Package org.jfree.data

Examples of org.jfree.data.DefaultKeyedValues

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    /**
     * Tests sorting of data by value (ascending).
     */
    public void testSortByValueAscending() {

        DefaultKeyedValues data = new DefaultKeyedValues();
        data.addValue("C", new Double(1.0));
        data.addValue("B", null);
        data.addValue("D", new Double(3.0));
        data.addValue("A", new Double(2.0));

        data.sortByValues(SortOrder.ASCENDING);

        // check key order
        assertEquals(data.getKey(0), "C");
        assertEquals(data.getKey(1), "A");
        assertEquals(data.getKey(2), "D");
        assertEquals(data.getKey(3), "B");

        // check retrieve value by key
        assertEquals(data.getValue("A"), new Double(2.0));
        assertEquals(data.getValue("B"), null);
        assertEquals(data.getValue("C"), new Double(1.0));
        assertEquals(data.getValue("D"), new Double(3.0));

        // check retrieve value by index
        assertEquals(data.getValue(0), new Double(1.0));
        assertEquals(data.getValue(1), new Double(2.0));
        assertEquals(data.getValue(2), new Double(3.0));
        assertEquals(data.getValue(3), null);

    }
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    /**
     * Tests sorting of data by key (descending).
     */
    public void testSortByValueDescending() {

        DefaultKeyedValues data = new DefaultKeyedValues();
        data.addValue("C", new Double(1.0));
        data.addValue("B", null);
        data.addValue("D", new Double(3.0));
        data.addValue("A", new Double(2.0));

        data.sortByValues(SortOrder.DESCENDING);

        // check key order
        assertEquals(data.getKey(0), "D");
        assertEquals(data.getKey(1), "A");
        assertEquals(data.getKey(2), "C");
        assertEquals(data.getKey(3), "B");

        // check retrieve value by key
        assertEquals(data.getValue("A"), new Double(2.0));
        assertEquals(data.getValue("B"), null);
        assertEquals(data.getValue("C"), new Double(1.0));
        assertEquals(data.getValue("D"), new Double(3.0));

        // check retrieve value by index
        assertEquals(data.getValue(0), new Double(3.0));
        assertEquals(data.getValue(1), new Double(2.0));
        assertEquals(data.getValue(2), new Double(1.0));
        assertEquals(data.getValue(3), null);

    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {

        DefaultKeyedValues v1 = new DefaultKeyedValues();
        v1.addValue("Key 1", new Double(23));
        v1.addValue("Key 2", null);
        v1.addValue("Key 3", new Double(42));

        DefaultKeyedValues v2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(v1);
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    SourceBean sbRows=SourceBean.fromXMLString(res);
    SourceBean sbRow=(SourceBean)sbRows.getAttribute("ROW");
    List listAtts=sbRow.getContainedAttributes();

    DefaultKeyedValues keyedValues=new DefaultKeyedValues();



    for (Iterator iterator = listAtts.iterator(); iterator.hasNext();) {
      SourceBeanAttribute att = (SourceBeanAttribute) iterator.next();
      String name=att.getKey();
      String valueS=(String)att.getValue();

      //try Double and Integer Conversion

      Double valueD=null;
      try{
        valueD=Double.valueOf(valueS);
      }
      catch (Exception e) {}

      Integer valueI=null;
      if(valueD==null){
        valueI=Integer.valueOf(valueS);
      }

      if(name!=null && valueD!=null){
        keyedValues.addValue(name, valueD);
      }
      else if(name!=null && valueI!=null){
        keyedValues.addValue(name, valueI);
      }
    }
    keyedValues.sortByValues(sortOrder);  //let user choose


    KeyedValues cumulative = DataUtilities.getCumulativePercentages(keyedValues);

