Orleans Cluster Singleton

ClusterSingleton.cs

    public static class GrainExtensions
    {
        public static T GetGrain<T>(this IGrainFactory grainFactory) where T : IGrainWithSingletonKey
        {
            return grainFactory.GetGrain<T>(Guid.Empty);
        }
    }

    /// <summary>
    /// Marker interface for cluster level singleton
    /// </summary>
    public interface IGrainWithSingletonKey : IGrainWithGuidKey
    {
    }