Module platform
Package org.jfree.data.xy

Interface XYDataset

All Superinterfaces:
Dataset, SeriesDataset
All Known Subinterfaces:
BoxAndWhiskerXYDataset, IntervalXYDataset, IntervalXYZDataset, OHLCDataset, TableXYDataset, VectorXYDataset, WindDataset, XYZDataset
All Known Implementing Classes:
AbstractIntervalXYDataset, AbstractXYDataset, AbstractXYZDataset, CategoryTableXYDataset, CyclicXYItemRenderer.OverwriteDataSet, DatasetAdapter, DefaultBoxAndWhiskerXYDataset, DefaultHighLowDataset, DefaultIntervalXYDataset, DefaultOHLCDataset, DefaultTableXYDataset, DefaultWindDataset, DefaultXYDataset, DefaultXYZDataset, DynamicTimeSeriesCollection, HistogramAdapter, HistogramDataset, MatrixSeriesCollection, OHLCSeriesCollection, SimpleHistogramDataset, TimePeriodValuesCollection, TimeSeriesCollection, TimeTableXYDataset, VectorSeriesCollection, XIntervalSeriesCollection, XYBarDataset, XYIntervalSeriesCollection, XYSeriesCollection, XYTaskDataset, YIntervalSeriesCollection
public interface XYDataset extends SeriesDataset
An interface through which data in the form of (x, y) items can be accessed.

  • Method Details

    • getDomainOrder

      DomainOrder getDomainOrder()
      Returns the order of the domain (or X) values returned by the dataset.
      Returns:
      The order (never null).

    • getItemCount

      int getItemCount(int series)
      Returns the number of items in a series.

      It is recommended that classes that implement this method should throw an IllegalArgumentException if the series argument is outside the specified range.
      Parameters:
      series - the series index (in the range 0 to getSeriesCount() - 1).
      Returns:
      The item count.

    • getX

      Number getX(int series, int item)
      Returns the x-value for an item within a series. The x-values may or may not be returned in ascending order, that is up to the class implementing the interface.
      Parameters:
      series - the series index (in the range 0 to getSeriesCount() - 1).
      item - the item index (in the range 0 to getItemCount(series)).
      Returns:
      The x-value (never null).

    • getXValue

      double getXValue(int series, int item)
      Returns the x-value for an item within a series.
      Parameters:
      series - the series index (in the range 0 to getSeriesCount() - 1).
      item - the item index (in the range 0 to getItemCount(series)).
      Returns:
      The x-value.

    • getY

      Number getY(int series, int item)
      Returns the y-value for an item within a series.
      Parameters:
      series - the series index (in the range 0 to getSeriesCount() - 1).
      item - the item index (in the range 0 to getItemCount(series)).
      Returns:
      The y-value (possibly null).

    • getYValue

      double getYValue(int series, int item)
      Returns the y-value (as a double primitive) for an item within a series.
      Parameters:
      series - the series index (in the range 0 to getSeriesCount() - 1).
      item - the item index (in the range 0 to getItemCount(series)).
      Returns:
      The y-value.