public static int[] GetGroupAffinities(this IGroupSystem groupSystem)
{
var affinity = groupSystem.GetType()
.GetCustomAttributes(typeof(CollectionAffinityAttribute), true)
.FirstOrDefault();
return(((CollectionAffinityAttribute)affinity)?.CollectionIds);
}
public static int[] GetGroupAffinities(this IGroupSystem system)
{
if (system is null)
{
throw new ArgumentNullException(nameof(system));
}
var affinity = system.GetType().GetCustomAttribute(typeof(CollectionAffinityAttribute), true);
return(((CollectionAffinityAttribute)affinity)?.CollectionIds);
}