public void cancel()
{
if(state == tradeStateType.pending)
{
state = tradeStateType.canceled;
TradeDAO.currentInstance.save(this);
}
}
public void execute()
{
if(state == tradeStateType.pending)
{
string auxiliar = pictureA.getOwner();
pictureA.setOwner(pictureB.getOwner());
pictureB.setOwner(auxiliar);
state = tradeStateType.completed;
TradeDAO.currentInstance.save(this);
}
}
public Trade(Picture imgA,Picture imgB)
{
this.pictureA = imgA;
this.pictureB = imgB;
state = tradeStateType.pending;
}