private static ISet <IEdmStructuralProperty> GetPropertiesToIncludeInQuery(
SelectExpandClause selectExpandClause, IEdmEntityType entityType, out ISet <IEdmStructuralProperty> autoSelectedProperties)
{
autoSelectedProperties = new HashSet <IEdmStructuralProperty>();
HashSet <IEdmStructuralProperty> propertiesToInclude = new HashSet <IEdmStructuralProperty>();
IEnumerable <SelectItem> selectedItems = selectExpandClause.SelectedItems;
if (!IsSelectAll(selectExpandClause))
{
// only select requested properties and keys.
foreach (PathSelectItem pathSelectItem in selectedItems.OfType <PathSelectItem>())
{
SelectExpandNode.ValidatePathIsSupported(pathSelectItem.SelectedPath);
PropertySegment structuralPropertySegment = pathSelectItem.SelectedPath.LastSegment as PropertySegment;
if (structuralPropertySegment != null)
{
propertiesToInclude.Add(structuralPropertySegment.Property);
}
}
// add keys
foreach (IEdmStructuralProperty keyProperty in entityType.Key())
{
if (!propertiesToInclude.Contains(keyProperty))
{
autoSelectedProperties.Add(keyProperty);
}
}
}
return(propertiesToInclude);
}
public void ValidatePathIsSupported_ThrowsForUnsupportedPath()
{
ODataPath path = new ODataPath(new ValueSegment(previousType: null));
ExceptionAssert.Throws <ODataException>(
() => SelectExpandNode.ValidatePathIsSupported(path),
"A path within the select or expand query option is not supported.");
}
private static Dictionary <IEdmNavigationProperty, ExpandedNavigationSelectItem> GetPropertiesToExpandInQuery(SelectExpandClause selectExpandClause)
{
Dictionary <IEdmNavigationProperty, ExpandedNavigationSelectItem> properties = new Dictionary <IEdmNavigationProperty, ExpandedNavigationSelectItem>();
foreach (SelectItem selectItem in selectExpandClause.SelectedItems)
{
ExpandedNavigationSelectItem expandItem = selectItem as ExpandedNavigationSelectItem;
if (expandItem != null)
{
SelectExpandNode.ValidatePathIsSupported(expandItem.PathToNavigationProperty);
NavigationPropertySegment navigationSegment = expandItem.PathToNavigationProperty.LastSegment as NavigationPropertySegment;
if (navigationSegment == null)
{
throw new ODataException(SRResources.UnsupportedSelectExpandPath);
}
properties[navigationSegment.NavigationProperty] = expandItem;
}
}
return(properties);
}