method2testcases
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118
6.63k
### Question: Service extends AbstractJob { @Override public List<Activity> getActivities() { return activities; } Service(Builder<?> builder); Collection<TimeWindow> getTimeWindows(); @Override String getId(); Location getLocation(); double getServiceDuration(); TimeWindow getTimeWindow(); String getType(); @Override ...
### Question: TimeWindowsImpl implements TimeWindows { public void add(TimeWindow timeWindow){ for(TimeWindow tw : timeWindows){ if(timeWindow.getStart() > tw.getStart() && timeWindow.getStart() < tw.getEnd()){ throw new IllegalArgumentException("time-windows cannot overlap each other. overlap: " + tw + ", " + timeWind...
### Question: ServiceActivity extends AbstractActivity implements TourActivity.JobActivity { @Override public Capacity getSize() { return service.getSize(); } protected ServiceActivity(Service service); protected ServiceActivity(ServiceActivity serviceActivity); double getArrTime(); void setArrTime(double arrTime); d...
### Question: ServiceActivity extends AbstractActivity implements TourActivity.JobActivity { public double getTheoreticalEarliestOperationStartTime() { return theoreticalEarliest; } protected ServiceActivity(Service service); protected ServiceActivity(ServiceActivity serviceActivity); double getArrTime(); void setArr...
### Question: ServiceActivity extends AbstractActivity implements TourActivity.JobActivity { public double getTheoreticalLatestOperationStartTime() { return theoreticalLatest; } protected ServiceActivity(Service service); protected ServiceActivity(ServiceActivity serviceActivity); double getArrTime(); void setArrTime...
### Question: ServiceActivity extends AbstractActivity implements TourActivity.JobActivity { @Override public Location getLocation() { return service.getLocation(); } protected ServiceActivity(Service service); protected ServiceActivity(ServiceActivity serviceActivity); double getArrTime(); void setArrTime(double arr...
### Question: DeliverShipment extends AbstractActivity implements DeliveryActivity { @Override public Capacity getSize() { return capacity; } DeliverShipment(Shipment shipment); private DeliverShipment(DeliverShipment deliveryShipmentActivity); @Override Job getJob(); @Override void setTheoreticalEarliestOperationStar...
### Question: DeliverShipment extends AbstractActivity implements DeliveryActivity { @Override public double getTheoreticalEarliestOperationStartTime() { return earliest; } DeliverShipment(Shipment shipment); private DeliverShipment(DeliverShipment deliveryShipmentActivity); @Override Job getJob(); @Override void setT...
### Question: DeliverShipment extends AbstractActivity implements DeliveryActivity { @Override public double getTheoreticalLatestOperationStartTime() { return latest; } DeliverShipment(Shipment shipment); private DeliverShipment(DeliverShipment deliveryShipmentActivity); @Override Job getJob(); @Override void setTheor...
### Question: DeliverShipment extends AbstractActivity implements DeliveryActivity { @Override public Location getLocation() { return shipment.getDeliveryLocation(); } DeliverShipment(Shipment shipment); private DeliverShipment(DeliverShipment deliveryShipmentActivity); @Override Job getJob(); @Override void setTheore...
### Question: DefaultShipmentActivityFactory implements TourShipmentActivityFactory { @Override public AbstractActivity createPickup(Shipment shipment) { return new PickupShipment(shipment); } @Override AbstractActivity createPickup(Shipment shipment); @Override AbstractActivity createDelivery(Shipment shipment); }##...
### Question: DefaultShipmentActivityFactory implements TourShipmentActivityFactory { @Override public AbstractActivity createDelivery(Shipment shipment) { return new DeliverShipment(shipment); } @Override AbstractActivity createPickup(Shipment shipment); @Override AbstractActivity createDelivery(Shipment shipment); ...
### Question: DefaultTourActivityFactory implements TourActivityFactory { @Override public AbstractActivity createActivity(Service service) { AbstractActivity act; if (service instanceof Pickup) { act = new PickupService((Pickup) service); } else if (service instanceof Delivery) { act = new DeliverService((Delivery) se...
