_orderdetails.cs

EasyObjects 是ORM的典型应用的例子是学习研究的很好的范例

			    if(string.Empty == value)
			        this.SetColumnNull(OrderDetailsSchema.UnitPrice.FieldName);
			    else
			        this.UnitPrice = base.SetDecimalAsString(OrderDetailsSchema.UnitPrice.FieldName, value);
			}
		}
		public virtual string s_Quantity
		{
			get
			{
			    return this.IsColumnNull(OrderDetailsSchema.Quantity.FieldName) ? string.Empty : base.GetShortAsString(OrderDetailsSchema.Quantity.FieldName);
			}
			set
			{
			    if(string.Empty == value)
			        this.SetColumnNull(OrderDetailsSchema.Quantity.FieldName);
			    else
			        this.Quantity = base.SetShortAsString(OrderDetailsSchema.Quantity.FieldName, value);
			}
		}
		public virtual string s_Discount
		{
			get
			{
			    return this.IsColumnNull(OrderDetailsSchema.Discount.FieldName) ? string.Empty : base.GetFloatAsString(OrderDetailsSchema.Discount.FieldName);
			}
			set
			{
			    if(string.Empty == value)
			        this.SetColumnNull(OrderDetailsSchema.Discount.FieldName);
			    else
			        this.Discount = base.SetFloatAsString(OrderDetailsSchema.Discount.FieldName, value);
			}
		}
		#endregion		
	
		#region Where Clause
		public class WhereClause
		{
			public WhereClause(EasyObject entity)
			{
				this._entity = entity;
			}
			
			public TearOffWhereParameter TearOff
			{
				get
				{
					if(_tearOff == null)
					{
						_tearOff = new TearOffWhereParameter(this);
					}

					return _tearOff;
				}
			}

			#region TearOff's
			public class TearOffWhereParameter
			{
				public TearOffWhereParameter(WhereClause clause)
				{
					this._clause = clause;
				}
				
				
				public WhereParameter OrderID
				{
					get
					{
							WhereParameter wp = new WhereParameter(OrderDetailsSchema.OrderID);
							this._clause._entity.Query.AddWhereParameter(wp);
							return wp;
					}
				}

				public WhereParameter ProductID
				{
					get
					{
							WhereParameter wp = new WhereParameter(OrderDetailsSchema.ProductID);
							this._clause._entity.Query.AddWhereParameter(wp);
							return wp;
					}
				}

				public WhereParameter UnitPrice
				{
					get
					{
							WhereParameter wp = new WhereParameter(OrderDetailsSchema.UnitPrice);
							this._clause._entity.Query.AddWhereParameter(wp);
							return wp;
					}
				}

				public WhereParameter Quantity
				{
					get
					{
							WhereParameter wp = new WhereParameter(OrderDetailsSchema.Quantity);
							this._clause._entity.Query.AddWhereParameter(wp);
							return wp;
					}
				}

				public WhereParameter Discount
				{
					get
					{
							WhereParameter wp = new WhereParameter(OrderDetailsSchema.Discount);
							this._clause._entity.Query.AddWhereParameter(wp);
							return wp;
					}
				}


				private WhereClause _clause;
			}
			#endregion
		
			public WhereParameter OrderID
		    {
				get
		        {
					if(_OrderID_W == null)
	        	    {
						_OrderID_W = TearOff.OrderID;
					}
					return _OrderID_W;
				}
			}

			public WhereParameter ProductID
		    {
				get
		        {
					if(_ProductID_W == null)
	        	    {
						_ProductID_W = TearOff.ProductID;
					}
					return _ProductID_W;
				}
			}

			public WhereParameter UnitPrice
		    {
				get
		        {
					if(_UnitPrice_W == null)
	        	    {
						_UnitPrice_W = TearOff.UnitPrice;
					}
					return _UnitPrice_W;
				}
			}

			public WhereParameter Quantity
		    {
				get
		        {
					if(_Quantity_W == null)
	        	    {
						_Quantity_W = TearOff.Quantity;
					}
					return _Quantity_W;
				}
			}

			public WhereParameter Discount
		    {
				get
		        {
					if(_Discount_W == null)
	        	    {
						_Discount_W = TearOff.Discount;
					}
					return _Discount_W;
				}
			}

			private WhereParameter _OrderID_W = null;
			private WhereParameter _ProductID_W = null;
			private WhereParameter _UnitPrice_W = null;
			private WhereParameter _Quantity_W = null;
			private WhereParameter _Discount_W = null;

			public void WhereClauseReset()
			{
				_OrderID_W = null;
				_ProductID_W = null;
				_UnitPrice_W = null;
				_Quantity_W = null;
				_Discount_W = null;

				this._entity.Query.FlushWhereParameters();

