@Override
public org.powertac.common.CapacityProfile getCapacityProfile(Tariff tariff) {
double usageSign = bundle.getPowerType().isConsumption() ? +1 : -1;
// New code: shifted prediction - correct for tariff-eval purposes
// ===============================================================
double[] newForecast;
// new code
HashMap<CapacityOriginator, double[]> originator2usage = new HashMap<>();
for (CapacityOriginator capacityOriginator : bundle.getCapacityOriginators()) {
double[] usageForecast = new double[CapacityProfile.NUM_TIMESLOTS];
// BUG FIX: this function is called from forecastCost() and used
// by TariffEvaluationHelper, which assumes the forcast starts
// at the next timeslot
CapacityProfile forecast = capacityOriginator.getForecastForNextTimeslot();
for (int i = 0; i < CapacityProfile.NUM_TIMESLOTS; ++i) {
double hourlyUsage = usageSign * forecast.getCapacity(i);
usageForecast[i] = hourlyUsage; // don't divide yet / bundle.getPopulation();
}
originator2usage.put(capacityOriginator, usageForecast);
}
// Refactored the following code for LearningUtilityOptimizer - shift profile
//
// create dummy subscription for the above usage vector:
// 1 population member under 'tariff', (consuming the sum
// of the originators' usage)
TariffSubscription dummySubscription = new DummyTariffSubscription(getCustomerInfo(), tariff);
newForecast = adjustForecastPerTariff(originator2usage, dummySubscription, bundle);
double[] result = newForecast;
Instant start = service.getTimeService().getCurrentTime().plus(TimeService.HOUR);
return new org.powertac.common.CapacityProfile(result, start);
}
DefaultUtilityOptimizer(CustomerStructure customerStructure, List<CapacityBundle> bundles) {
this.customerStructure = customerStructure;
this.capacityBundles = bundles;
this.evaluatorMap = new HashMap<>();
// create evaluation wrappers and tariff evaluators for each bundle
for (CapacityBundle bundle : bundles) {
TariffSubscriberStructure subStructure = bundle.getSubscriberStructure();
TariffEvaluator evaluator =
new TariffEvaluator(new TariffEvaluationWrapper(bundle))
.withChunkSize(Math.max(1, bundle.getPopulation() / 1000))
.withTariffSwitchFactor(subStructure.getTariffSwitchFactor())
.withPreferredContractDuration(subStructure.getExpectedDuration())
.withInconvenienceWeight(subStructure.getInconvenienceWeight())
.withRationality(subStructure.getLogitChoiceRationality())
.withEvaluateAllTariffs(true);
evaluator.initializeCostFactors(
subStructure.getExpMeanPriceWeight(),
subStructure.getMaxValuePriceWeight(),
subStructure.getRealizedPriceWeight(),
subStructure.getTariffVolumeThreshold());
evaluator.initializeInconvenienceFactors(
subStructure.getTouFactor(),
subStructure.getTieredRateFactor(),
subStructure.getVariablePricingFactor(),
subStructure.getInterruptibilityFactor());
evaluatorMap.put(bundle, evaluator);
}
}
// @StateChange
private void subscribe(Tariff tariff, CapacityBundle bundle, int customerCount, boolean verbose) {
getTariffMarket().subscribeToTariff(tariff, bundle.getCustomerInfo(), customerCount);
if (verbose) {
log.info(
bundle.getName()
+ ": Subscribed "
+ customerCount
+ " customers to tariff "
+ tariff.getId()
+ " successfully");
}
}
// Tariff Evaluation --------------------------------
@Override
public void evaluateTariffs() {
for (CapacityBundle bundle : capacityBundles) {
TariffEvaluator evaluator = evaluatorMap.get(bundle);
if (bundle.getSubscriberStructure().getInertiaDistribution() != null) {
evaluator.withInertia(
bundle.getSubscriberStructure().getInertiaDistribution().drawSample());
} else {
log.warn("no inertia distro, using default value 0.7");
evaluator.withInertia(0.7);
}
evaluator.evaluateTariffs();
}
}
@Override
public void initialize(CustomerStructure structure) {
log.info("Initializing customer " + customerStructure.name);
NodeList capacityBundleNodes =
customerStructure.getConfigXml().getElementsByTagName("capacityBundle");
for (int i = 0; i < capacityBundleNodes.getLength(); ++i) {
Element capacityBundleElement = (Element) capacityBundleNodes.item(i);
CapacityBundle capacityBundle = createCapacityBundle(structure, capacityBundleElement);
capacityBundle.initialize(structure, capacityBundleElement);
capacityBundles.add(capacityBundle);
customerRepo.add(capacityBundle.getCustomerInfo());
}
utilityOptimizer = createUtilityOptimizer(structure, capacityBundles);
utilityOptimizer.initialize();
log.info("Successfully initialized customer " + customerStructure.name);
}
private double useCapacity(TariffSubscription subscription, CapacityBundle bundle) {
double capacity = 0;
for (CapacityOriginator capacityOriginator : bundle.getCapacityOriginators()) {
capacity += capacityOriginator.useCapacity(subscription);
}
return capacity;
}
/**
* Is it correct to sum inconveniences over originators? currently every shifting customer has 1
* originator so this doesn't matter, but it might change in the future.
