public static IMutableAnnotatable HasExtendedProperty(IMutableAnnotatable annotatable, String key, String value)
{
var annotation = annotatable.FindAnnotation(nameof(ExtendedProperty)) ?? new Annotation(nameof(ExtendedProperty), "{}");
var annotationValues = JsonSerializer.Deserialize <Dictionary <String, String> >(annotation.Value as String);
annotationValues.Add(key, value);
annotatable.SetAnnotation(nameof(ExtendedProperty), JsonSerializer.Serialize(annotationValues));
return(annotatable);
}
internal static ExtendedProperty[] GetExtendedProperties(this IMutableAnnotatable operation)
{
var annotation = operation.FindAnnotation(nameof(ExtendedProperty));
if (annotation == null)
{
return(new ExtendedProperty[0]);
}
var annotationValues = JsonSerializer.Deserialize <Dictionary <String, String> >(annotation.Value as String);
return(annotationValues.Select(x => new ExtendedProperty(x.Key, x.Value)).ToArray());
}
/// <summary>
/// Gets the existing annotation with a given key, or adds a new annotation if one does not exist.
/// </summary>
/// <param name="annotatable"> The object to find or add the annotation to. </param>
/// <param name="annotationName"> The key of the annotation to be found or added. </param>
/// <param name="value"> The value to be stored in the annotation if a new one is created. </param>
/// <returns> The found or added annotation. </returns>
public static Annotation GetOrAddAnnotation(
[NotNull] this IMutableAnnotatable annotatable, [NotNull] string annotationName, [NotNull] string value)
=> annotatable.FindAnnotation(annotationName) ?? annotatable.AddAnnotation(annotationName, value);