How to use

com.activequant.domainmodel.streaming.PNLChangeEvent

constructor

private PNLChangeEvent pnl(TimeStamp ts, String tid, double price, double posChange) {
  PNLChangeEvent pce = null; 
  Double formerPos = positions.get(tid);
     Double lastValuationPrice = lastValPrices.get(tid);
  Double avgPrice = avgPrices.get(tid);
  if (formerPos == null) {
    formerPos = 0.0;
    lastValuationPrice = 0.0;
  }
  Double newPos = formerPos + posChange;
  if (formerPos != 0.0) {
    // revalue the former position.
    double pnlChange = (price - lastValuationPrice) * formerPos;
    double unrealizedPnl = (price - avgPrice) * formerPos; 
    if(newPos==0.0)
      unrealizedPnl = 0.0; 
    pce = new PNLChangeEvent(ts, tid, pnlChange, unrealizedPnl);
    try {
      riskDataPublisher.send(pce);
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
  if(posChange!=0.0)
    positions.put(tid, newPos);
  lastValPrices.put(tid, price);
  return pce; 
}

public PNLChangeEvent ce(long l, String id, Double val){		
  PNLChangeEvent p = new PNLChangeEvent(new TimeStamp(l), id, val, 0.0);
  return p;
}