Example usage for java.util Map values

Introduction

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

Prototype

Collection<V> values();

Source Link

Document

Returns a Collection view of the values contained in this map.

Usage

From source file:com.github.gdfm.shobaidogu.StatsUtils.java

/**
 * Compute the magnitude of a vector.//from w w w.  j a  v a 2s  .c  o m
 * 
 * @param vector
 * @return
 */
public static <K, V extends Number> double magnitude(Map<K, V> vector) {
    double result = 0.0;
    for (V weight : vector.values())
        result += Math.pow(weight.doubleValue(), 2);
    result = Math.sqrt(result);
    return result;
}

From source file:com.darkstar.beanCartography.utils.NameUtils.java

/**
 * @param o object instanct to check//  w w  w  .  j  a  va  2s  .  c  om
 * @return <code>true</code> if any fields have names associated with them
 */
public static boolean hasFieldBusinessNames(Object o) {
    Preconditions.checkNotNull(o, "Object cannot be null");

    // look for business field annotation...
    Map<String, List<Field>> classFieldMap = getFields(o, true);
    final MutableBoolean hasBusinessName = new MutableBoolean(false);
    classFieldMap.values().stream().forEach(fieldList -> {
        Optional<Field> fieldOpt = fieldList.stream().filter(NameUtils::hasBusinessName).findFirst();
        fieldOpt.ifPresent(field -> hasBusinessName.setValue(field != null));
    });
    return hasBusinessName.booleanValue();
}

From source file:es.ehu.si.ixa.pipe.nerc.train.InputOutputUtils.java

public static List<List<Integer>> getBestIterations(Map<List<Integer>, Double> results,
        List<List<Integer>> allParams) throws IOException {
    StringBuffer sb = new StringBuffer();
    Double bestResult = (Collections.max(results.values()));
    for (Map.Entry<List<Integer>, Double> result1 : results.entrySet()) {
        if (result1.getValue().compareTo(bestResult) == 0) {
            allParams.add(result1.getKey());
            sb.append("Best results: ").append(result1.getKey()).append(" ").append(result1.getValue())
                    .append("\n");
            System.out.println("Results: " + result1.getKey() + " " + result1.getValue());
        }//from   w w  w  .j a  v  a2  s.c  om
    }
    FileUtils.writeStringToFile(new File("best-results.txt"), sb.toString(), "UTF-8");
    System.out.println("Best F via cross evaluation: " + bestResult);
    System.out.println("All Params " + allParams.size());
    return allParams;
}

From source file:userinterface.CyberSecurity.ChartFactory.java

public static ChartPanel createChart(UserAccount account) {
    Map<String, LoginDetails> loginDetails = account.getLoginDetails();
    DefaultCategoryDataset dataset1 = new DefaultCategoryDataset();
    DefaultCategoryDataset dataset2 = new DefaultCategoryDataset();

    Collection<LoginDetails> values = loginDetails.values();

    for (LoginDetails details : values) {
        dataset1.addValue(TimeUnit.MILLISECONDS.toHours(details.getLogoutTime() - details.getLoginTime()),
                HOURS_WORKED_BY_USER, details.getLoginDate());
        dataset2.addValue(2.5, MINIMUM_WORKING_HOURS, details.getLoginDate());
    }//w  w  w.  j a v  a  2s .  co m

    dataset1.addValue(2, HOURS_WORKED_BY_USER, "4-19-2016");
    dataset1.addValue(3, HOURS_WORKED_BY_USER, "4-20-2016");
    dataset2.addValue(2.5, MINIMUM_WORKING_HOURS, "4-19-2016");
    dataset2.addValue(2.5, MINIMUM_WORKING_HOURS, "4-20-2016");

    final CategoryItemRenderer renderer = new BarRenderer();

    final CategoryPlot plot = new CategoryPlot();
    plot.setDataset(dataset1);
    plot.setRenderer(renderer);

    plot.setDomainAxis(new CategoryAxis("Date"));
    plot.setRangeAxis(new NumberAxis("Hours"));

    plot.setOrientation(PlotOrientation.VERTICAL);
    plot.setRangeGridlinesVisible(true);
    plot.setDomainGridlinesVisible(true);

    // now create the second dataset and renderer...
    final CategoryItemRenderer renderer2 = new LineAndShapeRenderer();
    plot.setDataset(1, dataset2);
    plot.setRenderer(1, renderer2);

    plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);

    plot.getDomainAxis().setCategoryLabelPositions(CategoryLabelPositions.UP_45);
    final JFreeChart chart = new JFreeChart(plot);
    chart.setTitle("Employee work hours");

    chart.setBackgroundPaint(Color.WHITE);
    // add the chart to a panel...
    final ChartPanel chartPanel = new ChartPanel(chart);
    chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
    return chartPanel;
}

