private static XElement ConstructComplexProperty(EdmProperty complexProperty, string columnNamePrefix, string csdlNamespace)
{
// don't add anything if the complex type associated with this property is empty.
if (complexProperty == null ||
complexProperty.TypeUsage == null ||
!(complexProperty.TypeUsage.EdmType is ComplexType))
{
Debug.Fail("We should not have called ConstructComplexProperty on a property that is not a complex property");
return(null);
}
var complexType = complexProperty.TypeUsage.EdmType as ComplexType;
if (complexType != null)
{
if (complexType.Properties.Count == 0)
{
return(null);
}
}
var complexPropertyElement = new XElement(
_msl + "ComplexProperty", new XAttribute("Name", complexProperty.Name),
new XAttribute("TypeName", csdlNamespace + "." + complexProperty.TypeUsage.EdmType.Name));
complexProperty.VisitComplexProperty(
(namePrefix, nestedProperty) =>
{
if (nestedProperty.IsComplexProperty())
{
complexPropertyElement.Add(
ConstructComplexProperty(nestedProperty, columnNamePrefix + "_" + nestedProperty.Name, csdlNamespace));
}
else
{
complexPropertyElement.Add(
new XElement(
_msl + "ScalarProperty", new XAttribute("Name", nestedProperty.Name),
new XAttribute("ColumnName", columnNamePrefix + "_" + nestedProperty.Name)));
}
}, "_", false);
if (complexPropertyElement.Nodes().Any())
{
return(complexPropertyElement);
}
return(null);
}