void TransactionProcessor::process()
{
while(!m_buy.isEmpty() && !m_sell.isEmpty())
{
Transaction* buy = m_buy.first();
Transaction* sell = m_sell.first();
if(buy->cost() < sell->cost())
break;
qreal dealCost = (buy->time() < sell->time()) ? buy->cost() : sell->cost();
Transaction* forHistory = new Transaction(dealCost, qMin(buy->volume(), sell->volume()));
m_log << forHistory;
if(buy->volume() < sell->volume())
{
sell->setVolume(sell->volume() - buy->volume());
m_buy.removeFirst();
delete buy;
}
else if(buy->volume() > sell->volume())
{
buy->setVolume(buy->volume() - sell->volume());
m_sell.removeFirst();
delete sell;
}
else // (buy->volume() == sell->volume())
{
m_sell.removeFirst();
m_buy.removeFirst();
delete buy;
delete sell;
}
}
updateModels();
debugReport();
}
