List of usage examples for com.google.common.math DoubleMath roundToInt
@GwtIncompatible("#roundIntermediate") public static int roundToInt(double x, RoundingMode mode)
From source file:org.eclipse.hawkbit.rest.util.FileStreamingUtil.java
private static long copyStreams(final InputStream from, final OutputStream to, final FileStreamingProgressListener progressListener, final long start, final long length, final String filename) throws IOException { final long startMillis = System.currentTimeMillis(); LOG.trace("Start of copy-streams of file {} from {} to {}", filename, start, length); Preconditions.checkNotNull(from);/*from w ww. j a va 2 s .c om*/ Preconditions.checkNotNull(to); final byte[] buf = new byte[BUFFER_SIZE]; long total = 0; int progressPercent = 1; ByteStreams.skipFully(from, start); long toRead = length; boolean toContinue = true; long shippedSinceLastEvent = 0; while (toContinue) { final int r = from.read(buf); if (r == -1) { break; } toRead -= r; if (toRead > 0) { to.write(buf, 0, r); total += r; shippedSinceLastEvent += r; } else { to.write(buf, 0, (int) toRead + r); total += toRead + r; shippedSinceLastEvent += toRead + r; toContinue = false; } if (progressListener != null) { final int newPercent = DoubleMath.roundToInt(total * 100.0 / length, RoundingMode.DOWN); // every 10 percent an event if (newPercent == 100 || newPercent > progressPercent + 10) { progressPercent = newPercent; progressListener.progress(length, shippedSinceLastEvent, total); shippedSinceLastEvent = 0; } } } final long totalTime = System.currentTimeMillis() - startMillis; if (total < length) { throw new FileStreamingFailedException(filename + ": " + (length - total) + " bytes could not be written to client, total time on write: !" + totalTime + " ms"); } LOG.trace("Finished copy-stream of file {} with length {} in {} ms", filename, length, totalTime); return total; }
From source file:com.github.rinde.datgen.pdptw.DatasetGenerator.java
Dataset<GeneratedScenario> doGenerate() {
final ListeningExecutorService service = MoreExecutors
.listeningDecorator(Executors.newFixedThreadPool(builder.numThreads));
final Dataset<GeneratedScenario> dataset = Dataset.naturalOrder();
final List<ScenarioCreator> jobs = new ArrayList<>();
final RandomGenerator rng = new MersenneTwister(builder.randomSeed);
final Map<GeneratorSettings, IdSeedGenerator> rngMap = new LinkedHashMap<>();
for (final Long urgency : builder.urgencyLevels) {
for (final Double scale : builder.scaleLevels) {
for (final Entry<TimeSeriesType, Collection<Range<Double>>> dynLevel : builder.dynamismLevels
.asMap().entrySet()) {
final int reps = builder.numInstances * dynLevel.getValue().size();
final long urg = urgency * 60 * 1000L;
// The office hours is the period in which new orders are accepted,
// it is defined as [0,officeHoursLength).
final long officeHoursLength;
if (urg < halfDiagTT) {
officeHoursLength = builder.scenarioLengthMs - twoDiagTT - PICKUP_DURATION
- DELIVERY_DURATION;
} else {
officeHoursLength = builder.scenarioLengthMs - urg - oneAndHalfDiagTT - PICKUP_DURATION
- DELIVERY_DURATION;
}//from ww w.j a v a 2 s . c om
final int numOrders = DoubleMath.roundToInt(scale * numOrdersPerScale,
RoundingMode.UNNECESSARY);
final ImmutableMap.Builder<String, String> props = ImmutableMap.builder();
props.put("expected_num_orders", Integer.toString(numOrders));
props.put("pickup_duration", Long.toString(PICKUP_DURATION));
props.put("delivery_duration", Long.toString(DELIVERY_DURATION));
props.put("width_height", String.format("%1.1fx%1.1f", AREA_WIDTH, AREA_WIDTH));
// TODO store this in TimeSeriesType?
