public static PropertyInfo GetLambdaProperty(this Expression expression, Type type)
{
if (expression.NodeType != ExpressionType.Lambda)
{
throw new NotImplementedException();
}
var lambda = expression as LambdaExpression;
if (lambda.Body.NodeType != ExpressionType.MemberAccess)
{
throw new NotImplementedException();
}
var member = lambda.Body as MemberExpression;
if (!(member.Member is PropertyInfo))
{
throw new NotImplementedException();
}
var property = member.Member as PropertyInfo;
if (property.DeclaringType == type)
{
return(property);
}
return(PropertyResolutionStrategy.GetProperty(type, property.Name));
}
public IColumnConfig Create(ITableConfig table, IColumnSelector selector)
{
switch (selector.SelectorType)
{
case ColumnSelectorType.ColumnName:
var property = PropertyResolutionStrategy.GetProperty(table.TableType, selector.ColumnName);
if (property != null)
{
return(this.Create(table, selector.Identifier, selector.ColumnName, selector.ColumnType, property, selector.Flags));
}
else
{
return(this.Create(table, selector.Identifier, selector.ColumnName, selector.ColumnType, selector.Flags));
}
case ColumnSelectorType.Property:
return(this.Create(table, selector.Identifier, selector.ColumnName, selector.ColumnType, selector.Property, selector.Flags));
case ColumnSelectorType.Expression:
return(this.Create(table, selector.Identifier, selector.ColumnName, selector.ColumnType, selector.Expression, selector.Flags));
default:
throw new NotImplementedException();
}
}