/// <summary>
/// Convenience method to get a <see cref="MediaItemAspect"/> from the given <paramref name="aspects"/> dictionary or add a new instance to the
/// dictionary and return it.
/// </summary>
/// <param name="aspects">Dictionary of MediaItemAspects.</param>
/// <param name="mediaItemAspectMetadata">Definiton of metadata that is used for creation.</param>
/// <returns>Existing or new <see cref="MediaItemAspect"/> instance.</returns>
public static SingleMediaItemAspect GetOrCreateAspect(IDictionary <Guid, IList <MediaItemAspect> > aspects, SingleMediaItemAspectMetadata mediaItemAspectMetadata)
{
SingleMediaItemAspect mediaAspect;
Guid aspectId = mediaItemAspectMetadata.AspectId;
if (!TryGetAspect(aspects, mediaItemAspectMetadata, out mediaAspect))
{
if (!aspects.ContainsKey(aspectId))
{
aspects[aspectId] = new List <MediaItemAspect>();
}
aspects[aspectId].Add(mediaAspect = new SingleMediaItemAspect(mediaItemAspectMetadata));
}
return(mediaAspect);
}
/// <summary>
/// Creates a new media item aspect instance for the specified media item aspect <paramref name="metadata"/>.
/// </summary>
/// <param name="metadata">Media item aspect specification.</param>
public SingleMediaItemAspect(SingleMediaItemAspectMetadata metadata) : base(metadata)
{
}