final RangeSet<Double> rset = TreeRangeSet.create();
for (final Range<Double> r : dynLevel.getValue()) {
rset.add(r);
}
// createTimeSeriesGenerator(dynLevel.getKey(), officeHoursLength,
// numOrders, numOrdersPerScale, props);
final GeneratorSettings set = GeneratorSettings.builder().setDayLength(builder.scenarioLengthMs)
.setOfficeHours(officeHoursLength).setTimeSeriesType(dynLevel.getKey())
.setDynamismRangeCenters(builder.dynamismRangeMap.subRangeMap(rset.span()))
.setUrgency(urg).setScale(scale).setNumOrders(numOrders).setProperties(props.build())
.build();
final IdSeedGenerator isg = new IdSeedGenerator(rng.nextLong());
rngMap.put(set, isg);
for (int i = 0; i < reps; i++) {
final LocationGenerator lg = Locations.builder().min(0d).max(AREA_WIDTH).buildUniform();
final TimeSeriesGenerator tsg2 = createTimeSeriesGenerator(dynLevel.getKey(),
officeHoursLength, numOrders, numOrdersPerScale,
ImmutableMap.<String, String>builder());
final ScenarioGenerator gen = createGenerator(officeHoursLength, urg, scale, tsg2,
set.getDynamismRangeCenters(), lg, builder, numOrdersPerScale);
jobs.add(ScenarioCreator.create(isg.next(), set, gen));
}
}
}
}
final AtomicLong currentJobs = new AtomicLong(0L);
final AtomicLong datasetSize = new AtomicLong(0L);
LOGGER.info(" - Submitting " + jobs.size() + " Jobs");
for (final ScenarioCreator job : jobs) {
submitJob(currentJobs, service, job, builder.numInstances, dataset, rngMap, datasetSize);
}
final long targetSize = builder.numInstances * builder.dynamismLevels.values().size()
* builder.scaleLevels.size() * builder.urgencyLevels.size();
while (datasetSize.get() < targetSize || dataset.size() < targetSize) {
try {
// LOGGER.info(" - Waiting, current size ==" + dataset.size());
Thread.sleep(THREAD_SLEEP_DURATION);
} catch (final InterruptedException e) {
throw new IllegalStateException(e);
}
}
LOGGER.info(" - Shutdown Service, Awaiting Termination");
service.shutdown();
try {
service.awaitTermination(1L, TimeUnit.HOURS);
} catch (final InterruptedException e) {
throw new IllegalStateException(e);
}
LOGGER.info(" - Returning dataset");
return dataset;
}
From source file:org.apache.gobblin.salesforce.SalesforceSource.java
/** * Compute the target partition size.//from w w w . jav a2 s .c o m */ private int computeTargetPartitionSize(Histogram histogram, int minTargetPartitionSize, int maxPartitions) { return Math.max(minTargetPartitionSize, DoubleMath.roundToInt((double) histogram.totalRecordCount / maxPartitions, RoundingMode.CEILING)); }
From source file:org.sleuthkit.autopsy.timeline.ui.listvew.ListTimeline.java
/** * Scroll the table to the given index (if it is not already visible). * * @param index The index of the item that should be scrolled in to view. *///from w w w. j a v a 2s.c o m private void scrollTo(Integer index) { if (visibleEvents.contains(table.getItems().get(index)) == false) { table.scrollTo(DoubleMath.roundToInt(index - ((table.getHeight() / DEFAULT_ROW_HEIGHT)) / 2, RoundingMode.HALF_EVEN)); } }
From source file:com.github.rinde.rinsim.central.arrays.ArraysSolvers.java
static int computeRoundedTravelTime(Measure<Double, Velocity> speed, Measure<Double, Length> dist, Unit<Duration> outputTimeUnit) { return DoubleMath.roundToInt(RoadModels.computeTravelTime(speed, dist, outputTimeUnit), RoundingMode.CEILING); }
From source file:com.github.rinde.rinsim.central.arrays.ArraysSolvers.java
