Examples of javax.jdo.PersistenceManager.detachCopy()

javax.jdo.PersistenceManager.detachCopy()
Detach the specified instance from the PersistenceManager. The flags for detachment (DETACH_LOAD_FIELDS and DETACH_UNLOAD_FIELDS) and the active fetch groups determine the scope of fetching for the graph of instances reachable from the pc parameter. The state of fields in the affected instances is as specified by the FetchPlan. @param pc the instance to detach @return the detached instance @see #detachCopyAll(Object[]) @since 2.0

  public static UsuarioLN getUsuarioLNbyId(Long id) {
      PersistenceManager pm = PMF.get().getPersistenceManager();
      UsuarioLN usuario, detached = null;
      try {
        usuario = pm.getObjectById(UsuarioLN.class, id);
          detached = pm.detachCopy(usuario);
      } catch (Exception e) {
        log.error(e.getMessage());          
      } finally {
          pm.close();
      }

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      EquipoLN sitio, detached = null;
      try {
        Key k1 = KeyFactory.createKey(NegocioLN.class.getSimpleName(), idNegocio);
        Key k2 = KeyFactory.createKey(k1,EquipoLN.class.getSimpleName(), idSitio);
        sitio = pm.getObjectById(EquipoLN.class, k2);
          detached = pm.detachCopy(sitio);
      } catch (Exception e) {
        log.error(e.getMessage());          
      } finally {
          pm.close();
      }

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  public static EquipoLN getEquipoLNbyId2(Key key) {
      PersistenceManager pm = PMF.get().getPersistenceManager();
      EquipoLN equipo, detached = null;
      try {
        equipo = pm.getObjectById(EquipoLN.class, key);
          detached = pm.detachCopy(equipo);
      } catch (Exception e) {
        log.error(e.getMessage());          
      } finally {
          pm.close();
      }

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  public static ImagenLN getFoto(Long id) {
    PersistenceManager pm = PMF.get().getPersistenceManager();
    ImagenLN foto, detached = null;
    try {
        foto = pm.getObjectById(ImagenLN.class, id);
          detached = pm.detachCopy(foto);
    } catch (Exception e) {
      log.error(e.getMessage());
    } finally {
      pm.close();
    }

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      Key k1 = KeyFactory.createKey(UsuarioLN.class.getSimpleName(),
          idUsuario);
      Key k2 = KeyFactory.createKey(k1, NovedadLN.class.getSimpleName(),
          idVisita);
      novedad = pm.getObjectById(NovedadLN.class, k2);
      detached = pm.detachCopy(novedad);
    } catch (Exception e) {
      log.error(e.getMessage());
    } finally {
      pm.close();
    }

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  public static TipoLN getTipoLVSbyId(Long id) {
      PersistenceManager pm = PMF.get().getPersistenceManager();
      TipoLN item, detached = null;
      try {
        item = pm.getObjectById(TipoLN.class, id);
          detached = pm.detachCopy(item);
      } catch (Exception e) {
        log.error(e.getMessage());          
      } finally {
          pm.close();
      }

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        pm.getFetchPlan().setMaxFetchDepth(-1);
        Object result = null;
        try {
            pm.currentTransaction().begin();
            result = pm.getObjectById(id);
            result = pm.detachCopy(result);
            pm.currentTransaction().commit();


        } finally {
            if (pm.currentTransaction().isActive()) {
                pm.currentTransaction().rollback();

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                }
            }


            pm.makePersistent( object );


            object = pm.detachCopy( object );


            tx.commit();


            return object;
        }

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                objectId = pm.newObjectIdInstance( clazz, id );
            }


            Object object = pm.getObjectById( objectId );


            object = pm.detachCopy( object );


            tx.commit();


            return object;
        }

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    try {
      event = pm.getObjectById(Event.class, id);


      // Detach event
      event = pm.detachCopy(event);
    } catch (JDOObjectNotFoundException e) {
      return null;
    } finally {
      pm.close();
    }

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