Example usage for java.math MathContext MathContext

Introduction

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

Prototype

public MathContext(int setPrecision, RoundingMode setRoundingMode) 

Source Link

Document

Constructs a new MathContext with a specified precision and rounding mode.

Usage

From source file:org.libreplan.business.orders.daos.OrderElementDAO.java

private BigDecimal average(BigDecimal divisor, BigDecimal sum) {
    BigDecimal average = new BigDecimal(0);
    if (sum.compareTo(new BigDecimal(0)) > 0) {
        average = sum.divide(divisor, new MathContext(2, RoundingMode.HALF_UP));
    }/* w  ww  .  jav a 2 s  .c  om*/
    return average;
}

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From source file:com.globocom.grou.report.ts.opentsdb.OpenTSDBClient.java

private double formatValue(double value) {
    try {/*ww  w  .  j  a  v  a 2 s. c o  m*/
        return BigDecimal.valueOf(value).round(new MathContext(4, RoundingMode.HALF_UP)).doubleValue();
    } catch (NumberFormatException ignore) {
        return BigDecimal.valueOf(0d).round(new MathContext(4, RoundingMode.HALF_UP)).doubleValue();
    }
}

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From source file:net.mikaboshi.intra_mart.tools.log_stats.formatter.TemplateFileReportFormatter.java

/**
 * ??URL??N?//  www.jav  a 2s .  c  o m
 * @param report
 * @param rootMap
 */
private void setRequestUrlRank(Report report, Map<String, Object> rootMap) {

    Map<String, Object> requestUrlRank = new HashMap<String, Object>();
    rootMap.put("requestUrlRank", requestUrlRank);

    List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
    requestUrlRank.put("list", list);

    List<RequestUrlReportEntry> reportList = report.getRequestUrlReportList();

    requestUrlRank.put("size", report.getParameter().getRequestUrlRankSize());
    requestUrlRank.put("total", reportList.size());

    MathContext percentMathContext = new MathContext(2, RoundingMode.HALF_UP);

    int i = 0;

    for (RequestUrlReportEntry entry : reportList) {

        if (++i > report.getParameter().getRequestUrlRankSize()) {
            break;
        }

        Map<String, Object> row = new HashMap<String, Object>();
        list.add(row);

        row.put("url", entry.url);
        row.put("count", entry.count);
        row.put("pageTimeSum", entry.pageTimeSum);
        row.put("pageTimeAverage", entry.pageTimeAverage);
        row.put("pageTimeMin", entry.pageTimeMin);
        row.put("pageTimeMedian", entry.pageTimeMedian);
        row.put("pageTime90Percent", entry.pageTime90Percent);
        row.put("pageTimeMax", entry.pageTimeMax);
        row.put("pageTimeStandardDeviation", entry.pageTimeStandardDeviation);
        row.put("countRate", new BigDecimal(entry.countRate * 100, percentMathContext).doubleValue());
        row.put("pageTimeRate", new BigDecimal(entry.pageTimeRate * 100, percentMathContext).doubleValue());

        if (reportParameter.isJsspPath()) {
            row.put("jsspPath", getJsspPath(entry.url));
        }
    }
}

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From source file:net.mikaboshi.intra_mart.tools.log_stats.formatter.TemplateFileReportFormatter.java

/**
 * ????N?/*from  w w  w  .ja v  a  2s.c  om*/
 * @param report
 * @param rootMap
 */
private void setSessionRank(Report report, Map<String, Object> rootMap) {

    Map<String, Object> sessionRank = new HashMap<String, Object>();
    rootMap.put("sessionRank", sessionRank);

    List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
    sessionRank.put("list", list);

    List<SessionReportEntry> reportList = report.getSessionReportList();

    sessionRank.put("size", report.getParameter().getSessionRankSize());
    sessionRank.put("total", reportList.size());

    MathContext percentMathContext = new MathContext(2, RoundingMode.HALF_UP);

    int i = 0;

    for (SessionReportEntry entry : reportList) {

        if (++i > report.getParameter().getSessionRankSize()) {
            break;
        }

        Map<String, Object> row = new HashMap<String, Object>();
        list.add(row);

        row.put("sessionId", entry.sessionId);
        row.put("userId", report.getUserIdFromSessionId(entry.sessionId, ""));
        row.put("count", entry.count);
        row.put("pageTimeSum", entry.pageTimeSum);
        row.put("pageTimeAverage", entry.pageTimeAverage);
        row.put("pageTimeMin", entry.pageTimeMin);
        row.put("pageTimeMedian", entry.pageTimeMedian);
        row.put("pageTime90Percent", entry.pageTime90Percent);
        row.put("pageTimeMax", entry.pageTimeMax);
        row.put("pageTimeStandardDeviation", entry.pageTimeStandardDeviation);
        row.put("countRate", new BigDecimal(entry.countRate * 100, percentMathContext).doubleValue());
        row.put("pageTimeRate", new BigDecimal(entry.pageTimeRate * 100, percentMathContext).doubleValue());
        row.put("firstAccessTime", entry.firstAccessTime);
        row.put("lastAccessTime", entry.lastAccessTime);
    }
}

