Example usage for java.math RoundingMode HALF_EVEN

List of usage examples for java.math RoundingMode HALF_EVEN

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Introduction

In this page you can find the example usage for java.math RoundingMode HALF_EVEN.

Prototype

RoundingMode HALF_EVEN

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Document

Rounding mode to round towards the "nearest neighbor" unless both neighbors are equidistant, in which case, round towards the even neighbor.

Usage

From source file:org.hoteia.qalingo.core.domain.CurrencyReferential.java

public NumberFormat getEcoCurrencyformat() {
    NumberFormat formatter = getStandardCurrencyformat();
    formatter.setGroupingUsed(true);// ww w .  j av a 2s. co m
    formatter.setParseIntegerOnly(false);
    formatter.setRoundingMode(RoundingMode.HALF_EVEN);

    formatter.setMaximumFractionDigits(2);
    formatter.setMinimumFractionDigits(2);

    formatter.setMaximumIntegerDigits(1000000);
    formatter.setMinimumIntegerDigits(1);
    return formatter;
}

From source file:com.ecrimebureau.File.Hash.java

private byte[] createChecksum(String filename, String algo) throws Exception {
    InputStream fis = new FileInputStream(filename);
    byte[] buffer = new byte[1024];
    int percentageCompleted;
    long totalbytes = 0;

    if (isDirectory == false) {
        totalbytes = new File(filename).length();
        jProgressBar.setMaximum(100);/*from  w ww  .  j a  v a 2s  .c  o  m*/
    }

    MessageDigest complete = MessageDigest.getInstance(algo); //One of the following "SHA-1", "SHA-256", "SHA-384", and "SHA-512"  
    int numRead;
    long readbyte = 0;
    do {
        numRead = fis.read(buffer);

        if (numRead > 0) {
            complete.update(buffer, 0, numRead);

            if (isDirectory == false) {

                DecimalFormat df = new DecimalFormat("0.00");
                df.setRoundingMode(RoundingMode.HALF_EVEN);
                String a = df.format(((readbyte += numRead) * 100.0) / (totalbytes * 2));
                percentageCompleted = (int) Math.round(Double.parseDouble(a));
                System.out.println(readbyte += numRead);

                int pervalue = percentageCompleted;
                if (!(pervalue > 100)) {
                    jProgressBar.setValue(percentageCompleted);
                    jProgressBar.setString(String.valueOf(percentageCompleted) + "%");

                } else {

                    jProgressBar.setValue(100);
                    jProgressBar.setString(100 + "%");
                }
                //                              
            }

        }
    } while (numRead != -1);
    fis.close();
    return complete.digest();
}

From source file:de.hybris.platform.b2bacceleratorservices.jalo.promotions.ProductPriceDiscountPromotionByPaymentType.java

@Override
public List<PromotionResult> evaluate(final SessionContext ctx, final PromotionEvaluationContext promoContext) {
    final List<PromotionResult> promotionResults = new ArrayList<PromotionResult>();
    // Find all valid products in the cart
    final PromotionsManager.RestrictionSetResult restrictionResult = this.findEligibleProductsInBasket(ctx,
            promoContext);//from www.j ava2  s .c  om

    if (restrictionResult.isAllowedToContinue() && !restrictionResult.getAllowedProducts().isEmpty()) {
        final PromotionOrderView view = promoContext.createView(ctx, this,
                restrictionResult.getAllowedProducts());
        final AbstractOrder order = promoContext.getOrder();

        for (final PromotionOrderEntry entry : view.getAllEntries(ctx)) {
            // Get the next order entry
            final long quantityToDiscount = entry.getQuantity(ctx);
            if (quantityToDiscount > 0) {
                final long quantityOfOrderEntry = entry.getBaseOrderEntry().getQuantity(ctx).longValue();

                // The adjustment to the order entry
                final double originalUnitPrice = entry.getBasePrice(ctx).doubleValue();
                final double originalEntryPrice = quantityToDiscount * originalUnitPrice;

                final Currency currency = promoContext.getOrder().getCurrency(ctx);
                Double discountPriceValue;

                final EnumerationValue paymentType = B2BAcceleratorServicesManager.getInstance()
                        .getPaymentType(ctx, order);

                if (paymentType != null
                        && StringUtils.equalsIgnoreCase(paymentType.getCode(), getPaymentType().getCode())) {
                    promoContext.startLoggingConsumed(this);
                    discountPriceValue = this.getPriceForOrder(ctx, this.getProductDiscountPrice(ctx),
                            promoContext.getOrder(),
                            ProductPriceDiscountPromotionByPaymentType.PRODUCTDISCOUNTPRICE);