    CategoryDataset dataset = DatasetUtilities.createCategoryDataset(
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    /**
     * Constructs a new dataset, initially empty.
     */
    public DefaultPieDataset() {
        this.data = new DefaultKeyedValues();
    }
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     */
    public DefaultPieDataset(KeyedValues data) {
        if (data == null) {
            throw new IllegalArgumentException("Null 'data' argument.");
        }
        this.data = new DefaultKeyedValues();
        for (int i = 0; i < data.getItemCount(); i++) {
            this.data.addValue(data.getKey(i), data.getValue(i));
        }
    }
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        Composite originalComposite = g2.getComposite();
        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,
                1.0f));

        // classify the keys according to which side the label will appear...
        DefaultKeyedValues leftKeys = new DefaultKeyedValues();
        DefaultKeyedValues rightKeys = new DefaultKeyedValues();

        double runningTotal = 0.0;
        Iterator iterator = keys.iterator();
        while (iterator.hasNext()) {
            Comparable key = (Comparable) iterator.next();
            boolean include = true;
            double v = 0.0;
            Number n = this.dataset.getValue(key);
            if (n == null) {
                include = !this.ignoreNullValues;
            }
            else {
                v = n.doubleValue();
                include = this.ignoreZeroValues ? v > 0.0 : v >= 0.0;
            }

            if (include) {
                runningTotal = runningTotal + v;
                // work out the mid angle (0 - 90 and 270 - 360) = right,
                // otherwise left
                double mid = this.startAngle + (this.direction.getFactor()
                        * ((runningTotal - v / 2.0) * 360) / totalValue);
                if (Math.cos(Math.toRadians(mid)) < 0.0) {
                    leftKeys.addValue(key, new Double(mid));
                }
                else {
                    rightKeys.addValue(key, new Double(mid));
                }
            }
        }

        g2.setFont(getLabelFont());
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        Composite originalComposite = g2.getComposite();
        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,
                1.0f));

        // classify the keys according to which side the label will appear...
        DefaultKeyedValues leftKeys = new DefaultKeyedValues();
        DefaultKeyedValues rightKeys = new DefaultKeyedValues();

        double runningTotal = 0.0;
        Iterator iterator = keys.iterator();
        while (iterator.hasNext()) {
            Comparable key = (Comparable) iterator.next();
            boolean include = true;
            double v = 0.0;
            Number n = this.dataset.getValue(key);
            if (n == null) {
                include = !this.ignoreNullValues;
            }
            else {
                v = n.doubleValue();
                include = this.ignoreZeroValues ? v > 0.0 : v >= 0.0;
            }

            if (include) {
                runningTotal = runningTotal + v;
                // work out the mid angle (0 - 90 and 270 - 360) = right,
                // otherwise left
                double mid = this.startAngle + (this.direction.getFactor()
                        * ((runningTotal - v / 2.0) * 360) / totalValue);
                if (Math.cos(Math.toRadians(mid)) < 0.0) {
                    leftKeys.addValue(key, new Double(mid));
                }
                else {
                    rightKeys.addValue(key, new Double(mid));
                }
            }
        }

        g2.setFont(getLabelFont());
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      this.population = population;
    }
  }

  StreamResponse onChart() {
    DefaultKeyedValues values = new DefaultKeyedValues();
    for (CountryStats current : getCountryStats()) {
      values.addValue(current.country, current.population);
    }
    PieDataset pieDataset = new DefaultPieDataset(values);

    PiePlot3D plot = new PiePlot3D(pieDataset);
    plot.setForegroundAlpha(0.7f);
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    /**
     * Constructs a new dataset, initially empty.
     */
    public DefaultPieDataset() {

        this.data = new DefaultKeyedValues();

    }
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Related Classes of org.jfree.data.DefaultKeyedValues

  • it.eng.spagobi.engines.chart.bo.charttypes.others.CumulativeCurveChart
  • org.jfree.chart.plot.PiePlot
  • org.jfree.data.general.DataUtilities
  • org.jfree.data.general.DefaultPieDataset
  • org.jfree.data.junit.DefaultKeyedValuesTests
  • org.jfree.data.xml.CategorySeriesHandler
  • org.lazan.t5.stitch.demo.pages.PDFLinkDemo
  • java.util.List
  • java.util.ArrayList
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