private async Task SubscribeBlock(InQueueBlock <TCriteria, TActionArg> block)
{
try
{
var disposable = await provider.Subscribe(block.Criteria, candle =>
{
if (block.CanReceiveUpdates)
{
block.OnNextAction(candle);
}
}, error => { ReportBlockError(block, error); })
.ConfigureAwait(false);
block.TryMarkAsAlive(disposable);
}
catch (Exception e)
{
if (block.CanReceiveErrors)
{
ReportBlockError(block, e);
}
else
{
NotifyException(e);
}
}
}
private static void ReportBlockError(InQueueBlock <TCriteria, TActionArg> block, Exception error)
{
if (block.CanReceiveErrors)
{
block.ErrorAction(error);
}
}
public Task <IDisposable> Subscribe(TCriteria criteria,
Action <TActionArg> onNextAction, Action <Exception> errorAction)
{
var block = new InQueueBlock <TCriteria, TActionArg>(criteria, onNextAction, errorAction);
var disposable = new FridayDisposable(() => { block.MarkBlockAsNonUsable(); });
lock (actualBlocks)
actualBlocks.Add(block);
return(Task.FromResult <IDisposable>(disposable));
}