private static Property GetProperty <TOut>(Expression <Func <T, TOut> > expression)
{
var memberExpression = expression.Body as MemberExpression;
if (memberExpression == null)
{
throw new Exception("Could not determine member from " + expression);
}
var setter = GenerateSetterMethod <TOut>(memberExpression);
return(TypedProperty <T, TOut> .Create(memberExpression.Member.Name, memberExpression.Type, expression.Compile(), setter));
}
private void SerializeMultiValueProperty <TMultiValue, TElement>(TypedProperty <TMultiValue> multiValueProperty)
where TMultiValue : TypedValueCollection <TElement>, new()
where TElement : ODataPayloadElement, ITypedValue
{
ExceptionUtilities.CheckArgumentNotNull(multiValueProperty, "multiValueProperty");
ExceptionUtilities.CheckArgumentNotNull(multiValueProperty.Value, "multiValueProperty.Value");
// when name is null, it means that it is in the top level. We should use <m:value
XElement propertyElement = multiValueProperty.Name == null?CreateMetadataElement(this.currentXElement, AtomValueElement) : CreateDataServicesElement(this.currentXElement, multiValueProperty.Name);
this.AttachValueAttributes(propertyElement, multiValueProperty.Value);
if (!multiValueProperty.Value.IsNull)
{
var collectionElementName = multiValueProperty.Value.GetCollectionItemElementName();
if (collectionElementName == null)
{
collectionElementName = XName.Get("element", DataServicesMetadataNamespace);
}
foreach (var element in multiValueProperty.Value)
{
var elementName = element.GetCollectionItemElementName();
if (elementName == null)
{
elementName = collectionElementName;
}
var primitiveValue = element as PrimitiveValue;
var elementXml = CreateElement(propertyElement, DataServicesMetadataNamespacePrefix, elementName.LocalName, elementName.NamespaceName);
if (primitiveValue != null)
{
this.VisitPayloadElement(primitiveValue, elementXml);
}
else
{
ExceptionUtilities.Assert(typeof(TElement) == typeof(ComplexInstance), "Unsupported collection element type: {0}", typeof(TElement));
this.VisitPayloadElement(element, elementXml);
}
}
}
PostProcessXElement(multiValueProperty.Value, propertyElement);
PostProcessXElement(multiValueProperty, propertyElement);
}
