Example usage for java.lang Double longValue

Introduction

In this page you can find the example usage for java.lang Double longValue.

Prototype

public long longValue() 

Source Link

Document

Returns the value of this Double as a long after a narrowing primitive conversion.

Usage

From source file:org.webcurator.core.harvester.coordinator.BandwidthCalculatorImpl.java

/**
 * Calculate the allocated bandwith for a list of target instances that have a 
 * no bandwidth percentage override set.
 * @param aResults he result list to populate
 * @param aStandardTIs the target instances to calaculate for
 * @param aRemainingBandwidth tha amount of bandwidth to split between these target instances
 *///from  w  w w.  j  av  a  2 s  .co  m
private static void processStandardTargetInstances(HashMap<Long, TargetInstance> aResults,
        ArrayList<TargetInstance> aStandardTIs, double aRemainingBandwidth) {
    if (aStandardTIs == null || aStandardTIs.isEmpty()) {
        return;
    }

    TargetInstance ti = null;
    Double allocatedbw = null;

    Iterator it = aStandardTIs.iterator();
    while (it.hasNext()) {
        ti = (TargetInstance) it.next();
        allocatedbw = new Double(aRemainingBandwidth / aStandardTIs.size());
        ti.setAllocatedBandwidth(new Long(allocatedbw.longValue()));
        aResults.put(ti.getOid(), ti);
    }
}

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From source file:de.iteratec.svg.SvgGraphicWriter.java

/**
 * Scales down the width used to set the size of a resulting raster image export.
 * The width is scaled down so that the product of width and height does not exceed
 * the value given by the RASTER_TRANSCODER_MAX_AREA. This is necessary, so that
 * image transcoding does not throw an exception and no heap space issues occur.
 * //from w  w  w  .  j  a  v a  2s  .  co m
 * @param width
 *    The original width of the SVG graphic.
 * @param height
 *    The original height of the SVG graphic.
 */
private static void setScaledImageTranscoderDimensions(ImageTranscoder transcoder, Double width,
        Double height) {
    if (width != null && height != null) {
        long scaledWidth = width.longValue();
        long scaledHeight = height.longValue();

        if (scaledHeight * scaledWidth > RASTER_TRANSCODER_MAX_AREA) {
            double aspectRatio = (double) scaledHeight / scaledWidth;
            while (scaledHeight * scaledWidth > RASTER_TRANSCODER_MAX_AREA) {
                scaledWidth = scaledWidth - RASTER_TRANSCODER_STEP;
                scaledHeight = (long) Math.ceil(scaledWidth * aspectRatio);
            }
        }

        transcoder.addTranscodingHint(PNGTranscoder.KEY_WIDTH, Float.valueOf(scaledWidth));
        transcoder.addTranscodingHint(PNGTranscoder.KEY_HEIGHT, Float.valueOf(scaledHeight));
    }
}

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From source file:org.webcurator.core.harvester.coordinator.BandwidthCalculatorImpl.java

/** 
 * Calculate the allocated bandwith for a list of target instances that have a 
 * bandwidth percentage override set.//from w w w  .j av  a  2 s .c o  m
 * @param aResults the result list to populate
 * @param aBandwidthPercentTIs the target instances to calaculate for
 * @param aRemainingBandwidth the amount of bandwith that can be allowcated
 * @param aMaxBandwidthPercent the max percent of the bandwidth that can be allocated
 * @return the remaining amount of bandwidth after these allocations
 */
private static double processSpecialTargetInstances(HashMap<Long, TargetInstance> aResults,
        ArrayList<TargetInstance> aBandwidthPercentTIs, long aRemainingBandwidth, int aMaxBandwidthPercent) {
    if (aBandwidthPercentTIs == null || aBandwidthPercentTIs.isEmpty()) {
        return aRemainingBandwidth;
    }

    double maxbw = aRemainingBandwidth;
    double remainingbw = aRemainingBandwidth;
    double maxAllocateableBW = (maxbw * (aMaxBandwidthPercent / 100d));
    TargetInstance ti = null;
    Double allocatedbw = null;

    if (aBandwidthPercentTIs.size() == 1) {
        ti = aBandwidthPercentTIs.iterator().next();
        allocatedbw = new Double(maxbw * (ti.getBandwidthPercent() / 100d));
        remainingbw -= allocatedbw.doubleValue();
        ti.setAllocatedBandwidth(new Long(allocatedbw.longValue()));
        aResults.put(ti.getOid(), ti);
    } else {
        Iterator it = null;
        // Check the target instance for a percentage allocation.
        double totalBWPercents = 0;
        if (!aBandwidthPercentTIs.isEmpty()) {
            it = aBandwidthPercentTIs.iterator();
            while (it.hasNext()) {
                ti = (TargetInstance) it.next();
                totalBWPercents += ti.getBandwidthPercent().intValue();
            }
        }

        it = aBandwidthPercentTIs.iterator();
        while (it.hasNext()) {
            ti = (TargetInstance) it.next();
            allocatedbw = new Double(maxAllocateableBW * (ti.getBandwidthPercent() / totalBWPercents));
            remainingbw -= allocatedbw.doubleValue();
            ti.setAllocatedBandwidth(new Long(allocatedbw.longValue()));
            aResults.put(ti.getOid(), ti);
        }
    }

    return remainingbw;
}

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From source file:net.intelliant.util.UtilCommon.java

