This class does the following steps :
Check if there is one and only one User strategy marked with the @CassandreStrategy annotation.
Connect the AccountFlux to the
accountUpdate() method of the strategy.
Connect the PositionFlux to the
positionUpdate() method of the strategy.
Connect the TickerFlux to the
onTickerUpdate() method of the strategy (after calling
getRequestedCurrencyPairs() on a strategy to know which currency pairs to retrieve).
Connect the OrderFlux to the
orderUpdate() method of the strategy.
Connect the TradeFlux to the
tradeUpdate() method of the strategy.
Set the trade service.