/// <summary> /// Returns a resource type of the property on the specified resource type. /// </summary> /// <param name="resourceType">The resource type to look for the property on.</param> /// <param name="propertyName">The name of the property to look for.</param> /// <param name="isMultiValueProperty">return true if the property was a MultiValue property.</param> /// <returns>The type of the property specified. Note that for MultiValue properties this returns the type of the item of the MultiValue property.</returns> private static ResourceType GetPropertyType(ResourceType resourceType, string propertyName, out bool isMultiValueProperty) { Debug.Assert(propertyName != null, "propertyName != null"); isMultiValueProperty = false; ResourceProperty resourceProperty = resourceType != null ? resourceType.TryResolvePropertyName(propertyName) : null; if (resourceProperty != null) { if (resourceProperty.IsOfKind(ResourcePropertyKind.MultiValue)) { isMultiValueProperty = true; Debug.Assert(resourceProperty.ResourceType is MultiValueResourceType, "MultiValue property must be of the MultiValueResourceType."); MultiValueResourceType multiValueResourceType = (MultiValueResourceType)resourceProperty.ResourceType; return multiValueResourceType.ItemType; } else { return resourceProperty.ResourceType; } } else { if (resourceType != null && !resourceType.IsOpenType) { // could be a named stream resourceProperty = resourceType.TryResolveNamedStream(propertyName); if (resourceProperty != null) { throw new ODataException(Strings.EpmSourceTree_NamedStreamCannotBeMapped(propertyName, resourceType.FullName)); } else { throw new ODataException(Strings.EpmSourceTree_MissingPropertyOnType(propertyName, resourceType.FullName)); } } return null; } }