### Question: DeliverService extends AbstractActivity implements DeliveryActivity { @Override public Capacity getSize() { return capacity; } DeliverService(Delivery delivery); private DeliverService(DeliverService deliveryActivity); @Override String getName(); @Override Location getLocation(); @Override void setTheore...
### Question: DeliverService extends AbstractActivity implements DeliveryActivity { @Override public double getTheoreticalEarliestOperationStartTime() { return theoreticalEarliest; } DeliverService(Delivery delivery); private DeliverService(DeliverService deliveryActivity); @Override String getName(); @Override Locati...
### Question: DeliverService extends AbstractActivity implements DeliveryActivity { @Override public double getTheoreticalLatestOperationStartTime() { return theoreticalLatest; } DeliverService(Delivery delivery); private DeliverService(DeliverService deliveryActivity); @Override String getName(); @Override Location g...
### Question: DeliverService extends AbstractActivity implements DeliveryActivity { @Override public Location getLocation() { return delivery.getLocation(); } DeliverService(Delivery delivery); private DeliverService(DeliverService deliveryActivity); @Override String getName(); @Override Location getLocation(); @Overr...
### Question: PickupService extends AbstractActivity implements PickupActivity { @Override public Capacity getSize() { return pickup.getSize(); } PickupService(Pickup pickup); PickupService(Service service); private PickupService(PickupService pickupActivity); @Override String getName(); @Override Location getLocatio...
### Question: PickupService extends AbstractActivity implements PickupActivity { @Override public double getTheoreticalEarliestOperationStartTime() { return theoreticalEarliest; } PickupService(Pickup pickup); PickupService(Service service); private PickupService(PickupService pickupActivity); @Override String getNam...
### Question: PickupService extends AbstractActivity implements PickupActivity { @Override public double getTheoreticalLatestOperationStartTime() { return theoreticalLatest; } PickupService(Pickup pickup); PickupService(Service service); private PickupService(PickupService pickupActivity); @Override String getName();...
### Question: PickupService extends AbstractActivity implements PickupActivity { @Override public Location getLocation() { return pickup.getLocation(); } PickupService(Pickup pickup); PickupService(Service service); private PickupService(PickupService pickupActivity); @Override String getName(); @Override Location ge...
### Question: BreakActivity extends AbstractActivity implements TourActivity.JobActivity { @Override public Capacity getSize() { return aBreak.getSize(); } protected BreakActivity(Break aBreak); protected BreakActivity(BreakActivity breakActivity); double getArrTime(); void setArrTime(double arrTime); double getEndTi...
### Question: BreakActivity extends AbstractActivity implements TourActivity.JobActivity { @Override public Service getJob() { return aBreak; } protected BreakActivity(Break aBreak); protected BreakActivity(BreakActivity breakActivity); double getArrTime(); void setArrTime(double arrTime); double getEndTime(); void s...
### Question: BreakActivity extends AbstractActivity implements TourActivity.JobActivity { public double getTheoreticalEarliestOperationStartTime() { return earliest; } protected BreakActivity(Break aBreak); protected BreakActivity(BreakActivity breakActivity); double getArrTime(); void setArrTime(double arrTime); do...
### Question: BreakActivity extends AbstractActivity implements TourActivity.JobActivity { public double getTheoreticalLatestOperationStartTime() { return latest; } protected BreakActivity(Break aBreak); protected BreakActivity(BreakActivity breakActivity); double getArrTime(); void setArrTime(double arrTime); double...
### Question: PickupShipment extends AbstractActivity implements PickupActivity { @Override public Capacity getSize() { return shipment.getSize(); } PickupShipment(Shipment shipment); private PickupShipment(PickupShipment pickupShipmentActivity); @Override Job getJob(); @Override void setTheoreticalEarliestOperationSt...
### Question: PickupShipment extends AbstractActivity implements PickupActivity { @Override public double getTheoreticalEarliestOperationStartTime() { return earliest; } PickupShipment(Shipment shipment); private PickupShipment(PickupShipment pickupShipmentActivity); @Override Job getJob(); @Override void setTheoretic...
