Example usage for java.math BigDecimal multiply

Introduction

In this page you can find the example usage for java.math BigDecimal multiply.

Prototype

public BigDecimal multiply(BigDecimal multiplicand) 

Source Link

Document

Returns a BigDecimal whose value is (this × multiplicand), and whose scale is (this.scale() + multiplicand.scale()) .

Usage

From source file:egovframework.rte.fdl.idgnr.impl.EgovUUIdGnrService.java

/**
 * BigDecimal ? ? //from  ww w .j  a va 2s. com
 * @return BigDecimal  ID
 * @throws FdlException
 *         ? ??  
 */
public BigDecimal getNextBigDecimalId() throws FdlException {
    String newId = getNextStringId();
    byte[] bytes = newId.getBytes(); // get 16
    // bytes
    BigDecimal bd = new BigDecimal(0);

    for (int i = 0; i < bytes.length; i++) {
        bd = bd.multiply(new BigDecimal(256));
        bd = bd.add(new BigDecimal(((int) bytes[i]) & 0xFF));
    }

    return bd;
}

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From source file:org.egov.ptis.actions.citizen.collection.CollectionAction.java

/**
 * @return/*  w  w  w .  j a  v  a  2  s.  c o m*/
 */
@Action(value = "/collection-generateBill")
public String generateBill() {
    if (LOGGER.isDebugEnabled())
        LOGGER.debug("Entered method generatePropertyTaxBill, assessment Number: " + assessmentNumber);

    if (LOGGER.isDebugEnabled())
        LOGGER.debug("generatePropertyTaxBill : BasicProperty :" + basicProperty);
    final Map<String, BigDecimal> demandCollMap = propertyTaxUtil
            .getDemandAndCollection(basicProperty.getProperty());
    final BigDecimal currDue = demandCollMap.get(CURR_DMD_STR).subtract(demandCollMap.get(CURR_COLL_STR));
    final BigDecimal arrDue = demandCollMap.get(ARR_DMD_STR).subtract(demandCollMap.get(ARR_COLL_STR));
    /*
     * Advance collection should also be considered for full payment validation. 
     * Current year second installment demand will be the demand for all the advance installments
     */
    BigDecimal advanceCollected = demandCollMap.get(ADVANCE_COLLECTION_STR);
    BigDecimal secondHalfTax = demandCollMap.get(CURR_SECONDHALF_DMD_STR);
    BigDecimal actualAdvanceToBeCollected = secondHalfTax.multiply(new BigDecimal(MAX_ADVANCES_ALLOWED));
    BigDecimal advanceBalance = actualAdvanceToBeCollected.subtract(advanceCollected);

    if (currDue.compareTo(BigDecimal.ZERO) <= 0 && arrDue.compareTo(BigDecimal.ZERO) <= 0
            && advanceBalance.compareTo(BigDecimal.ZERO) <= 0)
        return RESULT_TAXPAID;

    if (OWNERSHIP_TYPE_VAC_LAND
            .equals(basicProperty.getProperty().getPropertyDetail().getPropertyTypeMaster().getCode())) {
        propertyTaxBillable.setVacantLandTaxPayment(Boolean.TRUE);
    }
    propertyTaxBillable.setBasicProperty(basicProperty);
    propertyTaxBillable.setLevyPenalty(true);
    propertyTaxBillable.setReferenceNumber(propertyTaxNumberGenerator
            .generateBillNumber(basicProperty.getPropertyID().getWard().getBoundaryNum().toString()));
    propertyTaxBillable.setBillType(propertyTaxUtil.getBillTypeByCode(BILLTYPE_AUTO));
    try {
        collectXML = URLEncoder.encode(ptBillServiceImpl.getBillXML(propertyTaxBillable), "UTF-8");
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException(e.getMessage());
    }
    if (LOGGER.isDebugEnabled())
        LOGGER.info("Exiting method generatePropertyTaxBill, collectXML: " + collectXML);

    return RESULT_COLLECTTAX;
}

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From source file:org.libreplan.business.planner.entities.SigmoidFunction.java

private BigDecimal[] generatePointValuesForDays(int days) {
    final BigDecimal dayIntervalConstant = getDayIntervalConstant(days);

