/// <summary> /// Get an existing business object. /// </summary> /// <param name="objectType">Type of business object to retrieve.</param> /// <param name="criteria">Criteria object describing business object.</param> /// <param name="context"> /// <see cref="Server.DataPortalContext" /> object passed to the server. /// </param> public DataPortalResult Fetch(Type objectType, object criteria, DataPortalContext context) { try { context.FactoryInfo = ObjectFactoryAttribute.GetObjectFactoryAttribute(objectType); if (context.FactoryInfo == null) { var dp = new SimpleDataPortal(); return(dp.Fetch(objectType, criteria, context)); } else { var dp = new FactoryDataPortal(); return(dp.Fetch(objectType, criteria, context)); } } catch (DataPortalException) { throw; } catch (Exception ex) { throw new DataPortalException( "DataPortal.Fetch " + Resources.FailedOnServer, ex, new DataPortalResult()); } }
/// <summary> /// Update a business object. /// </summary> /// <param name="obj">Business object to update.</param> /// <param name="context"> /// <see cref="Server.DataPortalContext" /> object passed to the server. /// </param> public DataPortalResult Update(object obj, DataPortalContext context) { try { context.FactoryInfo = ObjectFactoryAttribute.GetObjectFactoryAttribute(obj.GetType()); if (context.FactoryInfo == null) { var dp = new SimpleDataPortal(); return(dp.Update(obj, context)); } else { var dp = new FactoryDataPortal(); return(dp.Update(obj, context)); } } catch (DataPortalException) { throw; } catch (Exception ex) { throw new DataPortalException( "DataPortal.Update " + Resources.FailedOnServer, ex, new DataPortalResult(obj)); } }
/// <summary> /// Gets a reference to the DataPortal_Fetch method for /// the specified business object type. /// </summary> /// <param name="objectType">Type of the business object.</param> /// <param name="criteria">Criteria parameter value.</param> /// <remarks> /// If the criteria parameter value is an integer, that is a special /// flag indicating that the parameter should be considered missing /// (not Nothing/null - just not there). /// </remarks> internal static DataPortalMethodInfo GetFetchMethod(Type objectType, object criteria) { // an "Integer" criteria is a special flag indicating // that criteria is empty and should not be used DataPortalMethodInfo method = null; var factoryInfo = ObjectFactoryAttribute.GetObjectFactoryAttribute(objectType); if (factoryInfo == null) { if (criteria is int) { method = GetMethodInfo(objectType, "DataPortal_Fetch"); } else { method = GetMethodInfo(objectType, "DataPortal_Fetch", criteria); } } else { var factoryType = FactoryDataPortal.FactoryLoader.GetFactoryType(factoryInfo.FactoryTypeName); if (factoryType != null) { if (criteria is int) { method = GetMethodInfo( factoryType, factoryInfo.FetchMethodName); } else { method = GetMethodInfo( FactoryDataPortal.FactoryLoader.GetFactoryType(factoryInfo.FactoryTypeName), factoryInfo.FetchMethodName, criteria); } } else { method = new DataPortalMethodInfo(); } } return(method); }
public DataPortalResult Update(object obj, DataPortalContext context) { try { SetContext(context); Authorize(new AuthorizeRequest(obj.GetType(), obj, DataPortalOperations.Update)); DataPortalResult result; DataPortalMethodInfo method; var factoryInfo = ObjectFactoryAttribute.GetObjectFactoryAttribute(obj.GetType()); if (factoryInfo != null) { var factoryType = FactoryDataPortal.FactoryLoader.GetFactoryType(factoryInfo.FactoryTypeName); var bbase = obj as Core.BusinessBase; if (bbase != null && bbase.IsDeleted) { method = Server.DataPortalMethodCache.GetMethodInfo(factoryType, factoryInfo.DeleteMethodName, new object[] { obj }); } else { method = Server.DataPortalMethodCache.GetMethodInfo(factoryType, factoryInfo.UpdateMethodName, new object[] { obj }); } } else { string methodName; var bbase = obj as Core.BusinessBase; if (bbase != null) { if (bbase.IsDeleted) { methodName = "DataPortal_DeleteSelf"; } else if (bbase.IsNew) { methodName = "DataPortal_Insert"; } else { methodName = "DataPortal_Update"; } } else if (obj is CommandBase) { methodName = "DataPortal_Execute"; } else { methodName = "DataPortal_Update"; } method = DataPortalMethodCache.GetMethodInfo(obj.GetType(), methodName); } context.TransactionalType = method.TransactionalType; IDataPortalServer portal; switch (method.TransactionalType) { case TransactionalTypes.EnterpriseServices: portal = new ServicedDataPortal(); try { result = portal.Update(obj, context); } finally { ((ServicedDataPortal)portal).Dispose(); } break; case TransactionalTypes.TransactionScope: portal = new TransactionalDataPortal(); result = portal.Update(obj, context); break; default: portal = new DataPortalSelector(); result = portal.Update(obj, context); break; } return(result); } catch (YYT.Server.DataPortalException ex) { Exception tmp = ex; throw; } catch (Exception ex) { throw new DataPortalException( "DataPortal.Update " + Resources.FailedOnServer, ex, new DataPortalResult()); } finally { ClearContext(context); } }