                    final BigDecimal adjustedEntryPrice = Helper.roundCurrencyValue(ctx, currency,
                            originalEntryPrice - (quantityToDiscount * discountPriceValue.doubleValue()));
                    // Calculate the unit price and round it
                    final BigDecimal adjustedUnitPrice = Helper.roundCurrencyValue(ctx, currency,
                            adjustedEntryPrice.equals(BigDecimal.ZERO) ? BigDecimal.ZERO
                                    : adjustedEntryPrice.divide(BigDecimal.valueOf(quantityToDiscount),
                                            RoundingMode.HALF_EVEN));

                    for (final PromotionOrderEntryConsumed poec : view.consume(ctx, quantityToDiscount)) {
                        poec.setAdjustedUnitPrice(ctx, adjustedUnitPrice.doubleValue());
                    }

                    final PromotionResult result = PromotionsManager.getInstance().createPromotionResult(ctx,
                            this, promoContext.getOrder(), 1.0F);
                    result.setConsumedEntries(ctx, promoContext.finishLoggingAndGetConsumed(this, true));
                    final BigDecimal adjustment = Helper.roundCurrencyValue(ctx, currency,
                            adjustedEntryPrice.subtract(BigDecimal.valueOf(originalEntryPrice)));
                    final PromotionOrderEntryAdjustAction poeac = PromotionsManager.getInstance()
                            .createPromotionOrderEntryAdjustAction(ctx, entry.getBaseOrderEntry(),
                                    quantityOfOrderEntry, adjustment.doubleValue());
                    result.addAction(ctx, poeac);
                    promotionResults.add(result);
                }
            }
        }
        final long remainingCount = view.getTotalQuantity(ctx);
        if (remainingCount > 0) {
            promoContext.startLoggingConsumed(this);
            view.consume(ctx, remainingCount);
            final PromotionResult result = PromotionsManager.getInstance().createPromotionResult(ctx, this,
                    promoContext.getOrder(), 0.5F);
            result.setConsumedEntries(ctx, promoContext.finishLoggingAndGetConsumed(this, false));
            promotionResults.add(result);
        }
    }
    return promotionResults;
}

From source file:org.kuali.kpme.core.job.JobBo.java

public void setFte() {
    if (this.standardHours != null) {
        this.fte = this.standardHours.divide(new BigDecimal(40)).setScale(2, RoundingMode.HALF_EVEN);
    } else {/*from w  w  w  . ja  v a 2 s . c  o  m*/
        this.fte = new BigDecimal(0).setScale(2);
    }
}

From source file:org.renjin.primitives.MathExt.java

@Builtin
@Deferrable/*ww  w . j av a2 s  .  com*/
@DataParallel
public static double round(double x, int digits) {
    // adapted from the nmath library, fround.c

    double sign;
    int dig;

    if (Double.isNaN(x) || Double.isNaN(digits)) {
        return x + digits;
    }
    if (!DoubleVector.isFinite(x)) {
        return x;
    }

    if (digits == Double.POSITIVE_INFINITY) {
        return x;
    } else if (digits == Double.NEGATIVE_INFINITY) {
        return 0.0;
    }

    if (digits > MAX_DIGITS) {
        digits = MAX_DIGITS;
    }
    dig = (int) Math.floor(digits + 0.5);

    if (x < 0.) {
        sign = -1.;
        x = -x;
    } else {
        sign = 1.;
    }
    if (dig == 0) {
        return sign * Math.rint(x);
    } else if (dig > 0) {
        // round to a specific number of decimal places
        return sign * new BigDecimal(x).setScale(digits, RoundingMode.HALF_EVEN).doubleValue();
    } else {
        // round to the nearest power of 10
        double pow10 = Math.pow(10., -dig);
        return sign * Math.rint(x / pow10) * pow10;
    }
}

From source file:com.icoin.trading.tradeengine.domain.events.trade.TradeExecutedEvent.java

@Override
public int hashCode() {
    return new HashCodeBuilder().append(tradeAmount.toMoney(RoundingMode.HALF_EVEN))
            .append(tradedPrice.toMoney(RoundingMode.HALF_EVEN)).append(tradeType).append(buyOrderId)
            .append(sellOrderId).append(sellTransactionId).append(buyTransactionId).append(orderBookId)
            .append(coinId).build();//from   w ww  .  ja  v a  2 s.c om
}

