/// <summary>
/// Binds a <see cref="InnerPathToken"/>.
/// This includes more than just navigations - it includes complex property access and primitive collections.
/// </summary>
/// <param name="segmentToken">The segment token to bind.</param>
/// <param name="state">The state of binding.</param>
/// <returns>The bound node.</returns>
internal QueryNode BindInnerPathSegment(InnerPathToken segmentToken, BindingState state)
{
DebugUtils.CheckNoExternalCallers();
FunctionCallBinder functionCallBinder = new FunctionCallBinder(this.bindMethod);
// First we get the parent node
QueryNode parent = this.DetermineParentNode(segmentToken, state);
Debug.Assert(parent != null, "parent should never be null");
SingleValueNode singleValueParent = parent as SingleValueNode;
if (singleValueParent == null)
{
QueryNode boundFunction;
if (functionCallBinder.TryBindInnerPathAsFunctionCall(segmentToken, parent, state, out boundFunction))
{
return(boundFunction);
}
throw new ODataException(ODataErrorStrings.MetadataBinder_PropertyAccessSourceNotSingleValue(segmentToken.Identifier));
}
// Using the parent and name of this token, we try to get the IEdmProperty it represents
IEdmProperty property = BindProperty(singleValueParent.TypeReference, segmentToken.Identifier);
if (property == null)
{
QueryNode boundFunction;
if (functionCallBinder.TryBindInnerPathAsFunctionCall(segmentToken, parent, state, out boundFunction))
{
return(boundFunction);
}
if (singleValueParent.TypeReference != null && !singleValueParent.TypeReference.Definition.IsOpenType())
{
throw new ODataException(
ODataErrorStrings.MetadataBinder_PropertyNotDeclared(
parent.GetEdmTypeReference().ODataFullName(), segmentToken.Identifier));
}
return(new SingleValueOpenPropertyAccessNode(singleValueParent, segmentToken.Identifier));
}
if (property.Type.IsODataComplexTypeKind())
{
return(new SingleValuePropertyAccessNode(singleValueParent, property));
}
// Note - this means nonentity collection (primitive or complex)
if (property.Type.IsNonEntityCollectionType())
{
return(new CollectionPropertyAccessNode(singleValueParent, property));
}
IEdmNavigationProperty navigationProperty = property as IEdmNavigationProperty;
if (navigationProperty == null)
{
throw new ODataException(ODataErrorStrings.MetadataBinder_IllegalSegmentType(property.Name));
}
SingleEntityNode parentEntity = EnsureParentIsEntityForNavProp(singleValueParent);
return(GetNavigationNode(navigationProperty, parentEntity, segmentToken.NamedValues, state, new KeyBinder(this.bindMethod)));
}