### Question: PickupShipment extends AbstractActivity implements PickupActivity { @Override public double getTheoreticalLatestOperationStartTime() { return latest; } PickupShipment(Shipment shipment); private PickupShipment(PickupShipment pickupShipmentActivity); @Override Job getJob(); @Override void setTheoreticalEa...
### Question: PickupShipment extends AbstractActivity implements PickupActivity { @Override public Location getLocation() { return shipment.getPickupLocation(); } PickupShipment(Shipment shipment); private PickupShipment(PickupShipment pickupShipmentActivity); @Override Job getJob(); @Override void setTheoreticalEarli...
### Question: VehicleRoute { public static VehicleRoute emptyRoute() { return Builder.newInstance(VehicleImpl.createNoVehicle(), DriverImpl.noDriver()).build(); } private VehicleRoute(VehicleRoute route); private VehicleRoute(Builder builder); static VehicleRoute copyOf(VehicleRoute route); static VehicleRoute emptyR...
### Question: VehicleRoute { public TourActivities getTourActivities() { return tourActivities; } private VehicleRoute(VehicleRoute route); private VehicleRoute(Builder builder); static VehicleRoute copyOf(VehicleRoute route); static VehicleRoute emptyRoute(); List<TourActivity> getActivities(); TourActivities getTou...
### Question: VehicleRoute { public Start getStart() { return start; } private VehicleRoute(VehicleRoute route); private VehicleRoute(Builder builder); static VehicleRoute copyOf(VehicleRoute route); static VehicleRoute emptyRoute(); List<TourActivity> getActivities(); TourActivities getTourActivities(); Vehicle getV...
### Question: VehicleRoute { public End getEnd() { return end; } private VehicleRoute(VehicleRoute route); private VehicleRoute(Builder builder); static VehicleRoute copyOf(VehicleRoute route); static VehicleRoute emptyRoute(); List<TourActivity> getActivities(); TourActivities getTourActivities(); Vehicle getVehicle...
### Question: VehicleRoute { public List<TourActivity> getActivities() { return tourActivities.getActivities(); } private VehicleRoute(VehicleRoute route); private VehicleRoute(Builder builder); static VehicleRoute copyOf(VehicleRoute route); static VehicleRoute emptyRoute(); List<TourActivity> getActivities(); TourA...
### Question: VehicleRoutingProblemSolution { public Collection<VehicleRoute> getRoutes() { return routes; } private VehicleRoutingProblemSolution(VehicleRoutingProblemSolution solution); VehicleRoutingProblemSolution(Collection<VehicleRoute> routes, double cost); VehicleRoutingProblemSolution(Collection<VehicleRout...
### Question: VehicleRoutingProblemSolution { public double getCost() { return cost; } private VehicleRoutingProblemSolution(VehicleRoutingProblemSolution solution); VehicleRoutingProblemSolution(Collection<VehicleRoute> routes, double cost); VehicleRoutingProblemSolution(Collection<VehicleRoute> routes, Collection<...
### Question: VehicleRoutingProblemSolution { public Collection<Job> getUnassignedJobs() { return unassignedJobs; } private VehicleRoutingProblemSolution(VehicleRoutingProblemSolution solution); VehicleRoutingProblemSolution(Collection<VehicleRoute> routes, double cost); VehicleRoutingProblemSolution(Collection<Vehi...
### Question: SolutionAnalyser { public Capacity getMaxLoad(VehicleRoute route) { if (route == null) throw new IllegalArgumentException("route is missing."); return stateManager.getRouteState(route, InternalStates.MAXLOAD, Capacity.class); } SolutionAnalyser(VehicleRoutingProblem vrp, VehicleRoutingProblemSolution solu...
### Question: SolutionAnalyser { public Double getOperationTime(VehicleRoute route) { if (route == null) throw new IllegalArgumentException("route is missing."); return route.getEnd().getArrTime() - route.getStart().getEndTime(); } SolutionAnalyser(VehicleRoutingProblem vrp, VehicleRoutingProblemSolution solution, Tran...
### Question: SolutionAnalyser { public Double getWaitingTime(VehicleRoute route) { if (route == null) throw new IllegalArgumentException("route is missing."); return stateManager.getRouteState(route, waitingTimeId, Double.class); } SolutionAnalyser(VehicleRoutingProblem vrp, VehicleRoutingProblemSolution solution, Tra...
