示例#1
0
        public DataSet PrepareOutboundData(IOutboundRule rule, DataSet criteria)
        {
            if (rule == null)
            {
                return(null);
            }

            bool    result     = false;
            DataSet resultData = null;
            //SafeDBConnection cn = SafeDBConnection.Instance;
            OleDbConnection cnn = new OleDbConnection(Program.ConfigMgt.Config.DataDBConnection);

            try
            {
                //OleDbCommand cmd = new OleDbCommand(GetSPName(rule), cn.Connection);
                OleDbCommand cmd = new OleDbCommand(GetSPName(rule), cnn);
                cmd.CommandType = CommandType.StoredProcedure;

                if (criteria != null && criteria.Tables.Count > 0)
                {
                    Program.Log.Write("Query criteria (" + criteria.Tables[0].Rows.Count.ToString() + ": ");

                    MappingItem[] qcList = rule.GetQueryCriteriaItems();
                    if (qcList == null || qcList.Length < 1)
                    {
                        Program.Log.Write(LogType.Warning, "No query criteria mapping item found in outbound rule. ");
                    }
                    else
                    {
                        foreach (DataRow dr in criteria.Tables[0].Rows)
                        {
                            foreach (MappingItem qc in qcList)
                            {
                                // following logic is according to
                                // public static string GetSP<TC, TR>(string interfaceName, OutboundRule<TC, TR> rule)

                                if (qc.Translating.Type == TranslatingType.FixValue)
                                {
                                    continue;
                                }

                                OleDbParameter param = new OleDbParameter();
                                param.ParameterName = "@" + qc.SourceField;
                                param.OleDbType     = OleDbType.VarWChar;
                                param.Direction     = ParameterDirection.Input;
                                param.Value         = dr[qc.SourceField].ToString(); //.Replace("'", "''"); // db parameter will handle this
                                cmd.Parameters.Add(param);

                                Program.Log.Write(qc.SourceField + " = " + param.Value);
                            }
                        }
                    }

                    Program.Log.Write("");
                }

                resultData = new DataSet();
                OleDbDataAdapter ad = new OleDbDataAdapter();
                ad.SelectCommand = cmd;

                //cn.Open();
                cnn.Open();
                int count = ad.Fill(resultData);
                //cn.Close();
                cnn.Close();

                if (resultData.Tables.Count > 0 &&
                    (Program.ConfigMgt.Config.Composing.Enable ||
                     Program.ConfigMgt.Config.Replacement.Enable ||
                     Program.ConfigMgt.Config.Chinese2Pinyin.Enable) ||
                    Program.ConfigMgt.Config.L3KanJiReplacement.Enable)
                {
                    DataTable     dt     = resultData.Tables[0];
                    MappingItem[] qrList = rule.GetQueryResultItems();
                    if (qrList == null || qrList.Length < 1)
                    {
                        Program.Log.Write(LogType.Warning, "No query result mapping item found in outbound rule. ");
                    }
                    else
                    {
                        foreach (DataRow dr in dt.Rows)
                        {
                            foreach (MappingItem qr in qrList)
                            {
                                //string strValue = dr[qr.TargetField].ToString();
                                #region Composing
                                if (Program.ConfigMgt.Config.Composing.Enable)
                                {
                                    ComposingRuleItem comRule = Program.ConfigMgt.Config.Composing.GetComposingRule(qr.GWDataDBField);
                                    if (comRule != null && dt.Columns.Contains(qr.TargetField))
                                    {
                                        string strValue = dr[qr.TargetField].ToString();

                                        List <string> sourceList = new List <string>();
                                        foreach (GWDataDBField sourceField in comRule.FromFields)
                                        {
                                            string sourceValue = "";
                                            foreach (MappingItem sItem in qrList)
                                            {
                                                if (sItem.GWDataDBField.Table == sourceField.Table &&
                                                    sItem.GWDataDBField.FieldName == sourceField.FieldName)
                                                {
                                                    if (dt.Columns.Contains(sItem.TargetField))
                                                    {
                                                        sourceValue = dr[sItem.TargetField].ToString();
                                                    }
                                                    break;
                                                }
                                            }
                                            sourceList.Add(sourceValue);
                                        }

                                        strValue           = comRule.Compose(sourceList.ToArray(), Program.Log);
                                        dr[qr.TargetField] = strValue;
                                    }
                                }
                                #endregion