*/
@Override
public double getShiftingInconvenienceFactor(Tariff tariff) {
double inconv = 0;
for (CapacityOriginator capacityOriginator : bundle.getCapacityOriginators()) {
inconv += capacityOriginator.getShiftingInconvenienceFactor(tariff);
}
return inconv;
}
/** @Override hook */
protected void subscribeDefault() {
for (CapacityBundle bundle : capacityBundles) {
PowerType powerType = bundle.getPowerType();
if (getTariffMarket().getDefaultTariff(powerType) != null) {
log.info(
bundle.getName()
+ ": Subscribing "
+ bundle.getPopulation()
+ " customers to default "
+ powerType
+ " tariff");
subscribe(
getTariffMarket().getDefaultTariff(powerType), bundle, bundle.getPopulation(), false);
} else {
log.info(
bundle.getName()
+ ": No default tariff for power type "
+ powerType
+ "; trying generic type");
PowerType genericType = powerType.getGenericType();
if (getTariffMarket().getDefaultTariff(genericType) == null) {
log.error(
bundle.getName()
+ ": No default tariff for generic power type "
+ genericType
+ " either!");
} else {
log.info(
bundle.getName()
+ ": Subscribing "
+ bundle.getPopulation()
+ " customers to default "
+ genericType
+ " tariff");
subscribe(
getTariffMarket().getDefaultTariff(genericType),
bundle,
bundle.getPopulation(),
false);
}
}
}
}
/**
* HACK, accessed from inner class, overriden from derived class
*
* <p>sum all originators' usage arrays
*
* @param originator2usage
* @param dummySubscription
* @param bundle
* @return
*/
public double[] adjustForecastPerTariff(
HashMap<CapacityOriginator, double[]> originator2usage,
TariffSubscription dummySubscription,
CapacityBundle bundle) {
// sum all originators' usage arrays
double[] result = new double[originator2usage.values().iterator().next().length];
for (double[] usage : originator2usage.values()) {
for (int i = 0; i < result.length; ++i) {
result[i] += usage[i] / bundle.getPopulation();
}
}
return result;
}
private void usePower(Timeslot timeslot) {
for (CapacityBundle bundle : capacityBundles) {
List<TariffSubscription> subscriptions =
getTariffSubscriptionRepo().findActiveSubscriptionsForCustomer(bundle.getCustomerInfo());
double totalCapacity = 0.0;
double totalUsageCharge = 0.0;
for (TariffSubscription subscription : subscriptions) {
double usageSign = bundle.getPowerType().isConsumption() ? +1 : -1;
double currCapacity = usageSign * useCapacity(subscription, bundle);
if (Config.getInstance().isUsageChargesLogging()) {
double charge =
subscription
.getTariff()
.getUsageCharge(currCapacity, subscription.getTotalUsage(), false);
totalUsageCharge += charge;
}
subscription.usePower(currCapacity);
totalCapacity += currCapacity;
}
log.info(
bundle.getName()
+ ": Total "
+ bundle.getPowerType()
+ " capacity for timeslot "
+ timeslot.getSerialNumber()
+ " = "
+ totalCapacity);
logUsageCharges(
bundle.getName()
+ ": Total "
+ bundle.getPowerType()
+ " usage charge for timeslot "
+ timeslot.getSerialNumber()
+ " = "
+ totalUsageCharge);
}
}
@Override
public CustomerInfo getCustomerInfo() {
return bundle.getCustomerInfo();
}
TariffEvaluationWrapper(CapacityBundle bundle) {
this.bundle = bundle;
subStructure = bundle.getSubscriberStructure();
}
