Пример #1
0
        private void SetValue(DTEntity target, object value, string findExp)
        {
            var parent = target.Parent as DTEObject;

            if (parent == null)
            {
                throw new DTOException("表达式错误" + findExp);
            }

            var query = QueryExpression.Create(target.Name);

            parent.SetEntity(query, (name) =>
            {
                var dtoValue = value as DTObject;
                if (dtoValue != null)
                {
                    var t          = dtoValue.Clone();
                    var newEntity  = t.GetRoot();
                    newEntity.Name = name;
                    return(newEntity);
                }
                else
                {
                    DTObject t = DTObject.CreateReusable();
                    t.SetValue(value);
                    var newEntity = t.GetRoot().GetFirstEntity();
                    if (newEntity == null)
                    {
                        throw new DTOException("预期之外的错误," + findExp);
                    }
                    newEntity.Name = name;
                    return(newEntity);
                }
            });
        }
Пример #2
0
        private object GetValue(DTEntity e, Func <object, object> transformValue, bool isReadOnly)
        {
            var ve = e as DTEValue;

            if (ve != null)
            {
                return(transformValue(ve.Value));
            }

            var le = e as DTEList;

            if (le != null)
            {
                var list  = le.GetObjects();
                var value = list.Select((item) =>
                {
                    if (item.IsSingleValue)
                    {
                        return(item.GetValue());
                    }
                    return(item);
                }).ToArray();
                return(transformValue(value));
            }

            var oe = e as DTEObject;

            if (oe != null)
            {
                var value = DTOPool.CreateObject(oe, isReadOnly, oe.IsPinned);
                return(transformValue(value));
            }
            return(null);
        }
Пример #3
0
        public object GetValue(string findExp, bool throwError)
        {
            DTEntity entity = FindEntity(findExp, throwError);

            if (entity == null)
            {
                return(null);
            }
            return(GetValue(entity));
        }
Пример #4
0
        private static DTObject CreateDTObject(DTEntity root, bool isReadOnly, bool isPinned)
        {
            var o = root as DTEObject;
            if (o != null) return DTOPool.CreateObject(o, isReadOnly, isPinned);

            var members = DTOPool.CreateDTEntities(isPinned);
            members.Add(root);

            o = DTOPool.CreateDTEObject(members, isPinned);
            return DTOPool.CreateObject(o, isReadOnly, isPinned);
        }
Пример #5
0
        //internal T[] FindEntities<T>(string findExp, bool throwError) where T : DTEntity
        //{
        //    List<T> list = new List<T>();
        //    var query = QueryExpression.Create(findExp);
        //    var es = _root.FindEntities(query);
        //    foreach (var e in es)
        //    {
        //        var temp = e as T;
        //        if (temp != null) list.Add(temp);
        //    }

        //    if (list.Count == 0)
        //    {
        //        if (throwError)
        //            throw new NotFoundDTEntityException("没有找到" + findExp + "对应的DTO实体!");
        //        return list.ToArray();
        //    }
        //    return list.ToArray();
        //}

        private T FindEntity <T>(string findExp, bool throwError) where T : DTEntity
        {
            DTEntity e = FindEntity(findExp, throwError);

            if (e == null)
            {
                return(null);
            }
            T entity = e as T;

            if (entity == null && throwError)
            {
                throw new DTOTypeErrorException("表达式" + findExp + "对应的DTO不是" + typeof(T).FullName + "!");
            }
            return(entity);
        }
Пример #6
0
        public override void DeletEntity(DTEntity entity)
        {
            DTObject taget = null;

            foreach (var child in Items)
            {
                if (child.GetRoot() == entity)
                {
                    taget = child;
                    break;
                }
            }
            if (taget != null)
            {
                Items.Remove(taget);
            }
            this.Changed();
        }
Пример #7
0
        public object GetValue(string findExp, bool throwError)
        {
            DTEntity entity = FindEntity(findExp, throwError);

            if (entity == null)
            {
                return(null);
            }
            switch (entity.Type)
            {
            case DTEntityType.Value:
            {
                var ev = entity as DTEValue;
                if (ev != null)
                {
                    return(ev.Value);
                }
            }
            break;

            case DTEntityType.Object:
            {
                var eo = entity as DTEObject;
                if (eo != null)
                {
                    return(DTOPool.CreateObject(eo, this.IsReadOnly, this.IsPinned));
                }
            }
            break;

            case DTEntityType.List:
            {
                var el = entity as DTEList;
                if (el != null)
                {
                    return(el.GetObjects());
                }
            }
            break;
            }
            return(null);
        }
Пример #8
0
        internal DTEntity FindEntity(string findExp, bool throwError)
        {
            var query = QueryExpression.Create(findExp);

            DTEntity entity = null;
            var      es     = _root.FindEntities(query);

            if (es.Count() > 0)
            {
                entity = es.First();
            }

            if (entity == null)
            {
                if (throwError)
                {
                    throw new NotFoundDTEntityException("没有找到" + findExp + "对应的DTO实体!");
                }
                return(null);
            }
            return(entity);
        }
Пример #9
0
        //public Dictionary<string, T> GetDictionary<T>()
        //{
        //    return GetDictionary<T>(string.Empty, false);
        //}

