Mercurial > hg > release > thermostat-1.0
view client/core/src/main/java/com/redhat/thermostat/client/ui/SampledDataset.java @ 1412:a0592d702416
Update copyright year in release branch.
reviewed-by: neugens
review-thread: http://icedtea.classpath.org/pipermail/thermostat/2014-June/009965.html
PR1821
author | Jon VanAlten <jon.vanalten@redhat.com> |
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date | Tue, 03 Jun 2014 11:55:56 -0600 |
parents | ccac9bcabaa0 |
children |
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/* * Copyright 2012-2014 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation; either version 2, or (at your * option) any later version. * * Thermostat is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.client.ui; import org.jfree.data.xy.AbstractXYDataset; import org.jfree.data.xy.IntervalXYDataset; /** * Represents a value sampled between two points in time. */ public class SampledDataset extends AbstractXYDataset implements IntervalXYDataset { private static final String SERIES_KEY = "0"; private static final int DEFAULT_SIZE = 32; private long[] xStart = new long[DEFAULT_SIZE]; private long[] xEnd = new long[DEFAULT_SIZE]; private double[] value = new double[DEFAULT_SIZE]; private int count = 0; public void add(long startX, long endX, double value) { if (xStart.length == count) { long[] newXStart = new long[xStart.length * 2]; System.arraycopy(xStart, 0, newXStart, 0, xStart.length); xStart = newXStart; long[] newXEnd = new long[xEnd.length * 2]; System.arraycopy(xEnd, 0, newXEnd, 0, xEnd.length); xEnd = newXEnd; double[] newValue = new double[this.value.length * 2]; System.arraycopy(this.value, 0, newValue, 0, this.value.length); this.value = newValue; } xStart[count] = startX; xEnd[count] = endX; this.value[count] = value; count++; } public void clear() { count = 0; fireDatasetChanged(); } @Override public int getItemCount(int series) { checkSeries(series); return count; } @Override public Number getX(int series, int item) { checkSeries(series); checkItemIndex(item); return xStart[item]; } @Override public Number getY(int series, int item) { checkSeries(series); checkItemIndex(item); return value[item]; } @Override public Number getStartX(int series, int item) { checkSeries(series); checkItemIndex(item); return xStart[item]; } @Override public double getStartXValue(int series, int item) { checkSeries(series); checkItemIndex(item); return xStart[item]; } @Override public Number getEndX(int series, int item) { checkSeries(series); checkItemIndex(item); return xEnd[item]; } @Override public double getEndXValue(int series, int item) { checkSeries(series); checkItemIndex(item); return xEnd[item]; } @Override public Number getStartY(int series, int item) { checkSeries(series); checkItemIndex(item); return value[item]; } @Override public double getStartYValue(int series, int item) { checkSeries(series); checkItemIndex(item); return value[item]; } @Override public Number getEndY(int series, int item) { checkSeries(series); checkItemIndex(item); return value[item]; } @Override public double getEndYValue(int series, int item) { checkSeries(series); checkItemIndex(item); return value[item]; } @Override public int getSeriesCount() { return 1; } @Override public Comparable<String> getSeriesKey(int series) { checkSeries(series); return SERIES_KEY; } @Override public int indexOf(Comparable seriesKey) { if (seriesKey == null) { return -1; } if (seriesKey.compareTo(SERIES_KEY) == 0) { return 0; } return -1; } private void checkSeries(int series) { if (series != 0) { throw new IllegalArgumentException(this.getClass().getName() + " supports only 1 series"); } } private void checkItemIndex(int index) { if (index >= (count)) { throw new IllegalArgumentException(this.getClass().getName() + " supports only 1 series"); } } public void fireSeriesChanged() { fireDatasetChanged(); } }