예제 #1
0
        private void FillQueryResultList(IDataReader reader, DataTableHandler tableHandler, ElementBinding[] columns, ElementBinding primary, List <IList <DataObject> > resultList)
        {
            var list = new List <DataObject>();

            var data = new object[reader.FieldCount];

            while (reader.Read())
            {
                reader.GetValues(data);
                var obj = Activator.CreateInstance(tableHandler.ObjectType) as DataObject;

                // Fill Object
                var current = 0;
                foreach (var column in columns)
                {
                    DatabaseSetValue(obj, column, data[current]);
                    current++;
                }

                // Set Primary Key
                if (primary != null)
                {
                    obj.ObjectId = primary.GetValue(obj).ToString();
                }

                list.Add(obj);
                obj.Dirty       = false;
                obj.IsPersisted = true;
            }
            resultList.Add(list.ToArray());
        }
예제 #2
0
        /// <summary>
        /// Set Value to DataObject Field according to ElementBinding
        /// </summary>
        /// <param name="obj">DataObject to Fill</param>
        /// <param name="bind">ElementBinding for the targeted Member</param>
        /// <param name="value">Object Value to Fill</param>
        protected virtual void DatabaseSetValue(DataObject obj, ElementBinding bind, object value)
        {
            if (value == null || value.GetType().IsInstanceOfType(DBNull.Value))
            {
                return;
            }

            try
            {
                if (bind.ValueType == typeof(bool))
                {
                    bind.SetValue(obj, Convert.ToBoolean(value));
                }
                else if (bind.ValueType == typeof(char))
                {
                    bind.SetValue(obj, Convert.ToChar(value));
                }
                else if (bind.ValueType == typeof(sbyte))
                {
                    bind.SetValue(obj, Convert.ToSByte(value));
                }
                else if (bind.ValueType == typeof(short))
                {
                    bind.SetValue(obj, Convert.ToInt16(value));
                }
                else if (bind.ValueType == typeof(int))
                {
                    bind.SetValue(obj, Convert.ToInt32(value));
                }
                else if (bind.ValueType == typeof(long))
                {
                    bind.SetValue(obj, Convert.ToInt64(value));
                }
                else if (bind.ValueType == typeof(byte))
                {
                    bind.SetValue(obj, Convert.ToByte(value));
                }
                else if (bind.ValueType == typeof(ushort))
                {
                    bind.SetValue(obj, Convert.ToUInt16(value));
                }
                else if (bind.ValueType == typeof(uint))
                {
                    bind.SetValue(obj, Convert.ToUInt32(value));
                }
                else if (bind.ValueType == typeof(ulong))
                {
                    bind.SetValue(obj, Convert.ToUInt64(value));
                }
                else if (bind.ValueType == typeof(DateTime))
                {
                    bind.SetValue(obj, Convert.ToDateTime(value));
                }
                else if (bind.ValueType == typeof(float))
                {
                    bind.SetValue(obj, Convert.ToSingle(value));
                }
                else if (bind.ValueType == typeof(double))
                {
                    bind.SetValue(obj, Convert.ToDouble(value));
                }
                else if (bind.ValueType == typeof(string))
                {
                    bind.SetValue(obj, Convert.ToString(value));
                }
                else
                {
                    bind.SetValue(obj, value);
                }
            }
            catch (Exception e)
            {
                if (Log.IsErrorEnabled)
                {
                    Log.ErrorFormat("{0}: {1} = {2} doesnt fit to {3}\n{4}", obj.TableName, bind.ColumnName, value.GetType().FullName, bind.ValueType, e);
                }
            }
        }
예제 #3
0
        /// <summary>
        /// Populate or Refresh Object Relation Implementation
        /// </summary>
        /// <param name="relationBind">Element Binding for Relation Field</param>
        /// <param name="localBind">Local Binding for Value Match</param>
        /// <param name="remoteBind">Remote Binding for Column Match</param>
        /// <param name="remoteHandler">Remote Table Handler for Cache Retrieving</param>
        /// <param name="dataObjects">DataObjects to Populate</param>
        protected virtual void FillObjectRelationsImpl(ElementBinding relationBind, ElementBinding localBind, ElementBinding remoteBind, DataTableHandler remoteHandler, IEnumerable <DataObject> dataObjects)
        {
            var type          = relationBind.ValueType;
            var isElementType = false;

            if (type.HasElementType)
            {
                type          = type.GetElementType();
                isElementType = true;
            }

            var objects = dataObjects.ToArray();
            IEnumerable <IEnumerable <DataObject> > objsResults = null;

            // Handle Cache Search if relevent or use a Select Query
            if (remoteHandler.UsesPreCaching)
            {
                // Search with Primary Key or use a Where Clause
                if (remoteHandler.PrimaryKeys.All(pk => pk.ColumnName.Equals(remoteBind.ColumnName, StringComparison.OrdinalIgnoreCase)))
                {
                    objsResults = objects.Select(obj => {
                        var local = localBind.GetValue(obj);
                        if (local == null)
                        {
                            return(new DataObject[0]);
                        }

                        var retrieve = remoteHandler.GetPreCachedObject(local);
                        if (retrieve == null)
                        {
                            return(new DataObject[0]);
                        }

                        return(new [] { retrieve });
                    });
                }
                else
                {
                    objsResults = objects
                                  .Select(obj => remoteHandler.SearchPreCachedObjects(rem => {
                        var local  = localBind.GetValue(obj);
                        var remote = remoteBind.GetValue(rem);
                        if (local == null || remote == null)
                        {
                            return(false);
                        }

                        if (localBind.ValueType == typeof(string) || remoteBind.ValueType == typeof(string))
                        {
                            return(remote.ToString().Equals(local.ToString(), StringComparison.OrdinalIgnoreCase));
                        }

                        return(remote == local);
                    }));
                }
            }
            else
            {
                var whereClauses = objects.Select(obj => DB.Column(remoteBind.ColumnName).IsEqualTo(localBind.GetValue(obj)));
                objsResults = MultipleSelectObjectsImpl(remoteHandler, whereClauses);
            }

            var resultByObjs = objsResults.Select((obj, index) => new { DataObject = objects[index], Results = obj }).ToArray();

            // Store Relations
            foreach (var result in resultByObjs)
            {
                if (isElementType)
                {
                    if (result.Results.Any())
                    {
                        MethodInfo castMethod    = typeof(Enumerable).GetMethod("OfType").MakeGenericMethod(type);
                        MethodInfo methodToArray = typeof(Enumerable).GetMethod("ToArray").MakeGenericMethod(type);
                        relationBind.SetValue(result.DataObject, methodToArray.Invoke(null, new object[] { castMethod.Invoke(null, new object[] { result.Results }) }));
                    }
                    else
                    {
                        relationBind.SetValue(result.DataObject, null);
                    }
                }
                else
                {
                    relationBind.SetValue(result.DataObject, result.Results.SingleOrDefault());
                }
            }

            // Fill Sub Relations
            FillObjectRelations(resultByObjs.SelectMany(result => result.Results), false);
        }