From source file:com.icoin.trading.tradeengine.domain.events.trade.TradeExecutedEvent.java

@Override
public String toString() {
    return "TradeExecutedEvent{" + "tradeAmount=" + tradeAmount.toMoney(RoundingMode.HALF_EVEN)
            + ", tradedPrice=" + tradedPrice.toMoney(RoundingMode.HALF_EVEN) + ", buyOrderId='" + buyOrderId
            + '\'' + ", coinId=" + coinId + ", sellOrderId='" + sellOrderId + '\'' + ", buyTransactionId="
            + buyTransactionId + ", sellTransactionId=" + sellTransactionId + ", orderBookId=" + orderBookId
            + ", tradeTime=" + tradeTime + ", tradeType=" + tradeType + ", buyCommission="
            + buyCommission.toMoney(RoundingMode.HALF_EVEN) + ", sellCommission="
            + sellCommission.toMoney(RoundingMode.HALF_EVEN) + ", executedMoney="
            + executedMoney.toMoney(RoundingMode.HALF_EVEN) + '}';
}

From source file:org.wso2.emm.agent.api.DeviceState.java

/**
 * Returns the string formatted value for the size.
 *
 * @param byteValue - Memory in bytes./*from w w  w .java 2s .c o  m*/
 * @return - Memory formatted into GB.
 */
public double formatSizeInGb(double byteValue) {
    double gbValue = (byteValue / GB_DIVIDER);
    BigDecimal roundedValue = new BigDecimal(gbValue).setScale(SCALE, RoundingMode.HALF_EVEN);
    gbValue = roundedValue.doubleValue();

    return gbValue;
}

From source file:net.alexjf.tmm.fragments.MoneyNodeEditorFragment.java

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View v = inflater.inflate(R.layout.fragment_moneynode_editor, container, false);

    nameText = (EditText) v.findViewById(R.id.name_text);
    descriptionText = (EditText) v.findViewById(R.id.description_text);
    iconSelectorButton = (SelectorButton) v.findViewById(R.id.icon_selector);
    creationDateButton = (Button) v.findViewById(R.id.creationDate_button);
    initialBalanceText = (EditText) v.findViewById(R.id.initialBalance_text);
    currencySpinner = (Spinner) v.findViewById(R.id.currency_spinner);
    addButton = (Button) v.findViewById(R.id.add_button);

    initialBalanceText.setRawInputType(InputType.TYPE_CLASS_NUMBER);

    FragmentManager fm = getFragmentManager();
    datePicker = (DatePickerFragment) fm.findFragmentByTag(TAG_DATEPICKER);
    iconPicker = (IconPickerFragment) fm.findFragmentByTag(TAG_DRAWABLEPICKER);

    if (datePicker == null) {
        datePicker = new DatePickerFragment();
    }/*from   w  w  w .jav a 2  s .  c o m*/

    if (iconPicker == null) {
        iconPicker = new IconPickerFragment();
    }

    datePicker.setListener(this);
    iconPicker.setListener(this);

    creationDateButton.setOnClickListener(new OnClickListener() {
        public void onClick(View view) {
            try {
                datePicker.setDate(dateFormat.parse(creationDateButton.getText().toString()));
            } catch (ParseException e) {
            }
            datePicker.show(getFragmentManager(), TAG_DATEPICKER);
        }
    });

    iconSelectorButton.setOnClickListener(new OnClickListener() {
        public void onClick(View view) {
            iconPicker.show(getFragmentManager(), TAG_DRAWABLEPICKER);
        }
    });

    addButton.setOnClickListener(new OnClickListener() {
        public void onClick(View view) {
            if (!validateInputFields()) {
                return;
            }

            String name = nameText.getText().toString().trim();
            String description = descriptionText.getText().toString().trim();
            Date creationDate;
            try {
                creationDate = dateFormat.parse(creationDateButton.getText().toString());
            } catch (ParseException e) {
                creationDate = new Date();
            }

            CurrencyUnit currency = CurrencyUnit
                    .getInstance(currencySpinner.getSelectedItem().toString().trim());