                                #region Regular Replacement
                                if (Program.ConfigMgt.Config.Replacement.Enable)
                                {
                                    ReplacementRuleItem item = Program.ConfigMgt.Config.Replacement.GetReplacementRule(qr.GWDataDBField);
                                    if (item != null && dt.Columns.Contains(qr.TargetField))
                                    {
                                        string strValue = dr[qr.TargetField].ToString();
                                        strValue           = item.RegularExpression.Replace(strValue, Program.Log);
                                        dr[qr.TargetField] = strValue;
                                    }
                                }
                                #endregion

                                #region Chinese2Pinyin
                                if (Program.ConfigMgt.Config.Chinese2Pinyin.Enable)
                                {
                                    Chinese2PinyinRuleItem item = Program.ConfigMgt.Config.Chinese2Pinyin.GetChinese2PinyinRule(qr.GWDataDBField);
                                    if (item != null && dt.Columns.Contains(qr.TargetField))
                                    {
                                        string strValue = dr[qr.TargetField].ToString();
                                        strValue           = ChineseCode.Convert(item.ConvertType, strValue, Program.Log);
                                        strValue           = PinyinFactory.GetInstance(item.Type).ConvertName(strValue, Program.Log);
                                        dr[qr.TargetField] = strValue;
                                    }
                                }
                                #endregion
                                //dr[qr.TargetField] = strValue;

                                #region Level 3 KanJi Replacement
                                if (Program.ConfigMgt.Config.L3KanJiReplacement.Enable)
                                {
                                    Level3KanJiReplacementRuleItem item = Program.ConfigMgt.Config.L3KanJiReplacement.GetLevel3KanJiReplacementRule(qr.GWDataDBField);
                                    if (item != null && dt.Columns.Contains(qr.TargetField))
                                    {
                                        string strValue = dr[qr.TargetField].ToString();
                                        strValue           = item.Replace(strValue, Program.Log);
                                        dr[qr.TargetField] = strValue;
                                    }
                                }
                                #endregion
                            }
                        }
                    }
                }

                Program.Log.Write("Prepare outbound data success. SP Name: " + GetSPName(rule) + ", Number of rows affected: " + count.ToString());

                result = true;
            }
            catch (Exception err)
            {
                Program.Log.Write(LogType.Warning, "Prepare outbound data failed.");
                DumpDataBaseError(err, rule, criteria);
            }
            finally
            {
                //if (!result) cn.Close();
                if (!result)
                {
                    cnn.Close();
                }
            }

            return(resultData);
        }
示例#2
0
        private bool ProcessInboundDataWithTransaction(IInboundRule rule, DataSet data)
        {
            if (data == null || rule == null)
            {
                return(false);
            }

            Program.Log.Write(LogType.Warning, "Process inbound DataSet with transaction using default isolation level.");

            if (data.Tables.Count < 1)
            {
                Program.Log.Write(LogType.Warning, "No DataTable is found in the DataSet.");
                return(true);
            }

            DataTable dt = data.Tables[0];

            if (dt == null || dt.Rows == null)
            {
                Program.Log.Write(LogType.Warning, "A <null> DataTable is found in the DataSet.");
                return(true);
            }

            Program.Log.Write("Number of rows in inbound DataSet: " + dt.Rows.Count.ToString());

            bool result = false;
            //SafeDBConnection cn = SafeDBConnection.Instance;
            OleDbConnection  cnn   = new OleDbConnection(Program.ConfigMgt.Config.DataDBConnection);
            OleDbTransaction trans = null;

            try
            {
                //cn.Open();
                cnn.Open();

                MappingItem[] qrList = rule.GetQueryResultItems();
                if (qrList == null || qrList.Length < 1)
                {
                    Program.Log.Write(LogType.Warning, "No query result mapping item found in inbound rule. ");
                }
                else
                {
                    //trans = cn.Connection.BeginTransaction();
                    trans = cnn.BeginTransaction();

                    foreach (DataRow dr in dt.Rows)
                    {
                        //OleDbCommand cmd = new OleDbCommand(GetSPName(rule), cn.Connection);
                        OleDbCommand cmd = new OleDbCommand(GetSPName(rule), cnn);
                        cmd.CommandType = CommandType.StoredProcedure;
                        cmd.Transaction = trans;

                        List <MappingItem> redundancyParamList = new List <MappingItem>();
                        foreach (MappingItem qr in qrList)
                        {
                            // following logic is according to
                            // RuleControl.GetSP<TC, TR>(string interfaceName, InboundRule<TC, TR> rule)