/**
 * UtilDateTime.addDaysToTimestamp(Timestamp start, Double days) type-casts input into integer resulting in loss.
 * @return a <code>Timestamp</code> value
 *//*from   ww w  .j  av  a2 s .  c om*/
public static Timestamp addDaysToTimestamp(Timestamp start, Double days) {
    return new Timestamp(start.getTime() + ((long) (24 * 60 * 60 * 1000 * days.longValue())));
}

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From source file:org.apache.pig.impl.util.CastUtils.java

public static Long stringToLong(String str) {
    if (str == null) {
        return null;
    } else {//from ww w . ja v a2  s.  c  o m
        try {
            return Long.parseLong(str);
        } catch (NumberFormatException e) {
            // It's possible that this field can be interpreted as a double.
            // Unfortunately Java doesn't handle this in Long.valueOf. So
            // we need to try to convert it to a double and if that works
            // then
            // go to an long.
            try {
                Double d = Double.valueOf(str);
                // Need to check for an overflow error
                if (d.doubleValue() > mMaxLong.doubleValue() + 1.0) {
                    LogUtils.warn(CastUtils.class, "Value " + d + " too large for long",
                            PigWarning.TOO_LARGE_FOR_INT, mLog);
                    return null;
                }
                return Long.valueOf(d.longValue());
            } catch (NumberFormatException nfe2) {
                LogUtils.warn(CastUtils.class,
                        "Unable to interpret value " + str + " in field being "
                                + "converted to long, caught NumberFormatException <" + nfe2.getMessage()
                                + "> field discarded",
                        PigWarning.FIELD_DISCARDED_TYPE_CONVERSION_FAILED, mLog);
                return null;
            }
        }
    }
}

---

From source file:org.opencastproject.comments.CommentParser.java

private static Comment commentFromManifest(Node commentNode, UserDirectoryService userDirectoryService)
        throws UnsupportedElementException {
    try {/*ww w . j a va2  s  .  c  o  m*/
        // id
        Long id = null;
        Double idAsDouble = ((Number) xpath.evaluate("@id", commentNode, XPathConstants.NUMBER)).doubleValue();
        if (!idAsDouble.isNaN())
            id = idAsDouble.longValue();

        // text
        String text = (String) xpath.evaluate("text/text()", commentNode, XPathConstants.STRING);

        // Author
        Node authorNode = (Node) xpath.evaluate("author", commentNode, XPathConstants.NODE);
        User author = userFromManifest(authorNode, userDirectoryService);

        // ResolvedStatus
        Boolean resolved = BooleanUtils
                .toBoolean((Boolean) xpath.evaluate("@resolved", commentNode, XPathConstants.BOOLEAN));

        // Reason
        String reason = (String) xpath.evaluate("reason/text()", commentNode, XPathConstants.STRING);
        if (StringUtils.isNotBlank(reason))
            reason = reason.trim();

        // CreationDate
        String creationDateString = (String) xpath.evaluate("creationDate/text()", commentNode,
                XPathConstants.STRING);
        Date creationDate = new Date(DateTimeSupport.fromUTC(creationDateString));

        // ModificationDate
        String modificationDateString = (String) xpath.evaluate("modificationDate/text()", commentNode,
                XPathConstants.STRING);
        Date modificationDate = new Date(DateTimeSupport.fromUTC(modificationDateString));

        // Create comment
        Comment comment = Comment.create(Option.option(id), text.trim(), author, reason, resolved, creationDate,
                modificationDate);

        // Replies
        NodeList replyNodes = (NodeList) xpath.evaluate("replies/reply", commentNode, XPathConstants.NODESET);
        for (int i = 0; i < replyNodes.getLength(); i++) {
            comment.addReply(replyFromManifest(replyNodes.item(i), userDirectoryService));
        }

        return comment;
    } catch (XPathExpressionException e) {
        throw new UnsupportedElementException("Error while reading comment information from manifest", e);
    } catch (Exception e) {
        if (e instanceof UnsupportedElementException)
            throw (UnsupportedElementException) e;
        throw new UnsupportedElementException(
                "Error while reading comment creation or modification date information from manifest", e);
    }
}

