Example usage for org.jfree.data.time TimePeriodValuesCollection getItemCount

Introduction

In this page you can find the example usage for org.jfree.data.time TimePeriodValuesCollection getItemCount.

Prototype

@Override
public int getItemCount(int series) 

Source Link

Document

Returns the number of items in the specified series.

Usage

From source file:net.commerce.zocalo.freechart.ChartGenerator.java

static public File writeMultiStepChartFile(String webDirName, String chartDirName, final int chartSize,
        Date lastTrade, final Claim claim) throws IOException {
    String chartStyle = "p";
    final String market = claim.getName();
    final File existingPngFile = pngFile(webDirName, chartDirName, market, chartStyle);
    if (isFileMoreRecent(lastTrade, existingPngFile)) {
        return existingPngFile;
    }//from   w ww.ja  v a  2s.c  o m

    Callable<Boolean> worker = new Callable<Boolean>() {
        public Boolean call() throws Exception {
            List trades = HibernateUtil.tradeListForJsp(market);
            TimePeriodValuesCollection prices = ChartGenerator.getOpenCloseValues(trades, claim);
            JFreeChart chart = EMPTY_CHART;
            if (prices.getItemCount(0) != 0) {
                chart = multiStepChart(prices);
            }
            try {
                writeChartAsPNG(chartSize, chart, existingPngFile);
                new NewChart(market);
                return true;
            } catch (IOException e) {
                Logger log = Logger.getLogger("trace");
                log.error("Couldn't save updated chart for '" + market + "'.", e);
                return false;
            }
        }
    };
    ChartScheduler sched = ChartScheduler.create(market, worker);
    sched.generateNewChart();
    return existingPngFile;
}

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From source file:net.commerce.zocalo.freechart.ChartGenerator.java

public static File updateChartFile(String webDirName, String chartDirName, Date lastTrade,
        final String claimName, final boolean scalePrices, final int chartHeight, final int chartWidth)
        throws IOException {
    String chartStyle = "pv";
    final File existingPngFile = pngFile(webDirName, chartDirName, claimName, chartStyle);
    if (isFileMoreRecent(lastTrade, existingPngFile)) {
        return existingPngFile;
    }/*from   ww  w.j a va 2s.  c o  m*/

    Callable<Boolean> worker = new Callable<Boolean>() {
        public Boolean call() throws Exception {
            List trades = HibernateUtil.tradeListForJsp(claimName);
            TimePeriodValuesCollection prices = ChartGenerator.getHistoricalPrices(claimName, trades);
            JFreeChart chart = EMPTY_CHART;
            if (prices.getItemCount(0) != 0) {
                TimePeriodValuesCollection volumes = ChartGenerator.getHistoricalVolumes(claimName, trades);
                chart = priceVolumeHistoryChart("", prices, volumes, scalePrices);
            }
            try {
                writeChartAsPNG(chartWidth, chartHeight, chart, existingPngFile);
                new NewChart(claimName);
                return true;
            } catch (IOException e) {
                Logger log = Logger.getLogger("trace");
                log.error("Couldn't save updated chart for '" + claimName + "'.", e);
                return false;
            }
        }
    };
    ChartScheduler sched = ChartScheduler.create(claimName, worker);
    sched.generateNewChart();

    return existingPngFile;
}

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From source file:net.commerce.zocalo.freechart.ChartGenerator.java

static public File writeChartFile(String webDirName, String chartDirName, String name,
        TimePeriodValuesCollection prices, int chartSize, Date lastTrade) throws IOException {
    String chartStyle = "p";
    File existingPngFile = pngFile(webDirName, chartDirName, name, chartStyle);
    if (isFileMoreRecent(lastTrade, existingPngFile)) {
        return existingPngFile;
    }//from ww w .j av  a 2 s  .  c  om

    JFreeChart chart = EMPTY_CHART;
    if (prices.getItemCount(0) != 0) {
        chart = priceHistoryChart(name, prices);
    }
    return writeChartAsPNG(chartSize, chart, existingPngFile);
}

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From source file:net.commerce.zocalo.freechart.ChartGenerator.java

static public File writeMultiChartFile(String webDirName, String chartDirName, String name,
        TimePeriodValuesCollection prices, int chartSize, Date lastTrade) throws IOException {
    String chartStyle = "p";
    File existingPngFile = pngFile(webDirName, chartDirName, name, chartStyle);
    if (isFileMoreRecent(lastTrade, existingPngFile)) {
        return existingPngFile;
    }//from  w  ww . j  av  a 2 s . c  o m

    JFreeChart chart = EMPTY_CHART;
    if (prices.getItemCount(0) != 0) {
        chart = multiPriceHistoryChart(prices);
    }
    return writeChartAsPNG(chartSize, chart, existingPngFile);
}

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From source file:net.commerce.zocalo.freechart.ChartGenerator.java

static public File writeMultiStepChartFile(String webDirName, String chartDirName, String name,
        TimePeriodValuesCollection prices, int chartSize, Date lastTrade) throws IOException {
    String chartStyle = "p";
    File existingPngFile = pngFile(webDirName, chartDirName, name, chartStyle);
    if (isFileMoreRecent(lastTrade, existingPngFile)) {
        return existingPngFile;
    }/*from   www  .j  a v  a2s.  c om*/

    JFreeChart chart = EMPTY_CHART;
    if (prices.getItemCount(0) != 0) {
        chart = multiStepChart(prices);
    }
    return writeChartAsPNG(chartSize, chart, existingPngFile);
}

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