/** Composes and submits the appropriate order for the given timeslot. */
private void submitOrder(double neededKWh, int timeslot) {
double neededMWh = neededKWh / 1000.0;
MarketPosition posn = broker.getBroker().findMarketPositionByTimeslot(timeslot);
if (posn != null) neededMWh -= posn.getOverallBalance();
if (Math.abs(neededMWh) <= minMWh) {
log.info("no power required in timeslot " + timeslot);
return;
}
Double limitPrice = computeLimitPrice(timeslot, neededMWh);
log.info("new order for " + neededMWh + " at " + limitPrice + " in timeslot " + timeslot);
Order order = new Order(broker.getBroker(), timeslot, neededMWh, limitPrice);
lastOrder.put(timeslot, order);
broker.sendMessage(order);
}
/**
* Compute needed quantities for each open timeslot, then submit orders for those quantities.
*
* @see org.powertac.samplebroker.MarketManager#activate()
*/
@Override
public synchronized void activate(int timeslotIndex) {
double neededKWh = 0.0;
log.debug("Current timeslot is " + timeslotRepo.currentTimeslot().getSerialNumber());
for (Timeslot timeslot : timeslotRepo.enabledTimeslots()) {
int index = (timeslot.getSerialNumber()) % broker.getUsageRecordLength();
neededKWh = portfolioManager.collectUsage(index);
submitOrder(neededKWh, timeslot.getSerialNumber());
}
}
/**
* Receives a MarketBootstrapData message, reporting usage and prices for the bootstrap period. We
* record the overall weighted mean price, as well as the mean price and usage for a week.
*/
public synchronized void handleMessage(MarketBootstrapData data) {
marketMWh = new double[broker.getUsageRecordLength()];
marketPrice = new double[broker.getUsageRecordLength()];
double totalUsage = 0.0;
double totalValue = 0.0;
for (int i = 0; i < data.getMwh().length; i++) {
totalUsage += data.getMwh()[i];
totalValue += data.getMarketPrice()[i] * data.getMwh()[i];
if (i < broker.getUsageRecordLength()) {
// first pass, just copy the data
marketMWh[i] = data.getMwh()[i];
marketPrice[i] = data.getMarketPrice()[i];
} else {
// subsequent passes, accumulate mean values
int pass = i / broker.getUsageRecordLength();
int index = i % broker.getUsageRecordLength();
marketMWh[index] = (marketMWh[index] * pass + data.getMwh()[i]) / (pass + 1);
marketPrice[index] = (marketPrice[index] * pass + data.getMarketPrice()[i]) / (pass + 1);
}
}
meanMarketPrice = totalValue / totalUsage;
}
/* (non-Javadoc)
* @see org.powertac.samplebroker.MarketManager#init(org.powertac.samplebroker.SampleBroker)
*/
@Override
public void initialize(BrokerContext broker) {
this.broker = broker;
lastOrder = new HashMap<>();
propertiesService.configureMe(this);
System.out.println(" name=" + broker.getBrokerUsername());
if (seedNumber != null) {
System.out.println(" seeding=" + seedNumber);
log.info("Seeding with : " + seedNumber);
randomGen = new Random(seedNumber);
} else {
randomGen = new Random();
}
}
/** Receives a MarketPosition message, representing our commitments on the wholesale market */
public synchronized void handleMessage(MarketPosition posn) {
broker.getBroker().addMarketPosition(posn, posn.getTimeslotIndex());
}