Example usage for java.util Comparator Comparator

Introduction

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

Prototype

Comparator

Source Link

Usage

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

/**
 * Creates an example index start selection for each numerical attribute, or if there is none,
 * only one.//from   ww  w .jav a2  s  .c o  m
 *
 * @return a map containing for each numerical attribute an example index array such that the
 *         associated attribute values are in ascending order.
 */
public Map<Integer, int[]> getStartSelection() {
    Map<Integer, int[]> selection = new HashMap<>();
    if (columnTable.getNumberOfRegularNumericalAttributes() == 0) {
        selection.put(0, createFullArray(columnTable.getNumberOfExamples()));
    } else {
        Integer[] bigSelectionArray = createFullBigArray(columnTable.getNumberOfExamples());
        for (int j = columnTable.getNumberOfRegularNominalAttributes(); j < columnTable
                .getTotalNumberOfRegularAttributes(); j++) {
            final double[] attributeColumn = columnTable.getNumericalAttributeColumn(j);
            Integer[] startSelection = Arrays.copyOf(bigSelectionArray, bigSelectionArray.length);
            Arrays.sort(startSelection, new Comparator<Integer>() {

                @Override
                public int compare(Integer a, Integer b) {
                    return Double.compare(attributeColumn[a], attributeColumn[b]);
                }
            });
            selection.put(j, ArrayUtils.toPrimitive(startSelection));
        }
    }
    return selection;
}

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From source file:com.github.fauu.natrank.model.entity.Country.java

@JsonIgnore
public Flag getLastFlag() {
    List<Flag> flags = new LinkedList<>(getFlags());

    Collections.sort(flags, new Comparator<Flag>() {
        @Override/*from w  w w  . j  a v a  2  s  . com*/
        public int compare(Flag flag1, Flag flag2) {
            return flag1.getPeriod().getFromDate().compareTo(flag2.getPeriod().getFromDate());
        }
    });

    return flags.size() > 0 ? flags.get(flags.size() - 1) : null;
}

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From source file:fr.gotorennes.remote.RelayParkService.java

public List<RelayPark> getProximityRelayParks(final double latitude, final double longitude) {
    List<RelayPark> relayParks = loadList(getProximityCommand(latitude, longitude), NODE);
    if (relayParks != null) {
        Collections.sort(relayParks, new Comparator<RelayPark>() {

            @Override/*from  w  w  w.  j  av a 2 s  .  c o  m*/
            public int compare(RelayPark relayPark1, RelayPark relayPark2) {
                double distance1 = AbstractMapActivity.getDistance(latitude, longitude, relayPark1.latitude,
                        relayPark1.longitude);
                double distance2 = AbstractMapActivity.getDistance(latitude, longitude, relayPark2.latitude,
                        relayPark2.longitude);
                return Double.compare(distance1, distance2);
            }
        });
    }
    return relayParks;
}

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From source file:org.fhcrc.cpl.viewer.ms2.gui.MS2ScanViewer.java

protected void buildChart() {
    if (scanInViewer == null)
        return;//from w  ww  . j  a  va 2s.c om
    if (chartInViewer != null) {
        remove(chartInViewer);
    }
    float[][] spectrum = scanInViewer.getSpectrum();
    float[] mzValues = new float[spectrum[0].length];
    float[] intensityValues = new float[spectrum[0].length];

    for (int i = 0; i < mzValues.length; i++) {
        mzValues[i] = spectrum[0][i];
        intensityValues[i] = spectrum[1][i];
    }

    chartInViewer = new PanelWithPeakChart(mzValues, intensityValues, "ms2scan");

    //add labels for highest peaks
    if (numHighestPeaksToLabel > 0) {
        XYPlot xyPlot = chartInViewer.getChart().getXYPlot();
        List<Pair<Float, Float>> peaksAsPairs = new ArrayList<Pair<Float, Float>>();
        for (int i = 0; i < mzValues.length; i++)
            peaksAsPairs.add(new Pair<Float, Float>(mzValues[i], intensityValues[i]));
        Collections.sort(peaksAsPairs, new Comparator<Pair<Float, Float>>() {
            @Override
            public int compare(Pair<Float, Float> pair1, Pair<Float, Float> pair2) {
                float diff = pair1.second - pair2.second;
                if (diff > 0)
                    return -1;
                if (diff < 0)
                    return 1;
                return 0;
            }
        });
        for (int i = 0; i < numHighestPeaksToLabel; i++) {
            Pair<Float, Float> pair = peaksAsPairs.get(i);
            xyPlot.addAnnotation(
                    new XYTextAnnotation("" + Rounder.round(pair.first, 3), pair.first, pair.second));
        }
    }

    add(chartInViewer);
    updateUI();
}

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From source file:com.igormaznitsa.jute.Utils.java

public static List<TestContainer> sortDetectedClassMethodsForNameAndOrder(
        final List<TestContainer> testMethods) {
    Collections.sort(testMethods, new Comparator<TestContainer>() {
        @Override/*from w  ww  .j av  a  2s .c  o m*/
        public int compare(final TestContainer o1, final TestContainer o2) {
            final int order1 = o1.getOrder() < 0 ? -1 : o1.getOrder();
            final int order2 = o2.getOrder() < 0 ? -1 : o2.getOrder();

            final String name1 = o1.getMethodName();
            final String name2 = o2.getMethodName();

            final int result;
            if (order1 == order2) {
                result = name1.compareTo(name2);
            } else {
                result = Integer.compare(order1, order2);
            }
            return result;
        }
    });
    return testMethods;
}

