public void EntityCreated(Entity e)
{
EntityRow entity = e.CastToType <EntityRow>();
if (entity.IsNotNull() && entity.Row.IsNull())
{
if (entity.Table.IsNotNull())
{
if (_dataSet.Tables.Contains(entity.Table.TableName))
{
DataRow row = _dataSet.Tables[entity.Table.TableName].NewRow();
_dataSet.Tables[entity.Table.TableName].Rows.Add(row);
entity.Row = row;
}
}
}
}
public void Intercept(Castle.DynamicProxy.IInvocation invocation)
{
EntityRow entity = invocation.InvocationTarget.CastToType <EntityRow>();
if (entity.IsNotNull() && entity.Row.IsNotNull())
{
string propertyName = invocation.Method.Name;
if (propertyName.StartsWith("get_") || propertyName.StartsWith("set_"))
{
propertyName = propertyName.Substring(4, propertyName.Length - 4);
}
if (invocation.Method.Name.StartsWith("get_"))
{
KeyValuePair <string, EntityProperty> column = entity.GetDataTableColumn(propertyName);
if (!string.IsNullOrEmpty(column.Key))
{
if (entity.Row.Table.Columns.Contains(column.Key))
{
if (entity.Row[column.Key] != System.DBNull.Value)
{
invocation.ReturnValue = entity.Row[column.Key];
}
else
{
invocation.ReturnValue = column.Value.PropertyType.GetDefaultValue();
}
}
else
{
throw new InvalidOperationException();
}
}
else
{
invocation.Proceed();
}
}
else if (invocation.Method.Name.StartsWith("set_") && invocation.Arguments.Count() > 0)
{
KeyValuePair <string, EntityProperty> column = entity.GetDataTableColumn(propertyName);
if (!string.IsNullOrEmpty(column.Key))
{
if (entity.Row.Table.Columns.Contains(column.Key))
{
if (invocation.Arguments[0] != null)
{
entity.Row[column.Key] = invocation.Arguments[0];
}
else
{
entity.Row[column.Key] = System.DBNull.Value;
}
}
else
{
throw new InvalidOperationException();
}
}
else
{
invocation.Proceed();
}
}
}
else
{
throw new InvalidOperationException();
}
}
