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C# GraphDBType.AddMandatoryAttribute方法代码示例

本文整理汇总了C#中sones.GraphDB.TypeManagement.GraphDBType.AddMandatoryAttribute方法的典型用法代码示例。如果您正苦于以下问题:C# GraphDBType.AddMandatoryAttribute方法的具体用法?C# GraphDBType.AddMandatoryAttribute怎么用?C# GraphDBType.AddMandatoryAttribute使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在sones.GraphDB.TypeManagement.GraphDBType的用法示例。


在下文中一共展示了GraphDBType.AddMandatoryAttribute方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: AddAttributeToType

        /// <summary>
        /// Adds an attribute with given name and type to the class with the given name
        /// </summary>
        /// <param name="targetClass">The class, we want to add the new attribute to.</param>
        /// <param name="myAttributeName">The name of the attribute.</param>
        /// <param name="attributeType">The type of the attribute.</param>
        /// <returns>Ture, if the attribute could be added to the target class. Else, false. (attribute contained in superclass)</returns>
        public Exceptional<ResultType> AddAttributeToType(GraphDBType mytype, TypeAttribute myTypeAttribute)
        {
            #region check if already initialized

            if (GetTypeByUUID(myTypeAttribute.DBTypeUUID) == null)
            {
                return new Exceptional<ResultType>(new Error_TypeDoesNotExist(myTypeAttribute.DBTypeUUID.ToString()));
            }

            #endregion

            #region Check if any ParentType already have an attribute with this name

            foreach (var aType in GetAllParentTypes(mytype, true, true))
            {
                if (aType.GetTypeAttributeByName(myTypeAttribute.Name) != null)
                {
                    return new Exceptional<ResultType>(new Error_AttributeExistsInSupertype(myTypeAttribute.Name, aType.Name));
                }
            }

            #endregion

            #region adapt type

            //if we reach this code, no other superclass contains an attribute with this name, so add it!
            myTypeAttribute.RelatedGraphDBTypeUUID = mytype.UUID;

            if (myTypeAttribute.DefaultValue != null)
            {
                mytype.AddMandatoryAttribute(myTypeAttribute.UUID, this);
            }

            mytype.AddAttribute(myTypeAttribute, this, true);

            var FlushExcept = FlushType(mytype);

            if (FlushExcept.Failed())
                return new Exceptional<ResultType>(FlushExcept);

            #endregion

            #region update lookup tables ob sub-classes

            foreach (var aSubType in GetAllSubtypes(mytype, false))
            {
                aSubType.AttributeLookupTable.Add(myTypeAttribute.UUID, myTypeAttribute);
            }

            #endregion

            return new Exceptional<ResultType>(ResultType.Successful);
        }
开发者ID:TheByte,项目名称:sones,代码行数:60,代码来源:DBTypeManager.cs


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