private void findOrCreateWorker(String symbol, LiveConnectionSubscriber subscriber, LiveConnectors variant)
{
//search for worker which already loads the relevant data
PushWorker worker = findWorker(symbol, variant);
//create worker only in case of new symbol
if (worker == null)
{
worker = new PushWorker(variant, symbol);
DBUpdater dbUpdater = new DBUpdater();
//stash objects for later use
listOfPushWorkers.Add(worker);
listOfDBUpdaters.Add(dbUpdater);
//subscribe dedicated mySQL-Connector to keep DB up-to-date
worker.subscribe(dbUpdater);
//initialize worker, tell him to load
worker.startWork();
}
//subscribe interested Object (e.g. table, chart, etc.)
worker.subscribe(subscriber);
}
public void unsubscribe(LiveConnectionSubscriber subscriber)
{
listOfSubscribers.Remove(subscriber);
}
public void subscribeForLiveConnection(String symbol, LiveConnectionSubscriber subscriber, LiveConnectors variant)
{
findOrCreateWorker(symbol, subscriber, variant);
}
public void subscribe(LiveConnectionSubscriber subscriber)
{
listOfSubscribers.Add(subscriber);
Logger.log("(" + symbol + ") Added Subscriber: " + subscriber.ToString().Replace("AQM_Algo_Trading_Addin_CGR.", ""));
}