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From source file:org.gradoop.flink.model.impl.operators.aggregation.AggregationTest.java

@Test
public void testWithMixedTypePropertyValues() throws Exception {
    FlinkAsciiGraphLoader loader = getLoaderFromString(
            "g0[" + "(va {vp=0.5});" + "(vc {vp=1});" + "(va)-[ea {ep=2L}]->(vb);" + "(vb)-[eb {ep=2.0F}]->(vc)"
                    + "]" + "g1[" + "(va)-[ea]->(vb);" + "]" + "g2[]");

    GraphCollection inputCollection = loader.getGraphCollectionByVariables("g0", "g1", "g2");

    SumVertexProperty sumVertexProperty = new SumVertexProperty(VERTEX_PROPERTY);

    SumEdgeProperty sumEdgeProperty = new SumEdgeProperty(EDGE_PROPERTY);

    GraphCollection outputCollection = inputCollection.apply(new ApplyAggregation(sumVertexProperty))
            .apply(new ApplyAggregation(sumEdgeProperty));

    GradoopId g0Id = loader.getGraphHeadByVariable("g0").getId();
    GradoopId g1Id = loader.getGraphHeadByVariable("g1").getId();
    GradoopId g2Id = loader.getGraphHeadByVariable("g2").getId();

    List<GraphHead> graphHeads = outputCollection.getGraphHeads().collect();

    for (EPGMGraphHead graphHead : graphHeads) {
        assertTrue("edge sum not set", graphHead.hasProperty(sumEdgeProperty.getAggregatePropertyKey()));
        assertTrue("vertex sum not set", graphHead.hasProperty(sumVertexProperty.getAggregatePropertyKey()));

        PropertyValue vertexAggregate = graphHead.getPropertyValue(sumVertexProperty.getAggregatePropertyKey());

        PropertyValue edgeAggregate = graphHead.getPropertyValue(sumEdgeProperty.getAggregatePropertyKey());

        if (graphHead.getId().equals(g0Id)) {
            assertEquals(1.5d, vertexAggregate.getDouble(), 0.00001);
            assertEquals(new BigDecimal("4.0"),
                    edgeAggregate.getBigDecimal().round(new MathContext(2, RoundingMode.HALF_UP)));
        } else if (graphHead.getId().equals(g1Id)) {
            assertEquals(0.5f, vertexAggregate.getFloat(), 0.00001);
            assertEquals(2L, edgeAggregate.getLong());
        } else if (graphHead.getId().equals(g2Id)) {
            assertEquals(PropertyValue.NULL_VALUE, vertexAggregate);
            assertEquals(PropertyValue.NULL_VALUE, edgeAggregate);
        }//ww w.j  a v  a  2 s  .co  m
    }
}

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From source file:org.mifosplatform.portfolio.savings.service.SavingsAccountWritePlatformServiceJpaRepositoryImpl.java

@Transactional
@Override/*from w  ww . jav a  2s .  c  om*/
public CommandProcessingResult calculateInterest(final Long savingsId) {

    final SavingsAccount account = this.savingAccountAssembler.assembleFrom(savingsId);
    checkClientOrGroupActive(account);

    final LocalDate today = DateUtils.getLocalDateOfTenant();
    final MathContext mc = new MathContext(15, RoundingMode.HALF_EVEN);

    account.calculateInterestUsing(mc, today);

    this.savingAccountRepository.save(account);

    return new CommandProcessingResultBuilder() //
            .withEntityId(savingsId) //
            .withOfficeId(account.officeId()) //
            .withClientId(account.clientId()) //
            .withGroupId(account.groupId()) //
            .withSavingsId(savingsId) //
            .build();
}

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From source file:org.mifosplatform.portfolio.savings.service.SavingsAccountWritePlatformServiceJpaRepositoryImpl.java

@Transactional
private void postInterest(final SavingsAccount account) {
    final Set<Long> existingTransactionIds = new HashSet<Long>();
    final Set<Long> existingReversedTransactionIds = new HashSet<Long>();
    updateExistingTransactionsDetails(account, existingTransactionIds, existingReversedTransactionIds);
    final LocalDate today = DateUtils.getLocalDateOfTenant();
    final MathContext mc = new MathContext(10, RoundingMode.HALF_EVEN);

    account.postInterest(mc, today);/*from   w  w  w  . j  av a 2s.c o m*/
    this.savingAccountRepository.save(account);

    postJournalEntries(account, existingTransactionIds, existingReversedTransactionIds);
}

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From source file:org.mifosplatform.portfolio.savings.service.SavingsAccountWritePlatformServiceJpaRepositoryImpl.java