    BigDecimal[] result = new BigDecimal[days];
    for (int i = 0; i < days; i++) {
        result[i] = BigDecimal.valueOf(-6).add(dayIntervalConstant.multiply(BigDecimal.valueOf(i)));
    }/*from  w ww  . j  a v  a 2 s .  c  om*/
    return result;
}

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From source file:io.silverware.microservices.monitoring.MetricsManager.java

/**
 * Method responsible for adding new time to values collection and also updating min, max, avg and count metrics.
 *
 * @param elapsedTime/*from   ww  w .  j a  v  a  2 s  . c  om*/
 *       runtime of microservice method.
 */
public void addTime(BigDecimal elapsedTime) {

    if (elapsedTime.compareTo(BigDecimal.ZERO) <= 0) {
        throw new IllegalArgumentException("Elapsed time is negative or zero");
    }

    mapValues.put(longAdder.longValue(), elapsedTime);

    longAdder.increment();

    final BigDecimal count = new BigDecimal(metrics.getCount());
    final BigDecimal averageTime = metrics.getAverageTime();
    final BigDecimal minTime = metrics.getMinTime();
    final BigDecimal maxTime = metrics.getMaxTime();

    metrics.incrementCount();

    metrics.setAverageTime((averageTime.multiply(count).add(elapsedTime)).divide(count.add(BigDecimal.ONE),
            BigDecimal.ROUND_HALF_UP));

    if (elapsedTime.compareTo(maxTime) >= 1) {
        metrics.setMaxTime(elapsedTime);
    } else {
        metrics.setMinTime(elapsedTime);
    }
}

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From source file:at.uni_salzburg.cs.ckgroup.cscpp.mapper.PolygonZone.java

public PolarCoordinate getCenterOfGravity() {
    BigDecimal x = new BigDecimal(0), y = new BigDecimal(0);
    BigDecimal doubleArea = new BigDecimal(0);

    for (int k = 0, l = vertices.length - 1; k < l; ++k) {
        BigDecimal ax = new BigDecimal(vertices[k].x);
        BigDecimal ay = new BigDecimal(vertices[k].y);
        BigDecimal bx = new BigDecimal(vertices[k + 1].x);
        BigDecimal by = new BigDecimal(vertices[k + 1].y);
        BigDecimal t = ax.multiply(by).subtract(bx.multiply(ay));
        x = x.add(ax.add(bx).multiply(t));
        y = y.add(ay.add(by).multiply(t));
        doubleArea = doubleArea.add(ax.multiply(by).subtract(bx.multiply(ay)));
    }//from  ww w . j av a 2 s  .  c om

    double sixTimesArea = 3.0 * doubleArea.doubleValue();
    return new PolarCoordinate(x.doubleValue() / sixTimesArea, y.doubleValue() / sixTimesArea, 0);
}

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From source file:org.marketcetera.core.position.impl.PositionMetricsCalculatorImpl.java

/**
 * Processes a position close, updating realized P&L and the unrealized cost
 * //from  w ww  . j  a  va2  s  .  co  m
 * @param quantity
 *            the quantity being closed, negative when closing a long position and positive when
 *            closing a short position
 * @param openPrice
 *            the price at which the position was opened
 * @param closePrice
 *            the price at which the position is closing
 */
private void processClose(final BigDecimal quantity, final BigDecimal openPrice, final BigDecimal closePrice) {
    // subtract closePrice from openPrice since quantity has opposite sign
    // more readable may be:
    // quantity.negate().multiply(closePrice.subtract(openPrice))
    mRealizedPL = mRealizedPL.add(quantity.multiply(openPrice.subtract(closePrice)));
    mUnrealizedCost.add(quantity, openPrice);
}

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From source file:com.trenako.entities.Scale.java

/**
 * Sets the {@code Scale} ratio from a {@link java.math.BigDecimal}
 * value.//from  www  .  j av a 2 s . com
 *
 * @param ratio the {@code Scale} ratio
 */
public void setRatio(BigDecimal ratio) {
    this.ratio = ratio.multiply(RATIO_FACTOR).intValue();
}

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From source file:org.kuali.ole.select.document.web.struts.OleDisbursementVoucherAction.java