			}
	
			private EasyObject _entity;
			private TearOffWhereParameter _tearOff;
			
		}
	
		public WhereClause Where
		{
			get
			{
				if(_whereClause == null)
				{
					_whereClause = new WhereClause(this);
				}
		
				return _whereClause;
			}
		}
		
		private WhereClause _whereClause = null;	
		#endregion
		
		#region Aggregate Clause
		public class AggregateClause
		{
			public AggregateClause(EasyObject entity)
			{
				this._entity = entity;
			}
			
			public TearOffAggregateParameter TearOff
			{
				get
				{
					if(_tearOff == null)
					{
						_tearOff = new TearOffAggregateParameter(this);
					}

					return _tearOff;
				}
			}

			#region TearOff's
			public class TearOffAggregateParameter
			{
				public TearOffAggregateParameter(AggregateClause clause)
				{
					this._clause = clause;
				}
				
				
				public AggregateParameter OrderID
				{
					get
					{
							AggregateParameter ap = new AggregateParameter(OrderDetailsSchema.OrderID);
							this._clause._entity.Query.AddAggregateParameter(ap);
							return ap;
					}
				}

				public AggregateParameter ProductID
				{
					get
					{
							AggregateParameter ap = new AggregateParameter(OrderDetailsSchema.ProductID);
							this._clause._entity.Query.AddAggregateParameter(ap);
							return ap;
					}
				}

				public AggregateParameter UnitPrice
				{
					get
					{
							AggregateParameter ap = new AggregateParameter(OrderDetailsSchema.UnitPrice);
							this._clause._entity.Query.AddAggregateParameter(ap);
							return ap;
					}
				}

				public AggregateParameter Quantity
				{
					get
					{
							AggregateParameter ap = new AggregateParameter(OrderDetailsSchema.Quantity);
							this._clause._entity.Query.AddAggregateParameter(ap);
							return ap;
					}
				}

				public AggregateParameter Discount
				{
					get
					{
							AggregateParameter ap = new AggregateParameter(OrderDetailsSchema.Discount);
							this._clause._entity.Query.AddAggregateParameter(ap);
							return ap;
					}
				}


				private AggregateClause _clause;
			}
			#endregion
		
			public AggregateParameter OrderID
		    {
				get
		        {
					if(_OrderID_W == null)
	        	    {
						_OrderID_W = TearOff.OrderID;
					}
					return _OrderID_W;
				}
			}

			public AggregateParameter ProductID
		    {
				get
		        {
					if(_ProductID_W == null)
	        	    {
						_ProductID_W = TearOff.ProductID;
					}
					return _ProductID_W;
				}
			}

			public AggregateParameter UnitPrice
		    {
				get
		        {
					if(_UnitPrice_W == null)
	        	    {
						_UnitPrice_W = TearOff.UnitPrice;
					}
					return _UnitPrice_W;
				}
			}

			public AggregateParameter Quantity
		    {
				get
		        {
					if(_Quantity_W == null)
	        	    {
						_Quantity_W = TearOff.Quantity;
					}
					return _Quantity_W;
				}
			}

			public AggregateParameter Discount
		    {
				get
		        {
					if(_Discount_W == null)
	        	    {
						_Discount_W = TearOff.Discount;
					}
					return _Discount_W;
				}
			}

			private AggregateParameter _OrderID_W = null;
			private AggregateParameter _ProductID_W = null;
			private AggregateParameter _UnitPrice_W = null;
			private AggregateParameter _Quantity_W = null;
			private AggregateParameter _Discount_W = null;

			public void AggregateClauseReset()
			{
				_OrderID_W = null;
				_ProductID_W = null;
				_UnitPrice_W = null;
				_Quantity_W = null;
				_Discount_W = null;

				this._entity.Query.FlushAggregateParameters();

			}
	
			private EasyObject _entity;
			private TearOffAggregateParameter _tearOff;
			
		}
	
		public AggregateClause Aggregate
		{
			get
			{
				if(_aggregateClause == null)
				{
					_aggregateClause = new AggregateClause(this);
				}
		
				return _aggregateClause;
			}
		}
		
		private AggregateClause _aggregateClause = null;	
		#endregion
	}
}