Beispiel #1
0
        /// <summary>
        /// 从一条原油中判断或条件集合是否可用
        /// </summary>
        /// <param name="OrSimQueList"></param>
        /// <param name="oilInfoID"></param>
        /// <returns></returns>
        private static TempSimliarityEntity getDataFromOrSimilarSearchList(IList <OilSimilarSearchEntity> OrSimQueList, int oilInfoID)
        {
            TempSimliarityEntity tempsimliarEntity = new TempSimliarityEntity(); //key = SUM , value = sumWeight
            double gMatch  = 0;                                                  //返回结果
            double gWeight = 0;                                                  //权重

            #region "输入条件处理"
            if (OrSimQueList == null)
            {
                return(tempsimliarEntity);
            }

            if (OrSimQueList.Count <= 0)
            {
                return(tempsimliarEntity);
            }

            if (OrSimQueList[0].LeftParenthesis != "(")//队列的头部不为左括号
            {
                return(tempsimliarEntity);
            }

            if (OrSimQueList[OrSimQueList.Count - 1].RightParenthesis != ")")//队列的尾部为右括号
            {
                return(tempsimliarEntity);
            }
            #endregion

            #region "Or条件判断"
            foreach (var simItem in OrSimQueList)//循环每一个Or条件
            {
                double tempMatch = 0, tempWeight = 0;
                string strCalData = getCalValueFromOilDataSearch(simItem, oilInfoID);

                if (strCalData == string.Empty || strCalData == null || strCalData == "非数字")
                {
                    tempsimliarEntity.Match  = double.NaN;
                    tempsimliarEntity.Weight = gWeight;

                    continue;
                }
                float tempfValue = 0;
                if (!float.TryParse(strCalData, out tempfValue))
                {
                    tempsimliarEntity.Match  = double.NaN;
                    tempsimliarEntity.Weight = gWeight;

                    continue;
                }

                float fValue = simItem.Fvalue;
                float weight = simItem.Weight;
                float Diff   = simItem.Diff;
                if (Diff > 0)
                {
                    tempMatch  = BaseFunction.FunToolSimilarity(tempfValue, fValue, weight, Diff);// weight * ((double)(1 - Math.Pow((Math.Abs(tempfValue - fValue) / Diff), 1 / 3)));  //得到的运算符左边的相似度值
                    tempWeight = weight;

                    if (tempMatch > gMatch)
                    {
                        gMatch  = tempMatch;
                        gWeight = tempWeight;
                    }
                }
                else
                {
                    if (1 > gMatch)
                    {
                        gMatch  = 1;
                        gWeight = weight;
                    }
                }
            }
            #endregion

            tempsimliarEntity.Match  = gMatch;
            tempsimliarEntity.Weight = gWeight;
            return(tempsimliarEntity);
        }
Beispiel #2
0
        /// <summary>
        /// 相似查找,返回对应的原油ID
        /// </summary>
        /// <param name="oilProperty">相似查找条件的实体集合OilSimilarSearchEntityList</param>
        /// <returns></returns>
        public IDictionary <string, double> GetOilSimInfoCrudeIndex(IList <OilSimilarSearchEntity> similarSearchEntityList)
        {
            IDictionary <string, double> crudeIndexSimDic = new Dictionary <string, double>();

            #region "输入条件判断"
            IList <string> resultCrudeIndexList = new List <string>(); //存放满足条件的原油编号
            if (similarSearchEntityList == null)                       //查找条件为空
            {
                return(crudeIndexSimDic);
            }
            if (similarSearchEntityList.Count == 0)//查找条件为空
            {
                return(crudeIndexSimDic);
            }
            #endregion

            #region "初始化判断条件"
            string sqlWhere = "select distinct(oilInfoID) from OilDataSearch";
            OilDataSearchAccess oilDataSearchAccess        = new OilDataSearchAccess();
            List <int>          oilDataSearchOilInfoIDList = oilDataSearchAccess.getId(sqlWhere); //获取OilDataSearch表中的所有oilInfoID

            foreach (int oilInfoBID in oilDataSearchOilInfoIDList)                                //从C库中查找到的原油编号
            {
                OilInfoBEntity bEntity = OilBll.GetOilBByID(oilInfoBID);
                List <TempSimliarityEntity> tempList = new List <TempSimliarityEntity>();
                if (bEntity != null)
                {
                    tempSimliarDic[bEntity.crudeIndex] = tempList;
                }
            }

            #endregion

            #region "范围查找中And和or两种类型的判断的归类-----以及Or逻辑的计算"
            IList <OilSimilarSearchEntity> searchAnd = new List <OilSimilarSearchEntity>(); //范围查找用(and条件)
            IList <OilSimilarSearchEntity> searchOr  = new List <OilSimilarSearchEntity>(); //范围查找用(or条件)
            foreach (OilSimilarSearchEntity currentOilSimilarSearchEntity in similarSearchEntityList)
            {
                if (currentOilSimilarSearchEntity.IsAnd && currentOilSimilarSearchEntity.RightParenthesis.Trim() == "")//如果该条件是And,添加到searchAnd中去
                {
                    searchAnd.Add(currentOilSimilarSearchEntity);
                    continue;
                }
                else if (!currentOilSimilarSearchEntity.IsAnd && currentOilSimilarSearchEntity.LeftParenthesis.Trim() == "(" && currentOilSimilarSearchEntity.RightParenthesis.Trim() == "")//如果该条件是Or,但不是最后一个Or,则添加到searchOr中去,暂时不进行计算
                {
                    searchOr.Add(currentOilSimilarSearchEntity);
                    continue;
                }
                else if (!currentOilSimilarSearchEntity.IsAnd && currentOilSimilarSearchEntity.LeftParenthesis.Trim() == "" && currentOilSimilarSearchEntity.RightParenthesis.Trim() == "")//如果该条件是Or,但不是最后一个Or,则添加到searchOr中去,暂时不进行计算
                {
                    searchOr.Add(currentOilSimilarSearchEntity);
                    continue;
                }
                else if (currentOilSimilarSearchEntity.RightParenthesis.Trim() == ")")////如果该条件是Or,且是括号中的最后一个Or,则添加到searchOr中去,并进行或的计算
                {
                    #region "Or的计算"
                    searchOr.Add(currentOilSimilarSearchEntity);

