private void timerCallback(object state)
{
ForceValueUpdatedSynchronizationContext.Post(async(chatTrendService) =>
{
IChatTrendService service = (IChatTrendService)chatTrendService;
IForceValueData forceValueData;
try
{
forceValueData = await service.GetForceValueData();
}
catch (ChatTrendServiceException)
{
RemoveService(service);
//TODO: サービスが消えたことを伝える
return;
}
var item = forceValues.FirstOrDefault(x => x.Item1 == chatTrendService);
if (item != null)
{
forceValues.Remove(item);
}
forceValues.Add(new Tuple <IChatTrendService, IForceValueData>(service, forceValueData));
ForceValueUpdated?.Invoke(this, new ForceValueUpdatedEventArgs(service, forceValueData));
}, state);
}
public async void AddService(IChatTrendServiceEntry serviceEntry)
{
IChatTrendService service = await serviceEntry.GetNewService();
timers.TryAdd(service, new Timer(timerCallback, service, 1000, (int)service.UpdateInterval.TotalMilliseconds));
registeredServices.Add(service);
}
public void RemoveService(IChatTrendService service)
{
registeredServices.Remove(service);
Timer timer;
timers.TryRemove(service, out timer);
disposeService(service, timer);
}
private void disposeService(IChatTrendService chatTrendService, Timer timer)
{
ManualResetEvent waitHandle = new ManualResetEvent(false);
timer.Dispose(waitHandle); //Timer破棄
waitHandle.WaitOne();
chatTrendService.Dispose(); //ChatTrendService破棄
}
public ForceValueUpdatedEventArgs(IChatTrendService chatTrendService, IForceValueData forceValueData)
{
this.ChatTrendService = chatTrendService;
this.ForceValueData = forceValueData;
}
