private Task <string> GetObjectAsync(ActorId objectId, CancellationToken cancellationToken)
{
IVisualObjectActor actorProxy = ActorProxy.Create <IVisualObjectActor>(objectId, this.serviceUri);
try
{
return(actorProxy.GetStateAsJsonAsync());
}
catch (Exception)
{
// ignore the exceptions
return(Task.FromResult(String.Empty));
}
}
protected override Task RunAsync(CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
List <Task> runners = new List <Task>();
foreach (ActorId id in this.actorIds)
{
IVisualObjectActor actorProxy = ActorProxy.Create <IVisualObjectActor>(id, this.ActorServiceUri);
Task t = Task.Run(
async() =>
{
while (true)
{
cancellationToken.ThrowIfCancellationRequested();
try
{
this.objectBox.SetObjectString(id, await actorProxy.GetStateAsJsonAsync());
}
catch (Exception)
{
// ignore the exceptions
this.objectBox.SetObjectString(id, string.Empty);
}
finally
{
this.objectBox.computeJson();
}
await Task.Delay(TimeSpan.FromMilliseconds(10));
}
}
,
cancellationToken);
runners.Add(t);
}
return(Task.WhenAll(runners));
}