public MarketDepthSubscription(IConnection connection, IIdsDispenser dispenser, IMarketDepthObserver observer,
Contract contract)
{
CodeContract.Requires(connection != null);
CodeContract.Requires(dispenser != null);
CodeContract.Requires(observer != null);
this.connection = connection;
this.observer = observer;
this.marketDepthUpdatesDispatcher = new MarketDepthUpdatesDispatcher(observer);
this.Subscribe(dispenser, contract);
}
public IDisposable SubscribeMarketDepth(IMarketDepthObserver observer, Contract contract)
{
return this.objectsFactory.CreateMarketDepthSubscription(observer, contract);
}
public IDisposable SubscribeMarketDepth(IMarketDepthObserver observer, Contract contract)
{
CodeContract.Requires(observer != null);
CodeContract.Ensures(CodeContract.Result<IDisposable>() != null);
return null;
}
public IDisposable CreateMarketDepthSubscription(IMarketDepthObserver observer, Contract contract)
{
return new MarketDepthSubscription(this.connection, this.idsDispenser, observer, contract);
}
public MarketDepthUpdatesDispatcher(IMarketDepthObserver observer)
{
CodeContract.Requires(observer != null);
this.observer = observer;
}