### Question: SolutionAnalyser { public Double getTransportTime(VehicleRoute route) { if (route == null) throw new IllegalArgumentException("route is missing."); return stateManager.getRouteState(route, transportTimeId, Double.class); } SolutionAnalyser(VehicleRoutingProblem vrp, VehicleRoutingProblemSolution solution,...
### Question: SolutionAnalyser { public Double getServiceTime(VehicleRoute route) { if (route == null) throw new IllegalArgumentException("route is missing."); return stateManager.getRouteState(route, serviceTimeId, Double.class); } SolutionAnalyser(VehicleRoutingProblem vrp, VehicleRoutingProblemSolution solution, Tra...
### Question: SolutionAnalyser { public Double getDistance(VehicleRoute route) { if (route == null) throw new IllegalArgumentException("route is missing."); return stateManager.getRouteState(route, distanceId, Double.class); } SolutionAnalyser(VehicleRoutingProblem vrp, VehicleRoutingProblemSolution solution, Transport...
### Question: VehicleRoutingTransportCostsMatrix extends AbstractForwardVehicleRoutingTransportCosts { @Override public double getTransportTime(Location from, Location to, double departureTime, Driver driver, Vehicle vehicle) { return getTime(from.getId(), to.getId()); } private VehicleRoutingTransportCostsMatrix(Buil...
### Question: SolutionAnalyser { public Double getVariableTransportCosts(VehicleRoute route) { if (route == null) throw new IllegalArgumentException("route is missing."); return stateManager.getRouteState(route, InternalStates.COSTS, Double.class); } SolutionAnalyser(VehicleRoutingProblem vrp, VehicleRoutingProblemSolu...
### Question: SolutionAnalyser { public Double getFixedCosts(VehicleRoute route) { if (route == null) throw new IllegalArgumentException("route is missing."); return route.getVehicle().getType().getVehicleCostParams().fix; } SolutionAnalyser(VehicleRoutingProblem vrp, VehicleRoutingProblemSolution solution, TransportDi...
### Question: SolutionAnalyser { public Capacity getCapacityViolation(VehicleRoute route) { if (route == null) throw new IllegalArgumentException("route is missing."); Capacity maxLoad = getMaxLoad(route); return Capacity.max(Capacity.Builder.newInstance().build(), Capacity.subtract(maxLoad, route.getVehicle().getType(...
### Question: SearchStrategy { public void addModule(SearchStrategyModule module) { if (module == null) throw new IllegalStateException("module to be added is null."); searchStrategyModules.add(module); logger.debug("module added [module={}][#modules={}]", module, searchStrategyModules.size()); } SearchStrategy(String ...
### Question: SelectBest implements SolutionSelector { @Override public VehicleRoutingProblemSolution selectSolution(Collection<VehicleRoutingProblemSolution> solutions) { double minCost = Double.MAX_VALUE; VehicleRoutingProblemSolution bestSolution = null; for (VehicleRoutingProblemSolution sol : solutions) { if (best...
### Question: GreedyAcceptance implements SolutionAcceptor { @Override public boolean acceptSolution(Collection<VehicleRoutingProblemSolution> solutions, VehicleRoutingProblemSolution newSolution) { boolean solutionAccepted = false; if (solutions.size() < solutionMemory) { solutions.add(newSolution); solutionAccepted =...
### Question: SchrimpfAcceptance implements SolutionAcceptor, IterationStartsListener, AlgorithmStartsListener { @Override public boolean acceptSolution(Collection<VehicleRoutingProblemSolution> solutions, VehicleRoutingProblemSolution newSolution) { boolean solutionAccepted = false; if (solutions.size() < solutionMemo...
### Question: StateManager implements RouteAndActivityStateGetter, IterationStartsListener, RuinListener, InsertionStartsListener, JobInsertedListener, InsertionEndsListener { @Override public <T> T getRouteState(VehicleRoute route, StateId stateId, Class<T> type) { if (route == null) return null; T state = null; if(is...
