Example usage for java.math BigDecimal longValue

Introduction

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

Prototype

@Override
public long longValue() 

Source Link

Document

Converts this BigDecimal to a long .

Usage

From source file:de.csdev.ebus.command.datatypes.std.AbstractEBusTypeUnsignedNumber.java

@Override
public byte[] encodeInt(Object data) throws EBusTypeException {

    BigDecimal b = NumberUtils.toBigDecimal(data == null ? 0 : data);
    long l = b.longValue() & Long.MAX_VALUE;

    int length = getTypeLength();
    byte[] result = new byte[length];
    for (int i = 0; i <= length - 1; i++) {
        result[i] = (byte) (l & 0xFF);
        l >>= 8;/*from   w  w w.  j  a va  2 s .  co m*/
    }

    return result;
}

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From source file:com.nortal.petit.core.dialect.OracleSqlDialect.java

@SuppressWarnings("unchecked")
@Override/*  w  w w . jav  a2s. c  om*/
public <B> B insertReturningId(JdbcOperations jdbcOperations, String sql, String idColumn,
        final Object... params) {
    final String actualSql = new StringBuilder("BEGIN ").append(sql)
            .append(" RETURNING " + idColumn + " INTO ?; END;").toString();
    try {
        return (B) jdbcOperations.execute(new CallableStatementCreator() {
            @Override
            public CallableStatement createCallableStatement(Connection con) throws SQLException {
                CallableStatement cs = con.prepareCall(actualSql);
                ArgPreparedStatementSetter.setValues(cs, params, 1);
                cs.registerOutParameter(params.length + 1, Types.DECIMAL);
                return cs;
            }
        }, new CallableStatementCallback<B>() {
            @Override
            public B doInCallableStatement(CallableStatement cs) throws SQLException, DataAccessException {
                cs.execute();
                BigDecimal bd = cs.getBigDecimal(params.length + 1);
                return (B) Long.valueOf(bd.longValue());
            }
        });
    } catch (RuntimeException e) {
        LOG.error("Error processing SQL '" + sql + "' with parameters: " + StringUtils.join(params, "; "));
        throw e;
    }
}

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From source file:py.una.pol.karaku.dao.entity.interceptors.BigDecimalInterceptor.java

@Override
public void intercept(Operation o, Field field, Object bean) {

    BigDecimal value = (BigDecimal) ReflectionUtils.getField(field, bean);
    if (value == null) {
        return;// w  w  w  .  j a va  2 s . c  om
    }
    if (value.longValue() < 1) {
        value = value.add(BigDecimal.ONE);
    }
    BigDecimal trailed = value.stripTrailingZeros();
    int precision = trailed.scale();
    if (precision > MAXIMUM_PRECISION) {
        throw new KarakuRuntimeException(
                String.format("Attribute '%s' of bean '%s' has a precision of {%d}, maximum allowed is {%d}",
                        field.getName(), bean.getClass().getSimpleName(), precision, MAXIMUM_PRECISION));
    }
}

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From source file:Main.java

/**
 * Compute e^x to a given scale./* w  w  w  .  jav a  2s.com*/
 * Break x into its whole and fraction parts and
 * compute (e^(1 + fraction/whole))^whole using Taylor's formula.
 * @param x the value of x
 * @param scale the desired scale of the result
 * @return the result value
 */
public static BigDecimal exp(BigDecimal x, int scale) {
    // e^0 = 1
    if (x.signum() == 0) {
        return BigDecimal.valueOf(1);
    }

    // If x is negative, return 1/(e^-x).
    else if (x.signum() == -1) {
        return BigDecimal.valueOf(1).divide(exp(x.negate(), scale), scale, BigDecimal.ROUND_HALF_EVEN);
    }

    // Compute the whole part of x.
    BigDecimal xWhole = x.setScale(0, BigDecimal.ROUND_DOWN);

    // If there isn't a whole part, compute and return e^x.
    if (xWhole.signum() == 0)
        return expTaylor(x, scale);

    // Compute the fraction part of x.
    BigDecimal xFraction = x.subtract(xWhole);

    // z = 1 + fraction/whole
    BigDecimal z = BigDecimal.valueOf(1).add(xFraction.divide(xWhole, scale, BigDecimal.ROUND_HALF_EVEN));

    // t = e^z
    BigDecimal t = expTaylor(z, scale);

    BigDecimal maxLong = BigDecimal.valueOf(Long.MAX_VALUE);
    BigDecimal result = BigDecimal.valueOf(1);

    // Compute and return t^whole using intPower().
    // If whole > Long.MAX_VALUE, then first compute products
    // of e^Long.MAX_VALUE.
    while (xWhole.compareTo(maxLong) >= 0) {
        result = result.multiply(intPower(t, Long.MAX_VALUE, scale)).setScale(scale,
                BigDecimal.ROUND_HALF_EVEN);
        xWhole = xWhole.subtract(maxLong);

        Thread.yield();
    }
    return result.multiply(intPower(t, xWhole.longValue(), scale)).setScale(scale, BigDecimal.ROUND_HALF_EVEN);
}

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From source file:com.sangupta.fileanalysis.db.DBResultViewer.java

private void format(BigDecimal bigDecimal, int size) {
    format(bigDecimal.longValue(), size);
}