@Override
public CommandProcessingResult undoTransaction(final Long savingsId, final Long transactionId,
        final boolean allowAccountTransferModification) {

    final SavingsAccount account = this.savingAccountAssembler.assembleFrom(savingsId);
    final Set<Long> existingTransactionIds = new HashSet<Long>();
    final Set<Long> existingReversedTransactionIds = new HashSet<Long>();
    updateExistingTransactionsDetails(account, existingTransactionIds, existingReversedTransactionIds);

    final SavingsAccountTransaction savingsAccountTransaction = this.savingsAccountTransactionRepository
            .findOneByIdAndSavingsAccountId(transactionId, savingsId);
    if (savingsAccountTransaction == null) {
        throw new SavingsAccountTransactionNotFoundException(savingsId, transactionId);
    }/*w ww. java 2 s. co m*/

    if (!allowAccountTransferModification && this.accountTransfersReadPlatformService
            .isAccountTransfer(transactionId, PortfolioAccountType.SAVINGS)) {
        throw new PlatformServiceUnavailableException(
                "error.msg.saving.account.transfer.transaction.update.not.allowed",
                "Savings account transaction:" + transactionId
                        + " update not allowed as it involves in account transfer",
                transactionId);
    }

    final LocalDate today = DateUtils.getLocalDateOfTenant();
    final MathContext mc = new MathContext(15, RoundingMode.HALF_EVEN);

    if (account.isNotActive()) {
        throwValidationForActiveStatus(SavingsApiConstants.undoTransactionAction);
    }
    account.undoTransaction(transactionId);

    // undoing transaction is withdrawal then undo withdrawal fee
    // transaction if any
    if (savingsAccountTransaction.isWithdrawal()) {
        final SavingsAccountTransaction nextSavingsAccountTransaction = this.savingsAccountTransactionRepository
                .findOneByIdAndSavingsAccountId(transactionId + 1, savingsId);
        if (nextSavingsAccountTransaction != null
                && nextSavingsAccountTransaction.isWithdrawalFeeAndNotReversed()) {
            account.undoTransaction(transactionId + 1);
        }
    }

    checkClientOrGroupActive(account);
    if (savingsAccountTransaction.isPostInterestCalculationRequired()
            && account.isBeforeLastPostingPeriod(savingsAccountTransaction.transactionLocalDate())) {
        account.postInterest(mc, today);
    } else {
        account.calculateInterestUsing(mc, today);
    }
    account.validateAccountBalanceDoesNotBecomeNegative(SavingsApiConstants.undoTransactionAction);
    account.activateAccountBasedOnBalance();
    postJournalEntries(account, existingTransactionIds, existingReversedTransactionIds);

    return new CommandProcessingResultBuilder() //
            .withEntityId(savingsId) //
            .withOfficeId(account.officeId()) //
            .withClientId(account.clientId()) //
            .withGroupId(account.groupId()) //
            .withSavingsId(savingsId) //
            .build();
}

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From source file:org.mifosplatform.portfolio.savings.domain.SavingsAccountCharge.java

private BigDecimal percentageOf(final BigDecimal value, final BigDecimal percentage) {

    BigDecimal percentageOf = BigDecimal.ZERO;

    if (isGreaterThanZero(value)) {
        final MathContext mc = new MathContext(8, RoundingMode.HALF_EVEN);
        final BigDecimal multiplicand = percentage.divide(BigDecimal.valueOf(100l), mc);
        percentageOf = value.multiply(multiplicand, mc);
    }//from   w  w  w . j  ava2  s  .  c  o  m

    return percentageOf;
}

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From source file:com.gst.portfolio.savings.service.SavingsAccountWritePlatformServiceJpaRepositoryImpl.java

@Transactional
@Override/*from   w  w w  . j a va 2 s  . c  o  m*/
public CommandProcessingResult calculateInterest(final Long savingsId) {

    final boolean isSavingsInterestPostingAtCurrentPeriodEnd = this.configurationDomainService
            .isSavingsInterestPostingAtCurrentPeriodEnd();
    final Integer financialYearBeginningMonth = this.configurationDomainService
            .retrieveFinancialYearBeginningMonth();

    final SavingsAccount account = this.savingAccountAssembler.assembleFrom(savingsId);
    checkClientOrGroupActive(account);
    final LocalDate today = DateUtils.getLocalDateOfTenant();
    final MathContext mc = new MathContext(15, MoneyHelper.getRoundingMode());
    boolean isInterestTransfer = false;
    final LocalDate postInterestOnDate = null;
    account.calculateInterestUsing(mc, today, isInterestTransfer, isSavingsInterestPostingAtCurrentPeriodEnd,
            financialYearBeginningMonth, postInterestOnDate);

    this.savingAccountRepositoryWrapper.save(account);

    return new CommandProcessingResultBuilder() //
            .withEntityId(savingsId) //
            .withOfficeId(account.officeId()) //
            .withClientId(account.clientId()) //
            .withGroupId(account.groupId()) //
            .withSavingsId(savingsId) //
            .build();
}

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