/// <summary> /// Create a new business object. /// </summary> /// <param name="objectType">Type of business object to create.</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 Create( Type objectType, object criteria, DataPortalContext context) { try { SetContext(context); Authorize(new AuthorizeRequest(objectType, criteria, DataPortalOperations.Create)); DataPortalResult result; DataPortalMethodInfo method = DataPortalMethodCache.GetCreateMethod(objectType, criteria); IDataPortalServer portal; switch (method.TransactionalType) { case TransactionalTypes.EnterpriseServices: portal = new ServicedDataPortal(); try { result = portal.Create(objectType, criteria, context); } finally { ((ServicedDataPortal)portal).Dispose(); } break; case TransactionalTypes.TransactionScope: portal = new TransactionalDataPortal(); result = portal.Create(objectType, criteria, context); break; default: portal = new DataPortalSelector(); result = portal.Create(objectType, criteria, context); break; } return(result); } catch (YYT.Server.DataPortalException ex) { Exception tmp = ex; throw; } catch (Exception ex) { throw new DataPortalException( "DataPortal.Create " + Resources.FailedOnServer, ex, new DataPortalResult()); } finally { ClearContext(context); } }
public static DataPortalMethodInfo GetMethodInfo(Type objectType, string methodName, params object[] parameters) { var key = new MethodCacheKey(objectType.Name, methodName, MethodCaller.GetParameterTypes(parameters)); DataPortalMethodInfo result = null; if (!_cache.TryGetValue(key, out result)) { lock (_cache) { if (!_cache.TryGetValue(key, out result)) { result = new DataPortalMethodInfo(MethodCaller.GetMethod(objectType, methodName, parameters)); _cache.Add(key, result); } } } return(result); }
/// <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); }