                            bool redundancy = false;
                            foreach (MappingItem mpi in redundancyParamList)
                            {
                                if (mpi.SourceField == qr.SourceField)
                                {
                                    redundancy = true;
                                    break;
                                }
                            }
                            if (redundancy)
                            {
                                continue;
                            }
                            redundancyParamList.Add(qr);

                            if (qr.Translating.Type == TranslatingType.FixValue)
                            {
                                continue;
                            }

                            OleDbParameter param = new OleDbParameter();
                            param.ParameterName = "@" + qr.SourceField;
                            param.Direction     = ParameterDirection.Input;
                            param.OleDbType     = OleDbType.VarWChar;

                            //string strValue = dr[qr.SourceField].ToString();

                            string strValue = "";
                            if (dt.Columns.Contains(qr.SourceField))
                            {
                                strValue = dr[qr.SourceField].ToString();
                            }
                            else
                            {
                                Program.Log.Write(LogType.Warning, "Field " + qr.SourceField + " cannot be found in inbound dataset. This field will be set as empty string when calling storage procedure.");
                            }

                            if (Program.ConfigMgt.Config.Composing.Enable)
                            {
                                ComposingRuleItem comRule = Program.ConfigMgt.Config.Composing.GetComposingRule(qr.GWDataDBField);
                                if (comRule != null)
                                {
                                    List <string> sourceList = new List <string>();
                                    foreach (GWDataDBField sourceField in comRule.FromFields)
                                    {
                                        string sourceValue = "";
                                        foreach (MappingItem sItem in qrList)
                                        {
                                            if (sItem.GWDataDBField.Table == sourceField.Table &&
                                                sItem.GWDataDBField.FieldName == sourceField.FieldName)
                                            {
                                                if (dt.Columns.Contains(sItem.SourceField))
                                                {
                                                    sourceValue = dr[sItem.SourceField].ToString();

                                                    if (sItem.Translating.Type == TranslatingType.DefaultValue &&
                                                        sourceValue.Length < 1)
                                                    {
                                                        sourceValue = sItem.Translating.ConstValue;
                                                    }
                                                }
                                                else
                                                {
                                                    if (sItem.Translating.Type == TranslatingType.FixValue)
                                                    {
                                                        sourceValue = sItem.Translating.ConstValue;
                                                    }
                                                }
                                                break;
                                            }
                                        }
                                        sourceList.Add(sourceValue);
                                    }
                                    strValue = comRule.Compose(sourceList.ToArray(), Program.Log);
                                }
                            }

                            if (Program.ConfigMgt.Config.Replacement.Enable)
                            {
                                ReplacementRuleItem repRule = Program.ConfigMgt.Config.Replacement.GetReplacementRule(qr.GWDataDBField);
                                if (repRule != null)
                                {
                                    strValue = repRule.RegularExpression.Replace(strValue, Program.Log);
                                }
                            }

                            if (Program.ConfigMgt.Config.Chinese2Pinyin.Enable)
                            {
                                Chinese2PinyinRuleItem item = Program.ConfigMgt.Config.Chinese2Pinyin.GetChinese2PinyinRule(qr.GWDataDBField);
                                if (item != null)
                                {
                                    strValue = ChineseCode.Convert(item.ConvertType, strValue, Program.Log);
                                    strValue = PinyinFactory.GetInstance(item.Type).ConvertName(strValue, Program.Log);
                                }
                            }

                            param.Value = strValue;     //.Replace("'", "''"); // db parameter will handle this
                            cmd.Parameters.Add(param);
                        }

                        OleDbParameter paramRet = new OleDbParameter();
                        paramRet.ParameterName = "@" + RuleControl.ReturnValueParameterName;
                        paramRet.Direction     = ParameterDirection.Output;
                        paramRet.OleDbType     = OleDbType.Integer;
                        cmd.Parameters.Add(paramRet);

                        cmd.ExecuteNonQuery();

                        string retMessage;
                        if ((int)paramRet.Value == 0)
                        {
                            retMessage = "Data rejected by redundancy checking.";
                        }
                        else
                        {
                            retMessage = "Data inserted.";
                        }

                        Program.Log.Write("Process inbound data success. SP Name " + GetSPName(rule) + ", " + retMessage);
                    }

                    trans.Commit();
                    result = true;
                }
            }
            catch (Exception err)
            {
                if (trans != null)
                {
                    trans.Rollback();
                }

                Program.Log.Write(LogType.Warning, "Process inbound data failed.");
                DumpDataBaseError(err, rule, data);
            }
            finally
            {
                //cn.Close();
                cnn.Close();
                if (trans != null)
                {
                    trans.Dispose();
                }
            }

            return(result);
        }