public FutureOperation subscribeTicker ( final BitfinexTickerSymbol tickerSymbol ) throws BitfinexClientException { final FutureOperation future = new FutureOperation ( tickerSymbol ) ; pendingSubscribes . registerFuture ( future ) ; final SubscribeTickerCommand command = new SubscribeTickerCommand ( tickerSymbol ) ; client . sendCommand ( command ) ; return future ; }
Subscribe a ticker