            Money initialBalance;
            try {
                Calculable calc = new ExpressionBuilder(initialBalanceText.getText().toString()).build();
                initialBalance = Money.of(currency, calc.calculate(), RoundingMode.HALF_EVEN);
            } catch (Exception e) {
                initialBalance = Money.zero(currency);
            }

            if (node == null) {
                MoneyNode newNode = new MoneyNode(name, description, selectedDrawableName, creationDate,
                        initialBalance, currency);
                listener.onMoneyNodeCreated(newNode);
            } else {
                node.setName(name);
                node.setIcon(selectedDrawableName);
                node.setDescription(description);
                node.setCreationDate(creationDate);
                node.setInitialBalance(initialBalance);
                node.setCurrency(currency);
                listener.onMoneyNodeEdited(node);
            }
        }
    });

    if (savedInstanceState != null) {
        selectedDrawableName = savedInstanceState.getString(KEY_SELECTEDICON);
        int iconId = DrawableResolver.getInstance().getDrawableId(selectedDrawableName);
        iconSelectorButton.setDrawableId(iconId);
    }

    updateNodeFields();

    return v;
}

From source file:de.appsolve.padelcampus.utils.BookingUtil.java

public List<TimeSlot> getTimeSlotsForDate(LocalDate selectedDate, List<CalendarConfig> allCalendarConfigs,
        List<Booking> existingBookings, Boolean onlyFutureTimeSlots, Boolean preventOverlapping)
        throws CalendarConfigException {

    List<CalendarConfig> calendarConfigs = calendarConfigUtil.getCalendarConfigsMatchingDate(allCalendarConfigs,
            selectedDate);/*  w  w  w.  ja  va 2  s . c o m*/
    Iterator<CalendarConfig> iterator = calendarConfigs.iterator();
    while (iterator.hasNext()) {
        CalendarConfig calendarConfig = iterator.next();
        if (isHoliday(selectedDate, calendarConfig)) {
            iterator.remove();
        }
    }

    List<TimeSlot> timeSlots = new ArrayList<>();
    if (calendarConfigs.size() > 0) {
        LocalDate today = new LocalDate(DEFAULT_TIMEZONE);

        //sort all calendar configurations for selected date by start time
        Collections.sort(calendarConfigs);

        CalendarConfig previousConfig = null;
        LocalDateTime time = null;
        LocalDateTime now = new LocalDateTime(DEFAULT_TIMEZONE);

        //generate list of bookable time slots
        int i = 0;
        for (CalendarConfig config : calendarConfigs) {
            i++;
            LocalDateTime startDateTime = getLocalDateTime(selectedDate, config.getStartTime());
            if (time == null) {
                //on first iteration
                time = startDateTime;
            } else if (!time.plusMinutes(previousConfig.getMinInterval()).equals(startDateTime)) {
                //reset basePriceLastConfig as this is a non contiguous offer
                previousConfig = null;
                time = startDateTime;
            }
            LocalDateTime endDateTime = getLocalDateTime(selectedDate, config.getEndTime());
            while (time.plusMinutes(config.getMinDuration()).compareTo(endDateTime) <= 0) {
                BigDecimal pricePerMinDuration;
                if (previousConfig == null) {
                    pricePerMinDuration = config.getBasePrice();
                } else {
                    BigDecimal previousConfigBasePricePerMinute = getPricePerMinute(previousConfig);
                    pricePerMinDuration = previousConfigBasePricePerMinute
                            .multiply(new BigDecimal(previousConfig.getMinInterval()), MathContext.DECIMAL128);
                    BigDecimal basePricePerMinute = getPricePerMinute(config);
                    pricePerMinDuration = pricePerMinDuration.add(basePricePerMinute.multiply(
                            new BigDecimal(config.getMinDuration() - previousConfig.getMinInterval()),
                            MathContext.DECIMAL128));
                    previousConfig = null;
                }
                pricePerMinDuration = pricePerMinDuration.setScale(2, RoundingMode.HALF_EVEN);
                if (onlyFutureTimeSlots) {
                    if (selectedDate.isAfter(today) || time.isAfter(now)) {
                        addTimeSlot(timeSlots, time, config, pricePerMinDuration);
                    }
                } else {
                    addTimeSlot(timeSlots, time, config, pricePerMinDuration);
                }
                time = time.plusMinutes(config.getMinInterval());
            }
            //make sure to display the last min interval of the day
            if (config.getMinInterval() < config.getMinDuration() && i == calendarConfigs.size()) {
                if (time.plusMinutes(config.getMinInterval()).compareTo(endDateTime) <= 0) {
                    addTimeSlot(timeSlots, time, config, null);
                }
            }
            previousConfig = config;
        }
        //sort time slots by time
        Collections.sort(timeSlots);

        //decrease court count for every blocking booking
        for (TimeSlot timeSlot : timeSlots) {
            checkForBookedCourts(timeSlot, existingBookings, preventOverlapping);
        }
    }
    return timeSlots;
}