/// <summary>
/// Sets the value of the CustomState for the specified annotatable.
/// </summary>
/// <param name="annotatable">The annotatable instance to set the CustomState for.</param>
/// <param name="value">The value of the CustomState to set, will overwrite any existing value.</param>
internal static void SetCustomState(this ODataAnnotatable annotatable, object value)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(annotatable != null, "annotatable != null");
CustomStateAnnotation annotation = annotatable.GetAnnotation<CustomStateAnnotation>();
if (annotation == null)
{
annotation = new CustomStateAnnotation();
}
annotation.Value = value;
annotatable.SetAnnotation(annotation);
}
/// <summary>
/// Sets the value of the CustomState for the specified annotatable.
/// </summary>
/// <param name="annotatable">The annotatable instance to set the CustomState for.</param>
/// <param name="value">The value of the CustomState to set, will overwrite any existing value.</param>
internal static void SetCustomState(this ODataAnnotatable annotatable, object value)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(annotatable != null, "annotatable != null");
CustomStateAnnotation annotation = annotatable.GetAnnotation <CustomStateAnnotation>();
if (annotation == null)
{
annotation = new CustomStateAnnotation();
}
annotation.Value = value;
annotatable.SetAnnotation(annotation);
}
/// <summary>
/// Returns the value of the CustomState for the specified annotatable.
/// </summary>
/// <param name="annotatable">The annotatable instance to get the CustomState for.</param>
/// <returns>The value of the CustomState.</returns>
internal static object GetCustomState(this ODataAnnotatable annotatable)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(annotatable != null, "annotatable != null");
CustomStateAnnotation annotation = annotatable.GetAnnotation <CustomStateAnnotation>();
if (annotation == null)
{
return(null);
}
else
{
return(annotation.Value);
}
}
