## org.jfree.data.xy
Class AbstractIntervalXYDataset

    java.lang.Object
      org.jfree.data.general.AbstractDataset
          org.jfree.data.general.AbstractSeriesDataset
              org.jfree.data.xy.AbstractXYDataset
                  org.jfree.data.xy.AbstractIntervalXYDataset

All Implemented Interfaces:
  java.io.ObjectInputValidation, java.io.Serializable, java.lang.Cloneable, java.util.EventListener, Dataset, SeriesChangeListener, SeriesDataset, IntervalXYDataset, XYDataset

Direct Known Subclasses:
  CategoryTableXYDataset, CombinedDataset, DefaultIntervalXYDataset, DefaultTableXYDataset, DynamicTimeSeriesCollection, HistogramDataset, SimpleHistogramDataset, SubSeriesDataset, TimePeriodValuesCollection, TimeSeriesCollection, TimeTableXYDataset, XIntervalSeriesCollection, XYBarDataset, XYIntervalSeriesCollection, XYSeriesCollection, YIntervalSeriesCollection

    public abstract class AbstractIntervalXYDataset

extends AbstractXYDataset
implements IntervalXYDataset

An base class that you can use to create new implementations of the `IntervalXYDataset` interface.

See Also:
  Serialized Form

Constructor Summary
`AbstractIntervalXYDataset()`

Method Summary
`double` `getEndXValue(int series, int item)` Returns the end x-value (as a double primitive) for an item within a series.
`double` `getEndYValue(int series, int item)` Returns the end y-value (as a double primitive) for an item within a series.
`double` `getStartXValue(int series, int item)` Returns the start x-value (as a double primitive) for an item within a series.
`double` `getStartYValue(int series, int item)` Returns the start y-value (as a double primitive) for an item within a series.

Methods inherited from class org.jfree.data.xy.AbstractXYDataset
`getDomainOrder, getXValue, getYValue`

Methods inherited from class org.jfree.data.general.AbstractSeriesDataset
`getSeriesCount, getSeriesKey, indexOf, seriesChanged`

Methods inherited from class org.jfree.data.general.AbstractDataset
`addChangeListener, clone, fireDatasetChanged, getGroup, hasListener, notifyListeners, removeChangeListener, setGroup, validateObject`

Methods inherited from class java.lang.Object
`equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface org.jfree.data.xy.IntervalXYDataset
`getEndX, getEndY, getStartX, getStartY`

Methods inherited from interface org.jfree.data.xy.XYDataset
`getDomainOrder, getItemCount, getX, getXValue, getY, getYValue`

Methods inherited from interface org.jfree.data.general.SeriesDataset
`getSeriesCount, getSeriesKey, indexOf`

Methods inherited from interface org.jfree.data.general.Dataset
`addChangeListener, getGroup, removeChangeListener, setGroup`

Constructor Detail

### AbstractIntervalXYDataset

    public AbstractIntervalXYDataset()

Method Detail

### getStartXValue

    public double getStartXValue(int series,
                                 int item)

  Returns the start x-value (as a double primitive) for an item within a series.

  Specified by:
    `getStartXValue` in interface `IntervalXYDataset`
  Parameters:
    `series` - the series index (zero-based).
    `item` - the item index (zero-based).
  Returns:
    The value.
  See Also:
    `IntervalXYDataset.getStartX(int, int)`

### getEndXValue

    public double getEndXValue(int series,
                               int item)

  Returns the end x-value (as a double primitive) for an item within a series.

  Specified by:
    `getEndXValue` in interface `IntervalXYDataset`
  Parameters:
    `series` - the series index (zero-based).
    `item` - the item index (zero-based).
  Returns:
    The value.
  See Also:
    `IntervalXYDataset.getEndX(int, int)`

### getStartYValue

    public double getStartYValue(int series,
                                 int item)

  Returns the start y-value (as a double primitive) for an item within a series.

  Specified by:
    `getStartYValue` in interface `IntervalXYDataset`
  Parameters:
    `series` - the series index (zero-based).
    `item` - the item index (zero-based).
  Returns:
    The value.
  See Also:
    `IntervalXYDataset.getStartY(int, int)`

### getEndYValue

    public double getEndYValue(int series,
                               int item)

  Returns the end y-value (as a double primitive) for an item within a series.

  Specified by:
    `getEndYValue` in interface `IntervalXYDataset`
  Parameters:
    `series` - the series (zero-based index).
    `item` - the item (zero-based index).
  Returns:
    The value.
  See Also:
    `IntervalXYDataset.getEndY(int, int)`