### Question: StateManager implements RouteAndActivityStateGetter, IterationStartsListener, RuinListener, InsertionStartsListener, JobInsertedListener, InsertionEndsListener { public StateId createStateId(String name) { if (createdStateIds.containsKey(name)) return createdStateIds.get(name); if (stateIndexCounter >= ac...
### Question: StringUtil { static List<Integer> getLowerBoundsOfAllStrings(int length, int seedIndex, int routeLength) { List<Integer> lowerBounds = new ArrayList<>(); for (int i = 1; i <= length; i++) { int lower = seedIndex - (length - i); int upper = seedIndex + (i - 1); if (lower >= 0 && upper < routeLength) { lowe...
### Question: RuinClusters extends AbstractRuinStrategy implements IterationStartsListener { @Override public Collection<Job> ruinRoutes(Collection<VehicleRoute> vehicleRoutes) { List<Job> unassignedJobs = new ArrayList<>(); int nOfJobs2BeRemoved = getRuinShareFactory().createNumberToBeRemoved(); ruin(vehicleRoutes, nO...
### Question: RuinRadial extends AbstractRuinStrategy { @Override public Collection<Job> ruinRoutes(Collection<VehicleRoute> vehicleRoutes) { if (vehicleRoutes.isEmpty()) { return Collections.emptyList(); } int nOfJobs2BeRemoved = Math.min(ruinShareFactory.createNumberToBeRemoved(), noJobsToMemorize); Collection<Job> j...
### Question: RuinAndRecreateModule implements SearchStrategyModule { @Override public VehicleRoutingProblemSolution runAndGetSolution(VehicleRoutingProblemSolution previousVrpSolution) { Collection<Job> ruinedJobs = ruin.ruin(previousVrpSolution.getRoutes()); Set<Job> ruinedJobSet = new HashSet<>(ruinedJobs); List<Job...
### Question: SearchStrategyManager { public void addStrategy(SearchStrategy strategy, double weight) { if (strategy == null) { throw new IllegalStateException("strategy is null. make sure adding a valid strategy."); } if (id2index.keySet().contains(strategy.getId())) { throw new IllegalStateException("strategyId " + s...
### Question: VrpXMLWriter { public void write(String filename) { if (!filename.endsWith(".xml")) filename += ".xml"; log.info("write vrp: " + filename); XMLConf xmlConfig = createXMLConfiguration(); try { xmlConfig.setFileName(filename); Writer out = new FileWriter(filename); XMLSerializer serializer = new XMLSerializ...
### Question: UnassignedJobReasonTracker implements JobUnassignedListener { public int getMostLikelyReasonCode(String jobId) { if (!this.failedConstraintNamesFrequencyMapping.containsKey(jobId)) return -1; Frequency reasons = this.failedConstraintNamesFrequencyMapping.get(jobId); String mostLikelyReason = getMostLikely...
### Question: UnassignedJobReasonTracker implements JobUnassignedListener { public static String getMostLikelyFailedConstraintName(Frequency failedConstraintNamesFrequency) { if (failedConstraintNamesFrequency == null || failedConstraintNamesFrequency.getUniqueCount() == 0) return NO_REASON; Iterator<Map.Entry<Comparab...
### Question: FastVehicleRoutingTransportCostsMatrix extends AbstractForwardVehicleRoutingTransportCosts { @Override public double getTransportCost(Location from, Location to, double departureTime, Driver driver, Vehicle vehicle) { if (from.getIndex() < 0 || to.getIndex() < 0) throw new IllegalArgumentException("index ...
### Question: FastVehicleRoutingTransportCostsMatrix extends AbstractForwardVehicleRoutingTransportCosts { @Override public double getTransportTime(Location from, Location to, double departureTime, Driver driver, Vehicle vehicle) { if (from.getIndex() < 0 || to.getIndex() < 0) throw new IllegalArgumentException("index ...
### Question: RandomUtils { public static <T> T nextItem(Collection<T> items, Random random) { int randomIndex = random.nextInt(items.size()); int count = 0; for (T item : items) { if (count == randomIndex) return item; count++; } return null; } static VehicleRoute nextRoute(Collection<VehicleRoute> routes, Random ran...
