#define ONIXS_ESPEED_ITCH_API_DECL(typeKind, typeName)
#define ONIXS_ESPEED_ITCH_NAMESPACE_BEGIN
#define ONIXS_ESPEED_ITCH_NAMESPACE_END
virtual void onOrderBookUpdated(const OrderBook &book)=0
Is called when the book is updated.
virtual void onOrderBookOutOfDate(const OrderBook &book)=0
virtual ~OrderBookListener()