Example usage for java.util Formatter close

Introduction

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

Prototype

public void close()

Source Link

Document

Closes this formatter.

Usage

From source file:net.sourceforge.fenixedu.domain.student.Registration.java

public void exportValues(StringBuilder result) {
    Formatter formatter = new Formatter(result);
    final Student student = getStudent();
    formatter.format("%s: %s\n", BundleUtil.getString(Bundle.ACADEMIC, "label.ingression"),
            getIngression() == null ? " - " : getIngression().getFullDescription());
    formatter.format("%s: %d\n", BundleUtil.getString(Bundle.ACADEMIC, "label.studentNumber"),
            student.getNumber());//w  w  w  .  java2s.  c  om
    formatter.format("%s: %s\n", BundleUtil.getString(Bundle.ACADEMIC, "label.Student.Person.name"),
            student.getPerson().getName());
    formatter.format("%s: %s\n", BundleUtil.getString(Bundle.ACADEMIC, "label.degree"),
            getDegree().getPresentationName());
    formatter.close();
}

From source file:org.wso2.extension.siddhi.execution.var.backtest.BacktestIncremental.java

public void runTest() throws FileNotFoundException {

    Formatter formatter = new Formatter(new File("MonteCarloBacktestResults.csv"));
    formatter.format("%s%n", "date,varclose,varavg,varmax,corrloss,varmedian,varmode,lossclose,lossavg,lossmax,"
            + "corrvar,lossmedian,lossmode");
    String[] dates = { "jan-23", "jan-24", "jan-25", "jan-26", "jan-27", "jan-30", "jan-31", "feb-1", "feb-2",
            "feb-3" };
    String write = "%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s";
    //        VaRCalculator varCalculator = new HistoricalVaRCalculator(BATCH_SIZE, VAR_CI);
    VaRCalculator varCalculator = new ParametricVaRCalculator(BATCH_SIZE, VAR_CI);
    //        VaRCalculator varCalculator = new MonteCarloVarCalculator(BATCH_SIZE, VAR_CI, 2500, 100, 0.01);

    Map<String, Integer> assets = initPortfolio();
    Portfolio portfolio = varCalculator.createPortfolio("1", assets);
    varCalculator.addPortfolio("1", portfolio);

    for (int d = START_DATE; d <= END_DATE; d++) {
        System.out.println("\nDAY : " + dates[d - START_DATE] + "\n");
        ArrayList<Event> list = readBacktestData(d);
        HashMap<Integer, Double> varMap = new HashMap();
        HashMap<Integer, Double> lossMap = new HashMap();
        double var = 0;
        double loss = 0;
        String corrVar;/*  w ww .  j a v  a  2  s . c  o  m*/
        String corrLoss;

        int counter = 0;
        for (int i = 0; i < list.size(); i++) {

            //System.out.print("Event " + (i + 1) + " : ");
            String jsonString = (String) varCalculator.calculateValueAtRisk(list.get(i));
            currentPortfolioValue = portfolio.getTotalPortfolioValue();

            if (jsonString != null) {

                JSONObject jsonObject = new JSONObject(jsonString);
                double tempVar = (Double) jsonObject.get(PORTFOLIO_KEY); // hardcoded for portfolio ID 1
                if (tempVar < 0) {
                    var = tempVar;
                    varMap.put(counter, var);
                    //System.out.printf("Var : %.4f", tempVar);
                }

                double tempLoss = currentPortfolioValue - previousPortfolioValue;
                if (tempLoss < 0) {
                    loss = tempLoss;
                    lossMap.put(counter, loss);
                    //System.out.printf(" Loss : %.4f", tempLoss);
                }
                counter++;
            }

            previousPortfolioValue = currentPortfolioValue;
            //System.out.println();
        }

        double[] vars = Stream.of(varMap.values().toArray(new Double[varMap.size()]))
                .mapToDouble(Double::doubleValue).toArray();
        DescriptiveStatistics statVar = new DescriptiveStatistics(vars);

        double[] losses = Stream.of(lossMap.values().toArray(new Double[lossMap.size()]))
                .mapToDouble(Double::doubleValue).toArray();
        DescriptiveStatistics statLoss = new DescriptiveStatistics(losses);

        System.out.println("Daily VaR CLOSE  : " + var);
        System.out.println("Daily VaR AVG    : " + statVar.getMean());

        Double min = statVar.getMin();
        System.out.println("Daily VaR MAX    : " + min);

        Integer minIndex = null;
        for (Map.Entry<Integer, Double> e : varMap.entrySet()) {
            if (e.getValue().equals(min)) {
                minIndex = e.getKey();
            }
        }

        if (lossMap.get(minIndex) == null) {
            corrLoss = "NO LOSS";
        } else {
            corrLoss = lossMap.get(minIndex).toString();
        }

        System.out.println("Crspng Loss      : " + corrLoss);
        System.out.println("Daily VaR MEDIAN : " + statVar.getPercentile(50));
        System.out.println("Daily VaR MODE   : " + mode(statVar.getValues()));

        System.out.println();

        System.out.println("Daily Loss CLOSE   : " + loss);
        System.out.println("Daily Loss AVG     : " + statLoss.getMean());

        min = statLoss.getMin();
        System.out.println("Daily Loss MAX     : " + min);

        for (Map.Entry<Integer, Double> e : lossMap.entrySet()) {
            if (e.getValue().equals(min)) {
                minIndex = e.getKey();
            }
        }

        if (varMap.get(minIndex) == null) {
            corrVar = "NO VAR";
        } else {
            corrVar = varMap.get(minIndex).toString();
        }

        System.out.println("Crspng VaR         : " + corrVar);
        System.out.println("Daily Loss MEDIAN  : " + statLoss.getPercentile(50));
        System.out.println("Daily Loss MODE    : " + mode(statLoss.getValues()));

        formatter.format("%s%n",
                String.format(write, dates[d - START_DATE], var, statVar.getMean(), statVar.getMin(), corrLoss,
                        statVar.getPercentile(50), mode(statVar.getValues()), loss, statLoss.getMean(),
                        statLoss.getMin(), corrVar, statLoss.getPercentile(50), mode(statLoss.getValues())));

    }

    formatter.close();
}