### Question: RandomUtils { public static Job nextJob(Collection<Job> jobs, Random random) { return nextItem(jobs, random); } static VehicleRoute nextRoute(Collection<VehicleRoute> routes, Random random); static Job nextJob(Collection<Job> jobs, Random random); static Job nextJob(List<Job> jobs, Random random); static...
### Question: GreatCircleDistanceCalculator { public static double calculateDistance(Coordinate coord1, Coordinate coord2, DistanceUnit distanceUnit) { double lon1 = coord1.getX(); double lon2 = coord2.getX(); double lat1 = coord1.getY(); double lat2 = coord2.getY(); double delta_Lat = Math.toRadians(lat2 - lat1); doub...
### Question: VehicleFleetManagerImpl implements VehicleFleetManager { @Override public Collection<Vehicle> getAvailableVehicles() { List<Vehicle> vehicles = new ArrayList<>(); for (TypeContainer vehicleType : vehicleTypes) { if (!vehicleType.isEmpty()) { vehicles.add(vehicleType.getVehicle()); } } return vehicles; } V...
### Question: VehicleFleetManagerImpl implements VehicleFleetManager { @Override public void lock(Vehicle vehicle) { if (vehicles.isEmpty() || vehicle instanceof VehicleImpl.NoVehicle) { return; } if(locked[vehicle.getIndex()]){ throw new IllegalStateException("cannot lock vehicle twice " + vehicle.getId()); } else{ lo...
### Question: VehicleFleetManagerImpl implements VehicleFleetManager { @Override public boolean isLocked(Vehicle vehicle) { return locked[vehicle.getIndex()]; } VehicleFleetManagerImpl(Collection<Vehicle> vehicles); VehicleFleetManagerImpl newInstance(Collection<Vehicle> vehicles); @Override String toString(); @Overrid...
### Question: VehicleFleetManagerImpl implements VehicleFleetManager { @Override public void unlock(Vehicle vehicle) { if (vehicle == null || vehicles.isEmpty() || vehicle instanceof VehicleImpl.NoVehicle) { return; } locked[vehicle.getIndex()] = false; addVehicle(vehicle); } VehicleFleetManagerImpl(Collection<Vehicle>...
### Question: VehicleImpl extends AbstractVehicle { @Override public Break getBreak() { return aBreak; } private VehicleImpl(Builder builder); static Vehicle copyOf(Vehicle vehicle); static NoVehicle createNoVehicle(); @Override String toString(); @Override double getEarliestDeparture(); @Override double getLatestArri...
### Question: VehicleImpl extends AbstractVehicle { @Override public boolean isReturnToDepot() { return returnToDepot; } private VehicleImpl(Builder builder); static Vehicle copyOf(Vehicle vehicle); static NoVehicle createNoVehicle(); @Override String toString(); @Override double getEarliestDeparture(); @Override doub...
### Question: VehicleImpl extends AbstractVehicle { @Override public Location getStartLocation() { return startLocation; } private VehicleImpl(Builder builder); static Vehicle copyOf(Vehicle vehicle); static NoVehicle createNoVehicle(); @Override String toString(); @Override double getEarliestDeparture(); @Override do...
### Question: VehicleImpl extends AbstractVehicle { @Override public double getEarliestDeparture() { return earliestDeparture; } private VehicleImpl(Builder builder); static Vehicle copyOf(Vehicle vehicle); static NoVehicle createNoVehicle(); @Override String toString(); @Override double getEarliestDeparture(); @Overr...
### Question: VehicleImpl extends AbstractVehicle { @Override public double getLatestArrival() { return latestArrival; } private VehicleImpl(Builder builder); static Vehicle copyOf(Vehicle vehicle); static NoVehicle createNoVehicle(); @Override String toString(); @Override double getEarliestDeparture(); @Override doub...
### Question: LatexEscapeTool { public String escape(final String input) { if (input == null) { return null; } String output = input; output = output.replace("\\", "\\textbackslash "); output = output.replace("€", "\\euro "); output = output.replace("<", "\\textless "); output = output.replace(">", "\\textgreater "); o...