                    foreach (int ID in oilDataSearchOilInfoIDList)//根据ID循环每一条原油
                    {
                        OilInfoBEntity infoB = OilBll.GetOilBByID(ID);
                        if (!tempSimliarDic.Keys.Contains(infoB.crudeIndex))
                        {
                            continue;
                        }

                        if (searchOr.Count <= 0)
                        {
                            continue;
                        }

                        TempSimliarityEntity tempsimliarEntity = getDataFromOrSimilarSearchList(searchOr, ID);
                        if (tempSimliarDic.Keys.Contains(infoB.crudeIndex))
                        {
                            tempSimliarDic[infoB.crudeIndex].Add(tempsimliarEntity);
                        }
                    }
                    searchOr.Clear();//该Or括号计算完后,情况OrList,用于后面的Or括号计算
                    continue;

                    #endregion
                }
            }
            #endregion

            #region "处理And条件或计算的结果和And条件取交集"
            foreach (int oilInfoID in oilDataSearchOilInfoIDList)//根据ID循环每一条原油
            {
                OilInfoBEntity infoB = OilBll.GetOilBByID(oilInfoID);
                if (!tempSimliarDic.Keys.Contains(infoB.crudeIndex))
                {
                    continue;
                }
                if (searchAnd.Count <= 0)
                {
                    continue;
                }

                TempSimliarityEntity tempsimliarEntity = getDataFromAndSimilarSearchList(searchAnd, oilInfoID);
                if (tempSimliarDic.Keys.Contains(infoB.crudeIndex))
                {
                    tempSimliarDic[infoB.crudeIndex].Add(tempsimliarEntity);
                }
            }
            #endregion

            foreach (string key in tempSimliarDic.Keys)
            {
                double sum = 0, sumWeight = 0;
                foreach (TempSimliarityEntity tempsimliarEntity in tempSimliarDic[key])
                {
                    if (tempsimliarEntity.Match == 0 || tempsimliarEntity.Match.Equals(double.NaN))
                    {
                        sum       = double.NaN;
                        sumWeight = tempsimliarEntity.Weight;
                    }
                    else
                    {
                        sum       += tempsimliarEntity.Match;
                        sumWeight += tempsimliarEntity.Weight;
                    }
                }

                if (sumWeight != 0 && !sum.Equals(double.NaN))
                {
                    crudeIndexSimDic.Add(key, sum / sumWeight);
                }
            }

            return(crudeIndexSimDic);
        }
Beispiel #3
0
        /// <summary>
        ///从一条原油中获取相似度
        /// </summary>
        /// <param name="AndOilSimilarSearchList"></param>
        /// <param name="oilInfoID"></param>
        /// <returns></returns>
        private static TempSimliarityEntity getDataFromAndSimilarSearchList(IList <OilSimilarSearchEntity> AndOilSimilarSearchList, int oilInfoID)
        {
            TempSimliarityEntity tempsimliarEntity = new  TempSimliarityEntity(); //key = SUM , value = sumWeight
            double gSumMatch  = 0;                                                //返回结果
            double gSumWeight = 0;                                                //权重加和

            #region "输入条件处理"
            if (AndOilSimilarSearchList == null)
            {
                return(tempsimliarEntity);
            }

            if (AndOilSimilarSearchList.Count <= 0)
            {
                return(tempsimliarEntity);
            }

            foreach (OilSimilarSearchEntity currrentOilSimilarSearchEntity in AndOilSimilarSearchList)//循环每一个物性
            {
                if (!currrentOilSimilarSearchEntity.IsAnd)
                {
                    return(tempsimliarEntity);
                }
            }
            #endregion

            #region "And条件判断"
            foreach (OilSimilarSearchEntity currrentOilSimilarSearchEntity in AndOilSimilarSearchList)//循环每一个物性
            {
                string strCalData = getCalValueFromOilDataSearch(currrentOilSimilarSearchEntity, oilInfoID);

                if (strCalData == string.Empty || strCalData == null || strCalData == "非数字")
                {
                    tempsimliarEntity.Match  = double.NaN;
                    tempsimliarEntity.Weight = gSumWeight;
                    return(tempsimliarEntity);
                }

                float tempfValue = 0;
                if (!float.TryParse(strCalData, out tempfValue))
                {
                    tempsimliarEntity.Match  = double.NaN;
                    tempsimliarEntity.Weight = gSumWeight;
                    return(tempsimliarEntity);
                }

                float fValue = currrentOilSimilarSearchEntity.Fvalue;
                float weight = currrentOilSimilarSearchEntity.Weight;
                float Diff   = currrentOilSimilarSearchEntity.Diff;
                if (Diff > 0)
                {
                    gSumMatch  += BaseFunction.FunToolSimilarity(tempfValue, fValue, weight, Diff);//得到的运算符左边的相似度值
                    gSumWeight += weight;
                }
                else
                {
                    gSumWeight += weight;
                    gSumMatch  += weight;
                }
            }
            #endregion

            tempsimliarEntity.Match  = gSumMatch;
            tempsimliarEntity.Weight = gSumWeight;
            return(tempsimliarEntity);
        }