public static async Task <IDictionary <ActorId, TResult> > GetFromAllActors <TActorType, TResult>(IPartitionEnumerationManager partitionEnumerationManager,
                                                                                                          IActorProxyFactory actorProxyFactory, Uri serviceUri, Func <TActorType, Task <KeyValuePair <ActorId, TResult> > > onEachActor, CancellationToken cancellationToken = default(CancellationToken))
            where TActorType : IActor
        {
            var servicePartitionKeysAsync = await ServiceContextExtensions.GetServicePartitionKeysAsync(partitionEnumerationManager, serviceUri);

            var activeActors = new List <ActorInformation>();

            foreach (var partitionInformation in servicePartitionKeysAsync)
            {
                var actorServiceProxy = actorProxyFactory.CreateActorServiceProxy <IActorService>(serviceUri, partitionInformation.LowKey);


                ContinuationToken continuationToken = null;
                do
                {
                    var page = await actorServiceProxy.GetActorsAsync(continuationToken, cancellationToken);

                    activeActors.AddRange(page.Items);

                    continuationToken = page.ContinuationToken;
                } while (continuationToken != null);
            }

            var tasks = activeActors.Select(activeActor => actorProxyFactory.CreateActorProxy <TActorType>(activeActor.ActorId)).Select(onEachActor).ToList();

            return((await Task.WhenAll(tasks)).ToDictionary(task => task.Key, task => task.Value));
        }
        public static async Task <IDictionary <ActorId, ActorInformation> > GetFromAllActors <TActorType>(IPartitionEnumerationManager partitionEnumerationManager, IActorProxyFactory actorProxyFactory,
                                                                                                          Uri serviceUri, CancellationToken cancellationToken = default(CancellationToken), int maxResults = 100)
            where TActorType : IActor
        {
            var servicePartitionKeysAsync = await ServiceContextExtensions.GetServicePartitionKeysAsync(partitionEnumerationManager, serviceUri);

            var result  = new Dictionary <ActorId, ActorInformation>();
            var results = 0;

            foreach (var partitionInformation in servicePartitionKeysAsync)
            {
                var actorServiceProxy = actorProxyFactory.CreateActorServiceProxy <IActorService>(serviceUri, partitionInformation.LowKey);

                ContinuationToken continuationToken = null;
                do
                {
                    var page = await actorServiceProxy.GetActorsAsync(continuationToken, cancellationToken);

                    foreach (var actor in page.Items)
                    {
                        result.Add(actor.ActorId, actor);
                        results++;
                    }
                    if (results >= maxResults)
                    {
                        return(result);
                    }
                    continuationToken = page.ContinuationToken;
                }while (continuationToken != null);
            }
            return(result);
        }