### Question: LatexContext { public LatexContext add(final String key, final Object value) { requireNonNull(key, "key must not be null"); context.put(key, value); return this; } LatexContext add(final String key, final Object value); Set<String> keys(); Map<String, Object> asMap(); }### Answer: @Test(expected = NullP...
### Question: LatexTemplate { public final String populateFrom(final LatexContext context) { requireNonNull(context); final VelocityEngine velocityEngine = initializeEngine(); final VelocityContext velocityContext = prepareContext(context); return evaluateTemplate(velocityContext, velocityEngine); } LatexTemplate(final...
### Question: AggregationExample { public Iterator<DBObject> simpleAggregation() { BasicDBObjectBuilder builder = new BasicDBObjectBuilder(); builder.push("$group"); builder.add("_id", "$manufacturer"); builder.push("num_products"); builder.add("$sum", 1); builder.pop(); builder.pop(); return col.aggregate(builder.get(...
### Question: AggregationExample { public Iterator<DBObject> sort() { BasicDBObjectBuilder match = buildMatchDBObject(); BasicDBObjectBuilder group = new BasicDBObjectBuilder(); group.push("$group"); group.add("_id", "$city"); group.push("population"); group.add("$sum", "$pop"); group.pop(); group.pop(); BasicDBObjectB...
### Question: AggregationExample { public Iterator<DBObject> limitAndSkip() { BasicDBObjectBuilder match = buildMatchDBObject(); BasicDBObjectBuilder group = new BasicDBObjectBuilder(); group.push("$group"); group.add("_id", "$city"); group.push("population"); group.add("$sum", "$pop"); group.pop(); group.pop(); BasicD...
### Question: AggregationExample { public Iterator<DBObject> unwind() { BasicDBObject unwind = new BasicDBObject("$unwind", "$tags"); BasicDBObjectBuilder group = new BasicDBObjectBuilder(); group.push("$group"); group.add("_id", "$tags"); group.push("count"); group.add("$sum", 1); group.pop(); group.pop(); BasicDBObje...
### Question: AggregationExample { public Iterator<DBObject> doubleUnwind() { BasicDBObject unwindSizes = new BasicDBObject("$unwind", "$sizes"); BasicDBObject unwindColors = new BasicDBObject("$unwind", "$colors"); BasicDBObjectBuilder group = new BasicDBObjectBuilder(); group.push("$group"); group.push("_id"); group....
### Question: AggregationExample { public Iterator<DBObject> compoundAggregation() { BasicDBObjectBuilder builder = new BasicDBObjectBuilder(); builder.push("$group"); builder.push("_id"); builder.add("manufacturer", "$manufacturer"); builder.add("category", "$category"); builder.pop(); builder.push("num_products"); bu...
### Question: AggregationExample { public Iterator<DBObject> sumPrices() { BasicDBObjectBuilder builder = new BasicDBObjectBuilder(); builder.push("$group"); builder.add("_id", "$manufacturer"); builder.push("sum_prices"); builder.add("$sum", "$price"); builder.pop(); builder.pop(); return col.aggregate(builder.get())....
### Question: AggregationExample { public Iterator<DBObject> averagePrices() { BasicDBObjectBuilder builder = new BasicDBObjectBuilder(); builder.push("$group"); builder.add("_id", "$category"); builder.push("sum_prices"); builder.add("$avg", "$price"); builder.pop(); builder.pop(); return col.aggregate(builder.get())....
### Question: AggregationExample { public Iterator<DBObject> addToSet() { BasicDBObjectBuilder builder = new BasicDBObjectBuilder(); builder.push("$group"); builder.push("_id"); builder.add("maker", "$manufacturer"); builder.pop(); builder.push("categories"); builder.add("$addToSet", "$category"); builder.pop(); builde...
### Question: AggregationExample { public Iterator<DBObject> push() { BasicDBObjectBuilder builder = new BasicDBObjectBuilder(); builder.push("$group"); builder.push("_id"); builder.add("maker", "$manufacturer"); builder.pop(); builder.push("categories"); builder.add("$push", "$category"); builder.pop(); builder.pop();...