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From source file:org.opencastproject.comments.CommentParser.java

private static CommentReply replyFromManifest(Node commentReplyNode, UserDirectoryService userDirectoryService)
        throws UnsupportedElementException {
    try {//from  www  .  j  a  va2s . c om
        // id
        Long id = null;
        Double idAsDouble = ((Number) xpath.evaluate("@id", commentReplyNode, XPathConstants.NUMBER))
                .doubleValue();
        if (!idAsDouble.isNaN())
            id = idAsDouble.longValue();

        // text
        String text = (String) xpath.evaluate("text/text()", commentReplyNode, XPathConstants.STRING);

        // Author
        Node authorNode = (Node) xpath.evaluate("author", commentReplyNode, XPathConstants.NODE);
        User author = userFromManifest(authorNode, userDirectoryService);

        // CreationDate
        String creationDateString = (String) xpath.evaluate("creationDate/text()", commentReplyNode,
                XPathConstants.STRING);
        Date creationDate = new Date(DateTimeSupport.fromUTC(creationDateString));

        // ModificationDate
        String modificationDateString = (String) xpath.evaluate("modificationDate/text()", commentReplyNode,
                XPathConstants.STRING);
        Date modificationDate = new Date(DateTimeSupport.fromUTC(modificationDateString));

        // Create reply
        return CommentReply.create(Option.option(id), text.trim(), author, creationDate, modificationDate);
    } catch (XPathExpressionException e) {
        throw new UnsupportedElementException("Error while reading comment reply information from manifest", e);
    } catch (Exception e) {
        if (e instanceof UnsupportedElementException)
            throw (UnsupportedElementException) e;
        throw new UnsupportedElementException(
                "Error while reading comment reply creation or modification date information from manifest", e);
    }
}

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From source file:com.github.jessemull.microflex.util.DoubleUtil.java

/**
 * Converts a list of doubles to a list of longs.
 * @param    List<Double>    list of doubles
 * @return                   list of longs
 *//*from  w w  w . java2s  .co  m*/
public static List<Long> toLongList(List<Double> list) {

    List<Long> longList = new ArrayList<Long>();

    for (Double val : list) {
        if (!OverFlowUtil.longOverflow(val)) {
            OverFlowUtil.overflowError(val);
        }
        longList.add(val.longValue());
    }

    return longList;

}

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From source file:utils.LocoUtils.java

public static Long stringToLong(String str) {
    if (str == null) {
        return null;
    } else {//from   w w  w.j ava2  s .  c  o  m
        try {
            return Long.parseLong(str);
        } catch (NumberFormatException e) {
            // It's possible that this field can be interpreted as a double.
            // Unfortunately Java doesn't handle this in Long.valueOf. So
            // we need to try to convert it to a double and if that works
            // then
            // go to an long.
            try {
                Double d = Double.valueOf(str);
                // Need to check for an overflow error
                if (d.doubleValue() > mMaxLong.doubleValue() + 1.0) {
                    Logger.warn(TAG + "|Value " + d + " too large for long");
                    return null;
                }
                return Long.valueOf(d.longValue());
            } catch (NumberFormatException nfe2) {
                Logger.warn(TAG + "|Unable to interpret value " + str + " in field being "
                        + "converted to long, caught NumberFormatException <" + nfe2.getMessage()
                        + "> field discarded");
                return null;
            }
        }
    }
}

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From source file:com.meltmedia.cadmium.core.github.ApiClient.java

public static List<Long> getAuthorizationIds(String username, String password) throws Exception {
    HttpClient client = createStaticHttpClient();
    List<Long> authIds = new ArrayList<Long>();
    try {/*from   ww w .j ava 2 s  .co m*/
        int limitRemain = getRateLimitRemain(null, client);
        if (limitRemain > 0) {

            HttpGet get = new HttpGet("https://api.github.com/authorizations");
            setupBasicAuth(username, password, get);
            HttpResponse response = null;
            try {
                response = client.execute(get);
                if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
                    List<Map<String, Object>> auths = new Gson().fromJson(
                            EntityUtils.toString(response.getEntity()),
                            new TypeToken<List<Map<String, Object>>>() {
                            }.getType());
                    if (auths != null && auths.size() > 0) {
                        for (Map<String, Object> auth : auths) {
                            if (auth != null && auth.containsKey("id")) {
                                Double id = (Double) auth.get("id");
                                authIds.add(id.longValue());
                            }
                        }
                    }
                } else {
                    EntityUtils.consume(response.getEntity());
                }
            } finally {
                get.releaseConnection();
                if (response != null) {
                    try {
                        ((CloseableHttpResponse) response).close();
                    } catch (IOException e) {
                    }
                }
            }
        } else {
            throw new Exception("Request is rate limited.");
        }
    } finally {
        if (client != null) {
            try {
                ((CloseableHttpClient) client).close();
            } catch (Throwable t) {
            }
        }
    }
    return authIds;
}

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