lu.lippmann.cdb.datasetview.tasks.SortTimeSeriesTask.java Source code

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Here is the source code for lu.lippmann.cdb.datasetview.tasks.SortTimeSeriesTask.java

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/**
 * Copyright 2014-2016 LIST (Luxembourg Institute of Science and Technology), all right reserved.
 * Authorship : Olivier PARISOT, Yoanne DIDRY
 * Licensed under GNU General Public License version 3
 */
package lu.lippmann.cdb.datasetview.tasks;

import javax.swing.JOptionPane;

import lu.lippmann.cdb.weka.*;
import weka.core.*;

/**
 * Task.
 * 
 * @author the WP1 team
 */
public final class SortTimeSeriesTask extends Task {
    /**
     * {@inheritDoc}
     */
    @Override
    String getName() {
        return "Sort time series by similarity";
    }

    /**
     * {@inheritDoc}
     */
    @Override
    String getIconPath() {
        return "menu/hierarchize.png"; // TODO: change icon
    }

    /**
     * {@inheritDoc}
     */
    @Override
    Instances process0(final Instances dataSet) throws Exception {
        if (WekaDataStatsUtil.getFirstDateAttributeIdx(dataSet) == -1) {
            throw new Exception("Only usable with time series!");
        }

        final String s = (String) JOptionPane.showInputDialog(null, "Select a time serie:\n",
                "Time serie selection", JOptionPane.PLAIN_MESSAGE, null,
                WekaDataStatsUtil.getAttributeNames(dataSet).toArray(), "");

        if (s != null)
            return WekaDataProcessingUtil.buildDataSetSortedByAttribute(dataSet, dataSet.attribute(s).index());
        else
            return dataSet;
    }

}