#ifndef ORDER_H
#define ORDER_H
class Stock;
class Investor;

class Order
{
public:
  Order( Investor*, Stock*, double price, long amount, 
	 unsigned int validity = defaultMaxValidity );
  virtual ~Order();
  virtual bool execute( double price,  long amount ) = 0;
  Stock* stock() const { return stock_; }
  double price() const { return price_; }
  long amount() const { return amount_; }
  void notify();
  bool expired() const;

protected:
  Investor* investor_;
  void dump( double price, long amount );
  double cost() const;

private:
  Stock* stock_;
  double price_;
  long amount_;
  unsigned int validity_;
  static unsigned int defaultMaxValidity;
};

#endif