Examples of org.jfree.data.general.Dataset

org.jfree.data.general.Dataset
The base interface for data sets.
All datasets are required to support the {@link DatasetChangeEvent}mechanism by allowing listeners to register and receive notification of any changes to the dataset.
In addition, all datasets must belong to one (and only one) {@link DatasetGroup}. The group object maintains a reader-writer lock which provides synchronised access to the datasets in multi-threaded code.

  public Object getValue()
  {
    try
    {
      final Object maybeCollector = getDataRow().get(getDataSource());
      final Dataset dataset;
      final Object cacheKey;
      if (maybeCollector instanceof ICollectorFunction)
      {
        final ICollectorFunction collector = (ICollectorFunction) maybeCollector;
        dataset = (Dataset) collector.getDatasourceValue();

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                yAxis.addChangeListener(this);
            }
        }
        int datasetCount = this.datasets.size();
        for (int i = 0; i < datasetCount; i++) {
            Dataset dataset = (Dataset) this.datasets.get(i);
            if (dataset != null) {
                dataset.addChangeListener(this);
            }
        }
        int rendererCount = this.renderers.size();
        for (int i = 0; i < rendererCount; i++) {
            CategoryItemRenderer renderer

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                axis.addChangeListener(this);
            }
        }
        int datasetCount = this.datasets.size();
        for (int i = 0; i < datasetCount; i++) {
            Dataset dataset = (Dataset) this.datasets.get(i);
            if (dataset != null) {
                dataset.addChangeListener(this);
            }
        }
        int rendererCount = this.renderers.size();
        for (int i = 0; i < rendererCount; i++) {
            PolarItemRenderer renderer = (PolarItemRenderer) this.renderers.get(i);

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   */
  public Object produceDataset (Map params) throws DatasetProduceException {
    //log.debug(params);
    DatasetProducer datasetProducer = (DatasetProducer) params.get("producer");
    //log.debug(datasetProducer);
    Dataset dataset = (Dataset) datasetProducer.produceDataset(params);
    String suffix = (String) params.get("suffix");
    int period, skip;
    try {
      period = Integer.parseInt((String) params.get("period"));
      skip = Integer.parseInt((String) params.get("skip"));

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    // Object linkGenerator = getLinkGenerator();
    Mapped root = (Mapped) PageUtils.findRoot(this, pageContext);
    root.enableMapping();
    String chartId = ((CewolfRootTag) root).getChartId();
    try {
      Dataset dataset = PageUtils.getDataset(chartId, pageContext);
      Writer out = pageContext.getOut();
      final boolean isIE = BrowserDetection.isIE((HttpServletRequest) pageContext.getRequest());
      if (hasToolTips()) {
        enableToolTips(out, isIE);
      }

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//TODO da rifare
public class GraphController extends AbstractController {


    protected ModelAndView handleRequestInternal(HttpServletRequest req, HttpServletResponse res) throws Exception {


        Dataset storico = (Dataset) req.getAttribute(Constant.SPEDIZIONE);
        XYChart chart = new XYChart(new SpedizioneCriteria());
        Map<Object, Object> model = new FastMap<Object, Object>();
        model.put(Constant.GRAFICO, chart.getGraph());
        return new ModelAndView(new PngView(), model);
        // return null;

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  public Plot getPlot(int chartType) throws DatasetProduceException, ChartValidationException {
    if (plot == null) {
      int rendererIndex = PlotTypes.getRendererIndex(type);


      Dataset data = getDataset();
      AbstractRenderer rend = PlotTypes.getRenderer(rendererIndex);
      if (chartType == ChartConstants.OVERLAY_XY || chartType == ChartConstants.COMBINED_XY) {
        switch (rendererIndex) {
          case PlotConstants.XY_AREA :
          case PlotConstants.XY_LINE :

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    @Override
    public JFreeChart buildChart(ChartingDefinition chartingDefinition)
    {
        _seriesBuilder.setDatasetHolder(newDatasetHolder());
        Dataset dataset = _seriesBuilder.build(chartingDefinition.getSeriesDefinitions());


        JFreeChart chart = createChart(chartingDefinition, dataset);
        return chart;
    }

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                axis.addChangeListener(this);
            }
        }
        int datasetCount = this.datasets.size();
        for (int i = 0; i < datasetCount; i++) {
            Dataset dataset = (Dataset) this.datasets.get(i);
            if (dataset != null) {
                dataset.addChangeListener(this);
            }
        }
        int rendererCount = this.renderers.size();
        for (int i = 0; i < rendererCount; i++) {
            PolarItemRenderer renderer = (PolarItemRenderer) this.renderers.get(i);

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                axis.addChangeListener(this);
            }
        }
        int datasetCount = this.datasets.size();
        for (int i = 0; i < datasetCount; i++) {
            Dataset dataset = (Dataset) this.datasets.get(i);
            if (dataset != null) {
                dataset.addChangeListener(this);
            }
        }
        int rendererCount = this.renderers.size();
        for (int i = 0; i < rendererCount; i++) {
            XYItemRenderer renderer = (XYItemRenderer) this.renderers.get(i);

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