### Question: AggregationExample { public Iterator<DBObject> maxPrice() { BasicDBObjectBuilder builder = new BasicDBObjectBuilder(); builder.push("$group"); builder.push("_id"); builder.add("maker", "$manufacturer"); builder.pop(); builder.push("maxprice"); builder.add("$max", "$price"); builder.pop(); builder.pop(); r...
### Question: AggregationExample { public Iterator<DBObject> doubleGroupStages() { BasicDBObjectBuilder group_1 = new BasicDBObjectBuilder(); group_1.push("$group"); group_1.push("_id"); group_1.add("class_id", "$class_id"); group_1.add("student_id", "$student_id"); group_1.pop(); group_1.push("average"); group_1.add("...
### Question: AggregationExample { public Iterator<DBObject> project() { BasicDBObjectBuilder builder = new BasicDBObjectBuilder(); builder.push("$project"); builder.add("_id", 0); builder.push("maker"); builder.add("$toLower", "$manufacturer"); builder.pop(); builder.push("details"); builder.add("category", "$category...
### Question: AggregationExample { public Iterator<DBObject> match() { BasicDBObjectBuilder match = buildMatchDBObject(); BasicDBObjectBuilder group = new BasicDBObjectBuilder(); group.push("$group"); group.add("_id", "$city"); group.push("population"); group.add("$sum", "$pop"); group.pop(); group.push("zip_codes"); g...
### Question: Exec { static int parseExitCode(ApiClient client, InputStream inputStream) { try { Type returnType = new TypeToken<V1Status>() {}.getType(); String body; try (final Reader reader = new InputStreamReader(inputStream)) { body = CharStreams.toString(reader); } V1Status status = client.getJSON().deserialize(b...
### Question: DefaultDelayingQueue extends DefaultWorkQueue<T> implements DelayingQueue<T> { public void addAfter(T item, Duration duration) { if (super.isShuttingDown()) { return; } if (duration.isZero()) { super.add(item); return; } WaitForEntry<T> entry = new WaitForEntry<>(item, duration.addTo(Instant.now())); this...
### Question: MaxOfRateLimiter implements RateLimiter<T> { public MaxOfRateLimiter(List<RateLimiter<T>> rateLimiters) { this.rateLimiters = rateLimiters; } MaxOfRateLimiter(List<RateLimiter<T>> rateLimiters); @SafeVarargs @SuppressWarnings("varargs") MaxOfRateLimiter(RateLimiter<T>... rateLimiters); @Override Duration...
### Question: MaxOfRateLimiter implements RateLimiter<T> { @Override public Duration when(T item) { Duration max = Duration.ZERO; for (RateLimiter<T> r : rateLimiters) { Duration current = r.when(item); if (current.compareTo(max) > 0) { max = current; } } return max; } MaxOfRateLimiter(List<RateLimiter<T>> rateLimiters...
### Question: BucketRateLimiter implements RateLimiter<T> { @Override public Duration when(T item) { long overdraftNanos = bucket.consumeIgnoringRateLimits(1); return Duration.ofNanos(overdraftNanos); } BucketRateLimiter(long capacity, long tokensGeneratedInPeriod, Duration period); @Override Duration when(T item); @Ov...
### Question: ItemExponentialFailureRateLimiter implements RateLimiter<T> { public ItemExponentialFailureRateLimiter(Duration baseDelay, Duration maxDelay) { this.baseDelay = baseDelay; this.maxDelay = maxDelay; failures = AtomicLongMap.create(); } ItemExponentialFailureRateLimiter(Duration baseDelay, Duration maxDelay...
### Question: ItemExponentialFailureRateLimiter implements RateLimiter<T> { @Override public Duration when(T item) { long exp = failures.getAndIncrement(item); long d = maxDelay.toMillis() >> exp; return d > baseDelay.toMillis() ? baseDelay.multipliedBy(1 << exp) : maxDelay; } ItemExponentialFailureRateLimiter(Duration...
### Question: ItemFastSlowRateLimiter implements RateLimiter<T> { @Override public Duration when(T item) { long attempts = failures.incrementAndGet(item); if (attempts <= maxFastAttempts) { return fastDelay; } return slowDelay; } ItemFastSlowRateLimiter(Duration fastDelay, Duration slowDelay, int maxFastAttempts); @Ove...