public IDisposable Subscribe(IQuoteObserver <T> observer)
{
if (!_observers.Contains(observer))
{
_observers.Add(observer);
}
return(new ObservableUnsubscriber(this, observer));
}
public QuoteSubscription(IConnection connection, IIdsDispenser dispenser, IQuoteObserver observer, Contract contract)
{
CodeContract.Requires(connection != null);
CodeContract.Requires(observer != null);
CodeContract.Requires(dispenser != null);
this.connection = connection;
this.observer = observer;
this.Subscribe(contract, dispenser);
}
internal RecommendedQuoteManager(IQuoteObserver <T> observer,
IQuoteStorageService <T> quoteStorageService,
ILockManager lockManager,
ITradeExecuter <T> tradeExecuter,
IEnumerable <Func <T, bool> > quoteValidationPredicates = null)
{
_observer = observer ?? throw new ArgumentNullException(nameof(observer));
StorageService = quoteStorageService ?? throw new ArgumentNullException(nameof(quoteStorageService));
_lockManager = lockManager;
_tradeExecuter = tradeExecuter;
_quoteValidationPredicates = (quoteValidationPredicates ?? QuoteValidators.DefaultQuoteValidators <T>()).ToList();
}
public IDisposable SubscribeQuote(IQuoteObserver observer, Contract contract)
{
return this.objectsFactory.CreateQuoteSubscription(observer, contract);
}
public ObservableUnsubscriber(ObservedQuoteManager <T> manager, IQuoteObserver <T> observer)
{
_manager = manager;
_observer = observer;
}
private void Unsubscribe(IQuoteObserver <T> observer)
{
_observers.Remove(observer);
}
public IDisposable SubscribeQuote(IQuoteObserver observer, Contract contract)
{
CodeContract.Requires(observer != null);
CodeContract.Ensures(CodeContract.Result<IDisposable>() != null);
return null;
}
public IDisposable CreateQuoteSubscription(IQuoteObserver observer, Contract contract)
{
return new QuoteSubscription(this.connection, this.idsDispenser, observer, contract);
}