        //public Dictionary<string, T> GetDictionary<T>(string findExp)
        //{
        //    return GetDictionary<T>(findExp, false);
        //}

        ///// <summary>
        ///// 本质上来说,json就是一组键值对,因此可以获取键值对形式的值
        ///// </summary>
        ///// <typeparam name="T"></typeparam>
        ///// <param name="findExp"></param>
        ///// <param name="throwError"></param>
        ///// <returns></returns>
        //public Dictionary<string, T> GetDictionary<T>(string findExp, bool throwError)
        //{
        //    var entities = this.FindEntities(findExp, throwError);
        //    var dictionary = new Dictionary<string, T>(entities.Length);
        //    foreach (var entity in entities)
        //    {
        //        var key = entity.Name;
        //        var value = CreateEntityValue(entity);
        //        if (value is T)
        //            dictionary.Add(key, (T)value);
        //    }
        //    return dictionary;
        //}

        private object CreateEntityValue(DTEntity entity)
        {
            switch (entity.Type)
            {
            case DTEntityType.Value:
            {
                var temp = entity as DTEValue;
                if (temp != null)
                {
                    return(temp.Value);
                }
            }
            break;

            case DTEntityType.Object:
            {
                var temp = entity as DTEObject;
                if (temp != null)
                {
                    return(DTOPool.CreateObject(temp, this.IsReadOnly, this.IsPinned));
                }
            }
            break;

            case DTEntityType.List:
            {
                var temp = entity as DTEList;
                if (temp != null)
                {
                    return(temp.GetObjects());
                }
            }
            break;
            }
            throw new DTOException("在CreateEntityValue发生未知的错误,entity类型为" + entity.GetType());
        }
Пример #10
0
        private object GetValue(DTEntity entity)
        {
            switch (entity.Type)
            {
            case DTEntityType.Value:
            {
                var ev = entity as DTEValue;
                if (ev != null)
                {
                    return(ev.Value);
                }
            }
            break;

            case DTEntityType.Object:
            {
                var eo = entity as DTEObject;
                if (eo != null)
                {
                    return(DTOPool.CreateObject(eo, this.IsReadOnly, this.IsPinned));
                }
            }
            break;

            case DTEntityType.List:
            {
                var el = entity as DTEList;
                if (el != null)
                {
                    return(el.GetObjects());
                }
            }
            break;
            }
            return(null);
        }
Пример #11
0
 public override void DeletEntity(DTEntity e)
 {
     _entities.Remove(e);
     //OrderSelfMembers();
     Changed();
 }
Пример #12
0
 public override void DeletEntity(DTEntity e)
 {
     throw new NotImplementedException("DTValue.DeletEntity");
 }
Пример #13
0
 public ReservedInfo(DTEntity entity, bool isComplete)
 {
     this.Entity     = entity;
     this.IsComplete = isComplete;
 }
Пример #14
0
        private void CollectSchemaCode(DTEntity entity, Type objectType)
        {
            if (DataUtil.IsPrimitiveType(objectType))
            {
                _codes.Add(entity.Name, entity.GetSchemaCode(false));
                return;
            }

            //以下是处理集合和对象的类型
            if (objectType.IsList())
            {
                var elementType = objectType.ResolveElementType();
                var sc          = entity.GetSchemaCode(false);
                var pos         = sc.IndexOf(":");
                if (pos > -1)
                {
                    //对于集合类型找出成员的架构代码
                    var elementSC = sc.Substring(pos + 1).TrimStart("[").TrimEnd("]"); //定义了架构代码
                    _codes.Add(entity.Name, elementSC);
                    //记忆一次
                    TryAddTypeCode(elementType, elementSC);
                    return;
                }


                string code = null;
                //没有定义架构代码,先尝试从类型代码中获取
                if (_typeCodes.TryGetValue(elementType, out code))
                {
                    _codes.Add(entity.Name, code);
                }
                else
                {
                    _codes.Add(entity.Name, string.Empty); //定义空的架构,代表全部属性
                }
            }
            else
            {
                //Object的处理
                var sc  = entity.GetSchemaCode(false);
                var pos = sc.IndexOf(":");
                if (pos > -1)
                {
                    sc = sc.Substring(pos + 1); //定义了架构代码
                    _codes.Add(entity.Name, sc);
                    //记忆一次
                    TryAddTypeCode(objectType, sc);
                    return;
                }


                string code = null;
                //没有定义架构代码,先尝试从类型代码中获取
                if (_typeCodes.TryGetValue(objectType, out code))
                {
                    _codes.Add(entity.Name, code);
                }
                else
                {
                    _codes.Add(entity.Name, string.Empty); //定义空的架构,代表全部属性
                }
            }
        }
Пример #15
0
 /// <summary>
 /// 删除成员
 /// </summary>
 /// <param name="e"></param>
 public abstract void DeletEntity(DTEntity e);