/// <summary>
/// Given a property name, if the associated type reference is structured, then this returns
/// the property of the structured type. Otherwise, it returns null.
/// </summary>
/// <param name="parentReference">The parent type to be used to find binding options.</param>
/// <param name="propertyName">The string designated the property name to be bound.</param>
/// <param name="resolver">Resolver for uri parser.</param>
/// <returns>The property associated with string and parent type.</returns>
internal static IEdmProperty BindProperty(IEdmTypeReference parentReference, string propertyName, ODataUriResolver resolver)
{
ExceptionUtils.CheckArgumentNotNull(resolver, "resolver");
IEdmStructuredTypeReference structuredParentType =
parentReference == null ? null : parentReference.AsStructuredOrNull();
return(structuredParentType == null ? null : resolver.ResolveProperty(structuredParentType.StructuredDefinition(), propertyName));
}
/// <summary>
/// Tries to bind a given token as an a declared structural or navigation property.
/// </summary>
/// <param name="tokenIn">Token to bind.</param>
/// <param name="edmType">the type to search for this property</param>
/// <param name="resolver">Resolver for uri parser.</param>
/// <param name="segment">Bound segment if the token was bound to a declared property successfully, or null.</param>
/// <returns>True if the token was bound successfully, or false otherwise.</returns>
private static bool TryBindAsDeclaredProperty(PathSegmentToken tokenIn, IEdmStructuredType edmType, ODataUriResolver resolver, out ODataPathSegment segment)
{
IEdmProperty prop = resolver.ResolveProperty(edmType, tokenIn.Identifier);
if (prop == null)
{
segment = null;
return(false);
}
if (prop.PropertyKind == EdmPropertyKind.Structural)
{
segment = new PropertySegment((IEdmStructuralProperty)prop);
return(true);
}
if (prop.PropertyKind == EdmPropertyKind.Navigation)
{
segment = new NavigationPropertySegment((IEdmNavigationProperty)prop, null /*TODO: set*/);
return(true);
}
throw new ODataException(ODataErrorStrings.SelectExpandBinder_UnknownPropertyType(prop.Name));
}