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From source file:com.norconex.collector.http.data.store.impl.jdbc.JDBCCrawlDataSerializer.java

@Override
public ICrawlData toCrawlData(String table, ResultSet rs) throws SQLException {
    if (rs == null) {
        return null;
    }//from   www  .  j  a v  a  2  s .c  om
    HttpCrawlData data = new HttpCrawlData();
    data.setReference(rs.getString("reference"));
    data.setParentRootReference(rs.getString("parentRootReference"));
    data.setRootParentReference(rs.getBoolean("isRootParentReference"));
    data.setState(HttpCrawlState.valueOf(rs.getString("state")));
    data.setMetaChecksum(rs.getString("metaChecksum"));
    data.setDocumentChecksum(rs.getString("contentChecksum"));
    data.setDepth(rs.getInt("depth"));
    BigDecimal bigLM = rs.getBigDecimal("sitemapLastMod");
    if (bigLM != null) {
        data.setSitemapLastMod(bigLM.longValue());
    }
    BigDecimal bigP = rs.getBigDecimal("sitemapPriority");
    if (bigP != null) {
        data.setSitemapPriority(bigP.floatValue());
    }
    data.setSitemapChangeFreq(rs.getString("sitemapChangeFreq"));
    data.setReferrerReference(rs.getString("referrerReference"));
    data.setReferrerLinkTag(rs.getString("referrerLinkTag"));
    data.setReferrerLinkText(rs.getString("referrerLinkText"));
    data.setReferrerLinkTitle(rs.getString("referrerLinkTitle"));

    return data;
}

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From source file:org.apache.hadoop.hive.common.type.HiveIntervalDayTime.java

public void set(BigDecimal totalSecondsBd) {
    long totalSeconds = totalSecondsBd.longValue();
    BigDecimal fractionalSecs = totalSecondsBd.remainder(BigDecimal.ONE);
    int nanos = fractionalSecs.multiply(IntervalDayTimeUtils.NANOS_PER_SEC_BD).intValue();
    set(totalSeconds, nanos);/*ww  w. j  a  v a2s.  c  o m*/
}

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From source file:com.sangupta.murmur.MurmurEnglishTest.java

private boolean bigMatch(String actual, String computed) {
    // try with big decimal
    try {//  w w w. ja  v  a 2s . c o m
        BigDecimal in = new BigDecimal(actual);

        long x = in.longValue();
        if (computed.equals(String.valueOf(x))) {
            return true;
        }

        int y = in.intValue();
        if (computed.equals(String.valueOf(y))) {
            return true;
        }
    } catch (NumberFormatException e) {
        System.out.println("actual: " + actual);
        System.out.println("computed: " + computed);

        throw new RuntimeException("Failed");
    }

    return false;
}

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From source file:com.nec.harvest.bean.mapping.PurchaseBean.java

private long bigDecimalToDouble(BigDecimal decimal) {
    if (decimal == null) {
        return 0;
    }/*from   w  w w .j av  a2 s  . co  m*/
    return decimal.longValue();
}

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From source file:Main.java

/**
 * Compute e^x to a given scale. Break x into its whole and fraction parts
 * and compute (e^(1 + fraction/whole))^whole using Taylor's formula.
 * /*ww w  .  j a v  a2 s .  c  o m*/
 * @param x
 *            the value of x
 * @param scale
 *            the desired scale of the result
 * @return the result value
 */
public static BigDecimal exp(BigDecimal x, int scale) {
    // e^0 = 1
    if (x.signum() == 0) {
        return BigDecimal.valueOf(1);
    }

    // If x is negative, return 1/(e^-x).
    else if (x.signum() == -1) {
        return BigDecimal.valueOf(1).divide(exp(x.negate(), scale), scale, BigDecimal.ROUND_HALF_EVEN);
    }

    // Compute the whole part of x.
    BigDecimal xWhole = x.setScale(0, BigDecimal.ROUND_DOWN);

    // If there isn't a whole part, compute and return e^x.
    if (xWhole.signum() == 0) {
        return expTaylor(x, scale);
    }

    // Compute the fraction part of x.
    BigDecimal xFraction = x.subtract(xWhole);

    // z = 1 + fraction/whole
    BigDecimal z = BigDecimal.valueOf(1).add(xFraction.divide(xWhole, scale, BigDecimal.ROUND_HALF_EVEN));

    // t = e^z
    BigDecimal t = expTaylor(z, scale);

    BigDecimal maxLong = BigDecimal.valueOf(Long.MAX_VALUE);
    BigDecimal result = BigDecimal.valueOf(1);

    // Compute and return t^whole using intPower().
    // If whole > Long.MAX_VALUE, then first compute products
    // of e^Long.MAX_VALUE.
    while (xWhole.compareTo(maxLong) >= 0) {
        result = result.multiply(intPower(t, Long.MAX_VALUE, scale)).setScale(scale,
                BigDecimal.ROUND_HALF_EVEN);
        xWhole = xWhole.subtract(maxLong);

        Thread.yield();
    }
    return result.multiply(intPower(t, xWhole.longValue(), scale)).setScale(scale, BigDecimal.ROUND_HALF_EVEN);
}

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