static int[] toRemainingServiceTimes(GlobalStateObject state, Unit<Duration> outputTimeUnit) { final UnmodifiableIterator<VehicleStateObject> iterator = state.getVehicles().iterator(); final int[] remainingServiceTimes = new int[state.getVehicles().size()]; for (int i = 0; i < state.getVehicles().size(); i++) { remainingServiceTimes[i] = DoubleMath .roundToInt(Measure.valueOf(iterator.next().getRemainingServiceTime(), state.getTimeUnit()) .doubleValue(outputTimeUnit), RoundingMode.CEILING); }//w w w . j ava 2 s . c o m return remainingServiceTimes; }
From source file:com.github.rinde.rinsim.central.arrays.ArraysSolvers.java
static int fixTWstart(long start, long time, UnitConverter timeConverter) { return DoubleMath.roundToInt(timeConverter.convert(start - time), RoundingMode.CEILING); }
From source file:com.github.rinde.rinsim.central.arrays.ArraysSolvers.java
static int fixTWend(long end, long time, UnitConverter timeConverter) { return DoubleMath.roundToInt(timeConverter.convert(end - time), RoundingMode.FLOOR); }
From source file:com.github.rinde.datgen.pdptw.DatasetGenerator.java
static ScenarioGenerator createGenerator(final long officeHours, long urgency, double scale, TimeSeriesGenerator tsg, final ImmutableRangeMap<Double, Double> dynamismRangeCenters, LocationGenerator lg, Builder b, int numOrdersPerScale) { final ScenarioGenerator.Builder builder = ScenarioGenerator.builder(); ModelBuilder<? extends RoadModel, ? extends RoadUser> roadModelBuilder; DepotGenerator depotBuilder;//from w w w . j a v a 2 s .com VehicleGenerator vehicleBuilder; final List<DynamicSpeeds.Builder> dynamicSpeedsBuilders = new ArrayList<>(); for (int i = 0; i < b.numberOfShockwaves.size(); i++) { dynamicSpeedsBuilders.add(DynamicSpeeds.builder()); } if (!b.graphSup.isPresent()) { roadModelBuilder = RoadModelBuilders.plane().withMaxSpeed(VEHICLE_SPEED_KMH) .withSpeedUnit(NonSI.KILOMETERS_PER_HOUR).withDistanceUnit(SI.KILOMETER); depotBuilder = Depots.singleCenteredDepot(); vehicleBuilder = Vehicles.builder().capacities(constant(1)).centeredStartPositions() .creationTimes(constant(-1L)) .numberOfVehicles( constant(DoubleMath.roundToInt(VEHICLES_PER_SCALE * scale, RoundingMode.UNNECESSARY))) .speeds(constant(VEHICLE_SPEED_KMH)).timeWindowsAsScenario().build(); } else { final Point startingLocation = getCenterMostPoint(b.graphSup.get().get()); if (b.cacheSup.isPresent() || b.cachePath.isPresent()) { roadModelBuilder = CachedDynamicGraphRoadModel .builder( ListenableGraph .supplier((Supplier<? extends Graph<MultiAttributeData>>) b.graphSup.get()), null, b.cachePath.get()) .withSpeedUnit(NonSI.KILOMETERS_PER_HOUR).withDistanceUnit(SI.KILOMETER) .withModificationCheck(false); } else { roadModelBuilder = RoadModelBuilders .dynamicGraph(ListenableGraph .supplier((Supplier<? extends Graph<MultiAttributeData>>) b.graphSup.get())) .withSpeedUnit(NonSI.KILOMETERS_PER_HOUR).withDistanceUnit(SI.KILOMETER) .withModificationCheck(false); } depotBuilder = Depots.builder().positions(StochasticSuppliers.constant(startingLocation)).build(); vehicleBuilder = Vehicles.builder().capacities(constant(1)) .startPositions(StochasticSuppliers.constant(startingLocation)).creationTimes(constant(-1L)) .numberOfVehicles( constant(DoubleMath.roundToInt(VEHICLES_PER_SCALE * scale, RoundingMode.UNNECESSARY))) .speeds(constant(VEHICLE_SPEED_KMH)).timeWindowsAsScenario().build(); // dynamic speed events for (int i = 0; i < dynamicSpeedsBuilders.size(); i++) { final DynamicSpeeds.Builder dynamicSpeedsBuilder = dynamicSpeedsBuilders.get(i); dynamicSpeedsBuilder.withGraph((Graph<MultiAttributeData>) b.graphSup.get().get()) .creationTimes(constant(-1L)).randomStartConnections() .shockwaveWaitForRecedeDurations(constant(b.scenarioLengthMs / 2)) .numberOfShockwaves(StochasticSuppliers.constant(b.numberOfShockwaves.get(i))); if (b.shockwaveDurations.isPresent()) { dynamicSpeedsBuilder.shockwaveWaitForRecedeDurations(b.shockwaveDurations.get().get(i)); } if (b.shockwaveBehaviours.isPresent()) { dynamicSpeedsBuilder.shockwaveBehaviour(b.shockwaveBehaviours.get().get(i)); } if (b.shockwaveExpandingSpeeds.isPresent()) { dynamicSpeedsBuilder.shockwaveExpandingSpeed(b.shockwaveExpandingSpeeds.get().get(i)); } if (b.shockwaveRecedingSpeeds.isPresent()) { dynamicSpeedsBuilder.shockwaveRecedingSpeed(b.shockwaveRecedingSpeeds.get().get(i)); } if (b.shockwaveCreationTimes.isPresent()) { dynamicSpeedsBuilder.creationTimes(b.shockwaveCreationTimes.get().get(i)); } } ImmutableList<DynamicSpeedGenerator> dsg; if (b.numberOfShockwaves.isEmpty()) { dsg = (ImmutableList<DynamicSpeedGenerator>) DynamicSpeeds.zeroEvents(); } else { final List<DynamicSpeedGenerator> dsgList = new ArrayList<>(); for (final DynamicSpeeds.Builder dsb : dynamicSpeedsBuilders) { dsgList.add(dsb.build()); } dsg = ImmutableList.copyOf(dsgList); } builder.dynamicSpeedGenerators(dsg); } builder // global .addModel(TimeModel.builder().withRealTime().withStartInClockMode(ClockMode.SIMULATED) .withTickLength(TICK_SIZE).withTimeUnit(SI.MILLI(SI.SECOND))) .scenarioLength(b.scenarioLengthMs) .setStopCondition(StopConditions.and(StatsStopConditions.vehiclesDoneAndBackAtDepot(), StatsStopConditions.timeOutEvent())) // parcels .parcels( Parcels.builder() .announceTimes(TimeSeries.filter( TimeSeries.filter(tsg, TimeSeries.numEventsPredicate(DoubleMath.roundToInt( numOrdersPerScale * scale, RoundingMode.UNNECESSARY))), new Predicate<List<Double>>() { @Override public boolean apply(@Nullable List<Double> input) { final double dynamism = Metrics .measureDynamism(verifyNotNull(input), officeHours); final boolean isInBin = dynamismRangeCenters.get(dynamism) != null; if (isInBin) { System.out.println("Dynamism " + dynamism + " is in bin!"); } return isInBin; } })) .pickupDurations(constant(PICKUP_DURATION)) .deliveryDurations(constant(DELIVERY_DURATION)).neededCapacities(constant(0)) .locations(lg).withGraph(b.graphSup) .timeWindows(new CustomTimeWindowGenerator(urgency)).build()) // vehicles .vehicles(vehicleBuilder) // depots .depots(depotBuilder); // models builder.addModel(PDPDynamicGraphRoadModel .builderForDynamicGraphRm( (ModelBuilder<? extends DynamicGraphRoadModel, ? extends RoadUser>) roadModelBuilder) .withAllowVehicleDiversion(true)); builder.addModel(DefaultPDPModel.builder().withTimeWindowPolicy(TimeWindowPolicies.TARDY_ALLOWED)); return builder.build(); }
From source file:org.smartdeveloperhub.harvesters.it.testing.generator.ProjectActivityGenerator.java
private Duration estimateEffort(final LocalDateTime start, final LocalDateTime dueTo) { final Days daysBetween = Days.daysBetween(start, dueTo); int workingDays = 0; for (int i = 0; i < daysBetween.getDays(); i++) { if (Utils.isWorkingDay(start.toLocalDate().plusDays(i))) { workingDays++;/*from www.ja va2 s . c om*/ } } final int maxMinutes = workingDays * this.workDay.effortPerDay(); final double ratio = (100 + this.random.nextInt(900)) / 1000d; Duration result = Duration.standardMinutes( 33 * maxMinutes / 100 + DoubleMath.roundToInt(67 * maxMinutes / 100 * ratio, RoundingMode.CEILING)); if (result.isShorterThan(MINIMUM_EFFORT)) { result = MINIMUM_EFFORT; } return result; }