Example usage for java.util Map hashCode

Introduction

In this page you can find the example usage for java.util Map hashCode.

Prototype

int hashCode();

Source Link

Document

Returns the hash code value for this map.

Usage

From source file:org.xwiki.office.viewer.internal.DefaultOfficeResourceViewer.java

private String getCacheKey(DocumentReference ownerDocument, String resource, Map<String, ?> parameters) {
    return this.serializer.serialize(ownerDocument) + '/' + resource + '/' + parameters.hashCode();
}

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From source file:uk.me.viv.logmyride.KMLFile.java

/**
 * @todo push this down into a MotionX specific KML class
 * @return/*w w  w. ja v a2s. c  om*/
 */
public Map<String, String> getDescription() {

    String[] descriptionProperties = { "Date", "Distance", "Elapsed Time", "Avg Speed", "Max Speed", "Avg Pace",
            "Min Altitude", "Max Altitude", "Start Time", "Finish Time", };

    Map<String, String> description = new HashMap<>();

    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder;
    try {
        builder = factory.newDocumentBuilder();
        InputSource is = new InputSource();
        is.setCharacterStream(new StringReader(this.kml));
        try {
            Document doc = builder.parse(is);
            XPathFactory xPathfactory = XPathFactory.newInstance();
            XPath xpath = xPathfactory.newXPath();

            description.put("Name", xpath.evaluate("//Document/name/text()", doc));

            for (String property : descriptionProperties) {
                description.put(property,
                        xpath.evaluate("//td[text()=\"" + property + ":\"]/following::td[1]/text()", doc));
            }

            description.put("Filename", this.getFilename());
            description.put("ID", DigestUtils.shaHex(Integer.toString(description.hashCode())));

        } catch (SAXException ex) {
            Logger.getLogger(KMLFile.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(KMLFile.class.getName()).log(Level.SEVERE, null, ex);
        } catch (XPathExpressionException ex) {
            Logger.getLogger(KMLFile.class.getName()).log(Level.SEVERE, null, ex);
        }
    } catch (ParserConfigurationException ex) {
        Logger.getLogger(KMLFile.class.getName()).log(Level.SEVERE, null, ex);
    }

    return description;
}

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From source file:uniko.west.topology.bolts.TweetIndexBolt.java

@Override
public void execute(Tuple input) {

    // Retrieve hash map tuple object from Tuple input at index 0, index 1
    // will be message delivery tag (not used here)
    @SuppressWarnings("unchecked")
    Map<Object, Object> inputMap = (HashMap<Object, Object>) input.getValue(0);
    // Get JSON object from the HashMap from the Collections.singletonList
    @SuppressWarnings("unchecked")
    Map<String, Object> message = (Map<String, Object>) inputMap.get("message");
    this.collector.ack(input);

    if (!message.containsKey("created_at")) {
        return; // skip delete messages
    }/* w  w  w .  j a v  a 2  s  . co m*/

    // only consider tweets that include a text element
    if (!message.containsKey("text")) {
        return;
    }
    // extract tweet text
    String messageText = (String) message.get("text");

    // check the language in which the tweet was written
    Detector detector;
    String langDetected;
    try {
        detector = DetectorFactory.create();
        detector.append(messageText);
        langDetected = detector.detect();
        // only consider tweets written in Enlglish
        if (!langDetected.equals("en")) {
            return;
        }
    } catch (LangDetectException e) {
        e.printStackTrace();
        // return if language could not be determined
        return;
    }

    // create indices for calling the topic model predictor
    Text text = new Text(messageText);
    String messageTextIndices = "";
    text.stem = true;

    Iterator<String> iterator = text.getTerms();
    String term;
    while (iterator.hasNext()) {
        term = iterator.next();
        if (dictionary.contains(term)) {
            if (!messageTextIndices.isEmpty()) {
                messageTextIndices += " ";
            }
            messageTextIndices += dictionary.getID(term);
        }
    }

    ArrayList<Object> result = new ArrayList<Object>();
    message.put("messageTextIndices", messageTextIndices);

    result.add((Object) message);
    this.collector.emit(result);

    // test printout
    try (PrintStream testOut = new PrintStream(
            new File("/home/martin/test/tweetIndexBolt/location" + message.hashCode() + ".log"), "UTF8")) {
        testOut.println("text: " + messageText);
        testOut.println("detected language: " + langDetected);
        testOut.println("indicies: " + messageTextIndices);

    } catch (FileNotFoundException ex) {
        Logger.getLogger(TweetIndexBolt.class.getName()).log(Level.SEVERE, null, ex);
    } catch (UnsupportedEncodingException ex) {
        Logger.getLogger(TweetIndexBolt.class.getName()).log(Level.SEVERE, null, ex);
    }

}

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