From source file:com.jhr.jarvis.table.TableRenderer.java

/**
 * Renders the Table header border, based on the map of provided headers.
 * /*  w  w w  .  ja  v a  2s .c o m*/
 * @param headers
 *            Map of headers containing meta information e.g. name+width of
 *            header
 * @return Returns the rendered header border as String
 */
public static String getHeaderBorder(Map<Integer, TableHeader> headers) {

    final StringBuilder headerBorder = new StringBuilder();

    for (TableHeader header : headers.values()) {
        headerBorder.append(StringUtils.padRight("  ", header.getWidth() + 2, '-'));
    }
    headerBorder.append("\n");

    return headerBorder.toString();
}

From source file:com.excelsiorsoft.transformer.SpringIntegrationUtils.java

/**
 * Helper Method to dynamically determine and display input and output
 * directories as defined in the Spring Integration context.
 *
 * @param context Spring Application Context
 *///ww w.ja  v a 2 s  . c om
public static void displayDirectories(final ApplicationContext context) {

    final File inDir = (File) new DirectFieldAccessor(context.getBean(FileReadingMessageSource.class))
            .getPropertyValue("directory");

    final Map<String, FileWritingMessageHandler> fileWritingMessageHandlers = context
            .getBeansOfType(FileWritingMessageHandler.class);

    final List<String> outputDirectories = new ArrayList<String>();

    for (final FileWritingMessageHandler messageHandler : fileWritingMessageHandlers.values()) {
        final File outDir = (File) new DirectFieldAccessor(messageHandler)
                .getPropertyValue("destinationDirectory");
        outputDirectories.add(outDir.getAbsolutePath());
    }

    final StringBuilder stringBuilder = new StringBuilder();

    stringBuilder.append("\n=========================================================");
    stringBuilder.append("\n");
    stringBuilder.append("\n    Input directory is : '" + inDir.getAbsolutePath() + "'");

    for (final String outputDirectory : outputDirectories) {
        stringBuilder.append("\n    Output directory is: '" + outputDirectory + "'");
    }

    stringBuilder.append("\n\n=========================================================");

    LOGGER.info(stringBuilder.toString());

}

From source file:au.edu.uws.eresearch.cr8it.SpringIntegrationUtils.java

/**
 * Helper Method to dynamically determine and display input and output
 * directories as defined in the Spring Integration context.
 *
 * @param context Spring Application Context
 *///from  w  w w .j av a 2 s  .com
public static void displayDirectories(final ApplicationContext context) {

    final File inDir = (File) new DirectFieldAccessor(context.getBean(FileReadingMessageSource.class))
            .getPropertyValue("directory");

    final Map<String, FileWritingMessageHandler> fileWritingMessageHandlers = context
            .getBeansOfType(FileWritingMessageHandler.class);

    final List<String> outputDirectories = new ArrayList<String>();

    for (final FileWritingMessageHandler messageHandler : fileWritingMessageHandlers.values()) {
        final Expression outDir = (Expression) new DirectFieldAccessor(messageHandler)
                .getPropertyValue("destinationDirectoryExpression");
        outputDirectories.add(outDir.getExpressionString());
    }

    final StringBuilder stringBuilder = new StringBuilder();

    stringBuilder.append("\n=========================================================");
    stringBuilder.append("\n");
    stringBuilder.append("\n    Input directory is : '" + inDir.getAbsolutePath() + "'");

    for (final String outputDirectory : outputDirectories) {
        stringBuilder.append("\n    Output directory is: '" + outputDirectory + "'");
    }

    stringBuilder.append("\n\n=========================================================");

    logger.info(stringBuilder.toString());

}

From source file:com.rapidminer.operator.learner.tree.SelectionCreator.java

/**
 * Returns a value of the map./*from w w  w.  j a v a2s. c om*/
 *
 * @param map
 *            a non-empty map
 * @return
 */
public static int[] getArbitraryValue(Map<Integer, int[]> map) {
    return map.values().iterator().next();
}

From source file:alluxio.cli.fsadmin.report.CapacityCommand.java

/**
 * Gets the formatted tier values of a worker.
 *
 * @param map the map to get worker tier values from
 * @param workerName name of the worker/*from   w  w w  . j a  v a  2  s  .co  m*/
 * @return the formatted tier values of the input worker name
 */
private static String getWorkerFormattedTierValues(Map<String, Map<String, String>> map, String workerName) {
    return map.values().stream()
            .map((tierMap) -> (String.format("%-14s", tierMap.getOrDefault(workerName, "-"))))
            .collect(Collectors.joining(""));
}

From source file:com.stratio.crossdata.sh.utils.ConsoleUtils.java

/**
 * In order to create a separator line in tables, this method calculates the total width of a
 * table./*www .  j a v a2 s. c o  m*/
 *
 * @param colWidths columns widths of a table.
 * @return total width of a table.
 */
private static int getTotalWidth(Map<String, Integer> colWidths) {
    int totalWidth = 0;
    for (int width : colWidths.values()) {
        totalWidth += width;
    }
    return totalWidth;
}