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.

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

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

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      EntityManager session = PersistenceSessionUtil.getSession();
      EntityTransaction tx = session.getTransaction();
      tx.begin();
      
      if (flvRecordingMetaDelta.getFlvRecordingMetaDataId() == 0) {
        session.persist(flvRecordingMetaDelta);
          } else {
            if (!session.contains(flvRecordingMetaDelta)) {
              session.merge(flvRecordingMetaDelta);
          }
      }

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

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      for (Invitations inv : listInvitations) {
        inv.setValidFrom(gmtTimeStartShifted);
        inv.setValidTo(appointmentend);
        if (inv.getInvitations_id() == null) {
          session.persist(inv);
            } else {
              if (!session.contains(inv)) {
                session.merge(inv);
            }
        }

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

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

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

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      EntityManager session = PersistenceSessionUtil.getSession();
      EntityTransaction tx = session.getTransaction();
      tx.begin();
      
      if (flvRecordingMetaData.getFlvRecordingMetaDataId() == 0) {
        session.persist(flvRecordingMetaData);
          } else {
            if (!session.contains(flvRecordingMetaData)) {
              session.merge(flvRecordingMetaData);
          }
      }

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