private async void InitializeUserGrain()
{
var connectionGrain = GrainClient.GrainFactory.GetGrain <IUserConnectionGrain>(_userId);
await connectionGrain.Disconnect(new DisconnectCause
{
Message = "new connection"
});
var observer = await GrainClient.GrainFactory.CreateObjectReference <IUserConnectionObserver>(this);
await connectionGrain.Subscribe(observer);
bool disposed;
lock (_sync)
{
_userConnectionGrain = connectionGrain;
_observer = observer;
disposed = _disposed;
}
if (disposed)
{
DisposeUserGrain(connectionGrain, observer);
}
}
public void Dispose()
{
lock (_sync)
{
_disposed = true;
if (_userConnectionGrain != null)
{
var grain = _userConnectionGrain;
var observer = _observer;
_userConnectionGrain = null;
_observer = null;
DisposeUserGrain(grain, observer);
}
}
}
private async void DisposeUserGrain(IUserConnectionGrain grain, IUserConnectionObserver observer)
{
await grain.Unsubscribe(observer);
await GrainClient.GrainFactory.DeleteObjectReference <IUserConnectionObserver>(observer);
}
