlvRecordingId() == 0) {
        session.persist(fId);
          } else {
            if (!session.contains(fId)) {
              session.merge(fId);
          }
      }

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      Object idf = PersistenceSessionUtil.createSession();
      EntityManager session = PersistenceSessionUtil.getSession();
      EntityTransaction tx = session.getTransaction();
      tx.begin();
      if (fId.getFlvRecordingId() == 0) {
        session.persist(fId);
          } else {
            if (!session.contains(fId)) {
              session.merge(fId);
          }
      }

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      Object idf = PersistenceSessionUtil.createSession();
      EntityManager session = PersistenceSessionUtil.getSession();
      EntityTransaction tx = session.getTransaction();
      tx.begin();
      if (fId.getFlvRecordingId() == 0) {
        session.persist(fId);
          } else {
            if (!session.contains(fId)) {
              session.merge(fId);
          }
      }

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      Object idf = PersistenceSessionUtil.createSession();
      EntityManager session = PersistenceSessionUtil.getSession();
      EntityTransaction tx = session.getTransaction();
      tx.begin();
      if (fId.getFlvRecordingId() == 0) {
        session.persist(fId);
          } else {
            if (!session.contains(fId)) {
              session.merge(fId);
          }
      }

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      Object idf = PersistenceSessionUtil.createSession();
      EntityManager session = PersistenceSessionUtil.getSession();
      EntityTransaction tx = session.getTransaction();
      tx.begin();
      if (conf.getConfiguration_id() == null) {
        session.persist(conf);
          } else {
            if (!session.contains(conf)) {
              conf = session.merge(conf);
          }
      }

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        Object idf = PersistenceSessionUtil.createSession();
        EntityManager session = PersistenceSessionUtil.getSession();
        EntityTransaction tx = session.getTransaction();
        tx.begin();
        if (appointment.getAppointmentId() == null) {
          session.persist(appointment);
            } else {
              if (!session.contains(appointment)) {
                session.merge(appointment);
            }
        }

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          ap.setAppointmentStarttime(appointmentstart);
           ap.setAppointmentEndtime(appointmentend);
          ap.setUpdatetime(new Date());
          if (ap.getAppointmentId() == null) {
            session.persist(ap);
              } else {
                if (!session.contains(ap)) {
                  session.merge(ap);
              }
          }

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          appointment.setPassword(password);
          //ap.setUserId(UsersDaoImpl.getInstance().getUser(userId));
          appointment.setAppointmentCategory(appointmentCategory);
          
          if (appointment.getAppointmentId() == null) {
            session.persist(appointment);
              } else {
                if (!session.contains(appointment)) {
                  session.merge(appointment);
              }
          }

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      EntityManager session = PersistenceSessionUtil.getSession();
      EntityTransaction tx = session.getTransaction();
      tx.begin();
      
      if (ap.getAppointmentId() == null) {
        session.persist(ap);
          } else {
            if (!session.contains(ap)) {
              session.merge(ap);
          }
      }

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