C# JObject.GetModel方法代码示例

 public void LoadInstance(JObject instance)
 {
     if (instance.GetModel().IEquals("donation"))
         this.LoadText(instance.GetDonationDonorDisplayName(this.PublicFacing));
     else if (instance.GetModel().IEquals("donor"))
         this.LoadText(instance.GetDonorDisplayName(this.PublicFacing));
     else
         throw new Exception("Error, this only works with donation or donor entities");
 }

        private JObject RetreiveObjectFromRow(DataRow row, bool diffOnly = false)
        {
            int? pk = row.Field<int?>(this.Table.Columns[KeyColumn]);
            string modelName = row.Field<string>(this.Table.Columns[ModelColumn]);

            JObject obj = new JObject();
            obj.Add(FieldsField, new JObject());

            if (pk != null)
                obj.SetId(pk ?? 0);

            if (modelName == null)
                throw new Exception("Error, model must be set for data field");

            obj.SetModel(modelName);

            if (this.ModelMappings.ContainsKey(modelName))
            {
                Dictionary<string, string> tableToModel = this.ModelMappings[modelName].TableToModel;
                EntityModel model = DonationModels.GetModel(modelName);

                foreach (string col in this.Columns)
                {
                    JObject found = null;

                    if (obj.GetId() != null)
                        this.CachedObjectTable.TryGetValue(new Tuple<string, int?>(obj.GetModel(), obj.GetId()), out found);

                    string fieldName = tableToModel[col];
                    string value = row[this.TrueColumnName(col)] == null ? null : row[this.TrueColumnName(col)].ToString();

                    if (!model.GetField(fieldName).ReadOnly && (!diffOnly || found == null || !Util.EqualsEx(found.GetField(fieldName), value)))
                        obj.SetField(fieldName, value);
                }

                return obj;
            }
            else
                throw new Exception("Model mapping for " + modelName + " unregistered");
        }

        public void AddRow(JObject dataObj)
        {
            int? primaryKey = dataObj.GetId();
            string modelName = dataObj.GetModel();

            if (primaryKey != null)
            {
                foreach (DataRow row in this.Table.Rows)
                {
                    if (row[ModelColumn].ToString().IEquals(modelName) && row[KeyColumn].ToString().Equals(primaryKey.ToString()))
                    {
                        this.FillObjectToRow(row, dataObj);
                        return;
                    }
                }
            }

            DataRow newRow = this.Table.Rows.Add(primaryKey, modelName);

            this.FillObjectToRow(newRow, dataObj);
        }

        private void FillObjectToRow(DataRow row, JObject dataObj)
        {
            int? primaryKey = dataObj.GetId();
            string modelName = dataObj.GetModel();
            EntityModel model = DonationModels.GetModel(modelName);

            if (this.ModelMappings.ContainsKey(modelName))
            {
                Dictionary<string,string> tableToModel = this.ModelMappings[modelName].TableToModel;

                foreach (string col in this.Columns)
                {
                    string trueColumn = this.TrueColumnName(col);
                    FieldModel field = model.GetField(tableToModel[col]);

                    string trueValue = dataObj.GetField(tableToModel[col]);
                    row[trueColumn] = trueValue;

                    if (field is EntityFieldModel)
                    {
                        EntityFieldModel entityField = field as EntityFieldModel;
                        EntitySelectionCache cache = this.Context.GetEntitySelectionCache(entityField.ModelName);

                        cache.RequestRefresh(EntitySelectionCacheRefreshType.Strong);

                        var mapping = cache.GetLatestCache();

                        if (trueValue != null)
                        {
                            int fk = int.Parse(trueValue);

                            string name;
                            if (mapping.TryGetLeftToRight(fk, out name))
                                row[col] = name;
                            else
                                row[col] = row[trueColumn];
                        }
                        else
                        {
                            row[col] = "";
                        }
                    }
                    else
                    {
                        row[col] = trueValue;
                    }

                }
            }
            else
                throw new Exception("Model mapping for " + modelName + " unregistered");
        }