/**
 * This action executes an insert of a SourceAccountingLine into a document only after validating the accounting line and
 * checking any appropriate business rules.
 *
 * @param mapping/*w ww.j  a  va 2s. com*/
 * @param form
 * @param request
 * @param response
 * @return ActionForward
 * @throws Exception
 */
@Override
public ActionForward insertSourceLine(ActionMapping mapping, ActionForm form, HttpServletRequest request,
        HttpServletResponse response) throws Exception {
    OleDisbursementVoucherForm disbursementVoucherForm = (OleDisbursementVoucherForm) form;
    OleDisbursementVoucherDocument disbursementDocument = disbursementVoucherForm
            .getDisbursementVoucherDocument();
    OleDisbursementVoucherAccountingLine line = (OleDisbursementVoucherAccountingLine) disbursementVoucherForm
            .getNewSourceLine();
    KualiDecimal totalAmount = disbursementDocument.getDisbVchrCheckTotalAmount();
    if ((totalAmount != null) && KualiDecimal.ZERO.compareTo(totalAmount) != 0) {
        if (ObjectUtils.isNotNull(line.getAccountLinePercent())) {
            BigDecimal pct = new BigDecimal(line.getAccountLinePercent().toString())
                    .divide(new BigDecimal(100));
            line.setAmount(new KualiDecimal(pct.multiply(new BigDecimal(totalAmount.toString()))
                    .setScale(KualiDecimal.SCALE, KualiDecimal.ROUND_BEHAVIOR)));
        } else if (ObjectUtils.isNotNull(line.getAmount())
                && ObjectUtils.isNull(line.getAccountLinePercent())) {
            KualiDecimal dollar = line.getAmount().multiply(new KualiDecimal(100));
            BigDecimal dollarToPercent = dollar.bigDecimalValue().divide((totalAmount.bigDecimalValue()), 0,
                    RoundingMode.FLOOR);
            line.setAccountLinePercent(dollarToPercent);
        }
    }
    return super.insertSourceLine(mapping, disbursementVoucherForm, request, response);
}

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From source file:com.autentia.tnt.businessobject.Project.java

public BigDecimal getTotalCost() {
    BigDecimal ret = new BigDecimal(0);

    if (getCosts() != null) {
        for (ProjectCost cost : getCosts()) {
            BigDecimal c = cost.getCost();
            if (c != null) {
                ret = ret.add(c);//from w ww  . jav  a 2 s .c  om
            }
        }
    }
    if (getRoles() != null) {
        for (ProjectRole role : getRoles()) {
            BigDecimal cph = role.getCostPerHour();
            if (cph != null) {
                BigDecimal eh = new BigDecimal(role.getExpectedHours());
                ret = ret.add(cph.multiply(eh));
            }
        }
    }

    return ret;
}

---

From source file:org.kuali.ole.select.document.web.struts.OleDisbursementVoucherAction.java

private void updateAccountAmountsWithTotal(List<OleDisbursementVoucherAccountingLine> sourceAccountingLines,
        KualiDecimal totalAmount) {//from  w w w . j a v  a2 s  .c o m
    if ((totalAmount != null) && KualiDecimal.ZERO.compareTo(totalAmount) != 0) {

        KualiDecimal accountTotal = KualiDecimal.ZERO;
        OleDisbursementVoucherAccountingLine lastAccount = null;

        for (OleDisbursementVoucherAccountingLine account : sourceAccountingLines) {
            if (ObjectUtils.isNotNull(account.getAccountLinePercent())) {
                BigDecimal pct = new BigDecimal(account.getAccountLinePercent().toString())
                        .divide(new BigDecimal(100));
                account.setAmount(new KualiDecimal(pct.multiply(new BigDecimal(totalAmount.toString()))
                        .setScale(KualiDecimal.SCALE, KualiDecimal.ROUND_BEHAVIOR)));
            } else if (ObjectUtils.isNotNull(account.getAmount())
                    && ObjectUtils.isNull(account.getAccountLinePercent())) {
                KualiDecimal dollar = account.getAmount().multiply(new KualiDecimal(100));
                BigDecimal dollarToPercent = dollar.bigDecimalValue().divide((totalAmount.bigDecimalValue()), 0,
                        RoundingMode.FLOOR);
                account.setAccountLinePercent(dollarToPercent);
            }
            accountTotal = accountTotal.add(account.getAmount());
            lastAccount = account;
        }
    }
}

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