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## org.jfree.data.general
Class AbstractSeriesDataset

    java.lang.Object
      org.jfree.data.general.AbstractDataset
          org.jfree.data.general.AbstractSeriesDataset

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

Direct Known Subclasses:
  AbstractXYDataset, DefaultIntervalCategoryDataset, TaskSeriesCollection

    public abstract class AbstractSeriesDataset

extends AbstractDataset
implements SeriesDataset, SeriesChangeListener, java.io.Serializable

An abstract implementation of the `SeriesDataset` interface, containing a mechanism for registering change listeners.

See Also:
  Serialized Form

Constructor Summary
`protected` | `AbstractSeriesDataset()` Creates a new dataset.

Method Summary
`abstract int` | `getSeriesCount()` Returns the number of series in the dataset.
`abstract java.lang.Comparable` | `getSeriesKey(int series)` Returns the key for a series.
`int` | `indexOf(java.lang.Comparable seriesKey)` Returns the index of the named series, or -1.
`void` | `seriesChanged(SeriesChangeEvent event)` Called when a series belonging to the dataset changes.

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.general.Dataset
`addChangeListener, getGroup, removeChangeListener, setGroup`

Constructor Detail

### AbstractSeriesDataset

    protected AbstractSeriesDataset()

  Creates a new dataset.

Method Detail

### getSeriesCount

    public abstract int getSeriesCount()

  Returns the number of series in the dataset.

  Specified by:
    `getSeriesCount` in interface `SeriesDataset`
  Returns:
    The series count.

### getSeriesKey

    public abstract java.lang.Comparable getSeriesKey(int series)

  Returns the key for a series.

  If `series` is not within the specified range, the implementing method should throw an `IndexOutOfBoundsException` (preferred) or an `IllegalArgumentException`.

  Specified by:
    `getSeriesKey` in interface `SeriesDataset`
  Parameters:
    `series` - the series index (in the range `0` to `getSeriesCount() - 1`).
  Returns:
    The series key.

### indexOf

    public int indexOf(java.lang.Comparable seriesKey)

  Returns the index of the named series, or -1.

  Specified by:
    `indexOf` in interface `SeriesDataset`
  Parameters:
    `seriesKey` - the series key (`null` permitted).
  Returns:
    The index.

### seriesChanged

    public void seriesChanged(SeriesChangeEvent event)

  Called when a series belonging to the dataset changes.

  Specified by:
    `seriesChanged` in interface `SeriesChangeListener`
  Parameters:
    `event` - information about the change.

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