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From source file:com.openshift.internal.restclient.model.Service.java

private List<IServicePort> getPorts(boolean modifiable) {
    List<IServicePort> ports = new ArrayList<>();
    if (!get(SERVICE_PORT).isDefined())
        return ports;
    for (ModelNode node : get(SERVICE_PORT).asList()) {
        ports.add(new ServicePort(node));
    }//from w  ww .  jav  a2  s. c om
    Collections.sort(ports, new Comparator<IServicePort>() {
        @Override
        public int compare(IServicePort first, IServicePort second) {
            Integer port0 = first.getPort();
            Integer port1 = second.getPort();
            return port0.compareTo(port1);
        }
    });
    return modifiable ? ports : Collections.unmodifiableList(ports);
}

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From source file:me.geenee.conf.SampleDataConfiguration.java

/**
 * Generates random set of tags./*from  ww  w . j  av a2  s.  c om*/
 * @return Set of tags.
 * @checkstyle ParameterNameCheck (25 lines)
 */
private Set<Tag> randomTags() {
    final int amount = this.random(1, TAGS_AMOUNT);
    final Set<Tag> result = new TreeSet<>(new Comparator<Tag>() {
        @Override
        public int compare(final Tag o1, final Tag o2) {
            Long first = Long.MIN_VALUE;
            Long second = Long.MIN_VALUE;
            if (o1 != null) {
                first = o1.getId();
            }
            if (o2 != null) {
                second = o2.getId();
            }
            return first.compareTo(second);
        }
    });
    for (int idx = 0; idx < amount; ++idx) {
        result.add(this.tags.findOne((long) this.random(1, TAGS_AMOUNT)));
    }
    return result;
}

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From source file:com.googlecode.l10nmavenplugin.model.BundlePropertiesFile.java

/**
 * {@inheritDoc}//from   w w  w .j a  v a2  s.  c  o m
 */
public Set<String> getDuplicatedResourceKeys() {
    Set<String> duplicatedResourceKeys = new HashSet<String>();

    List<Map.Entry<String, String>> list = new ArrayList(properties.entrySet());
    // Sort the list by values, to be able to detect duplicates
    Collections.sort(list, new Comparator<Map.Entry<String, String>>() {
        public int compare(Map.Entry<String, String> o1, Map.Entry<String, String> o2) {
            return o1.getValue().compareTo(o2.getValue());
        }
    });

    String previousValue = null;
    for (Map.Entry<String, String> entry : list) {
        if (entry.getValue().equals(previousValue)) {
            duplicatedResourceKeys.add(entry.getKey());
        }
        previousValue = entry.getValue();
    }

    return duplicatedResourceKeys;
}

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From source file:com.stratio.cassandra.index.query.SortField.java

/**
 * Returns a Java {@link Comparator} for {@link Columns} with the same logic as this {@link SortField}.
 *
 * @return A Java {@link Comparator} for {@link Columns} with the same logic as this {@link SortField}.
 *///from w w  w . j  av  a 2  s . c o m
public Comparator<Columns> comparator() {
    return new Comparator<Columns>() {
        public int compare(Columns o1, Columns o2) {

            if (o1 == null) {
                return o2 == null ? 0 : 1;
            }
            if (o2 == null) {
                return -1;
            }

            Column column1 = o1.getColumn(field);
            Column column2 = o2.getColumn(field);

            if (column1 == null) {
                return column2 == null ? 0 : 1;
            }
            if (column2 == null) {
                return -1;
            }

            AbstractType<?> type = column1.getType();
            ByteBuffer value1 = column1.getRawValue();
            ByteBuffer value2 = column2.getRawValue();
            return reverse ? type.compare(value2, value1) : type.compare(value1, value2);
        }
    };
}

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From source file:biz.webgate.dominoext.poi.component.kernel.CSVProcessor.java

public ByteArrayOutputStream generateCSV(UICSV csvDef, FacesContext context) throws IOException, POIException {
    ByteArrayOutputStream csvBAOS = new ByteArrayOutputStream();
    OutputStreamWriter csvWriter = new OutputStreamWriter(csvBAOS);
    CSVPrinter csvPrinter = new CSVPrinter(csvWriter, CSVFormat.DEFAULT);

    List<CSVColumn> lstColumns = csvDef.getColumns();
    Collections.sort(lstColumns, new Comparator<CSVColumn>() {

        public int compare(CSVColumn o1, CSVColumn o2) {
            Integer p1 = Integer.valueOf(o1.getPosition());
            Integer p2 = Integer.valueOf(o2.getPosition());
            return p1.compareTo(p2);
        }//from   w w w  .j a v  a  2 s .com

    });
    if (csvDef.isIncludeHeader()) {
        for (CSVColumn cl : lstColumns) {
            csvPrinter.print(cl.getTitle());
        }
        csvPrinter.println();
    }

    // DATASOURCE holen und verarbeiten.
    if (csvDef.getDataSource() != null) {
        EmbeddedDataSourceExportProcessor.getInstance().process(lstColumns, csvDef, csvPrinter, context);
    } else {
        XPagesDataSourceExportProcessor.getInstance().process(lstColumns, csvDef, csvPrinter, context);
    }

    csvPrinter.flush();
    return csvBAOS;
}

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