org.jfree.data.general

Interface Dataset

Known Implementing Classes:: AbstractDataset, AbstractIntervalXYDataset, AbstractSeriesDataset, AbstractXYDataset, AbstractXYZDataset, CategoryTableXYDataset, CategoryToPieDataset, CombinedDataset, CyclicXYItemRenderer.OverwriteDataSet, DefaultBoxAndWhiskerCategoryDataset, DefaultBoxAndWhiskerXYDataset, DefaultCategoryDataset, DefaultContourDataset, DefaultHighLowDataset, DefaultIntervalCategoryDataset, DefaultIntervalXYDataset, DefaultKeyedValueDataset, DefaultKeyedValues2DDataset, DefaultKeyedValuesDataset, DefaultOHLCDataset, DefaultPieDataset, DefaultStatisticalCategoryDataset, DefaultTableXYDataset, DefaultValueDataset, DefaultWindDataset, DefaultXYDataset, DefaultXYZDataset, DynamicTimeSeriesCollection, HistogramDataset, JDBCCategoryDataset, JDBCPieDataset, JDBCXYDataset, MatrixSeriesCollection, NonGridContourDataset, OHLCSeriesCollection, SimpleHistogramDataset, SubSeriesDataset, TaskSeriesCollection, TimePeriodValuesCollection, TimeSeriesCollection, TimeTableXYDataset, WaferMapDataset, XIntervalSeriesCollection, XYBarDataset, XYIntervalSeriesCollection, XYSeriesCollection, YIntervalSeriesCollection

public interface Dataset

The base interface for data sets.

All datasets are required to support the 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) DatasetGroup. The group object maintains a reader-writer lock which provides synchronised access to the datasets in multi-threaded code.

Method Summary
`void`	`addChangeListener(DatasetChangeListener listener)` Registers an object for notification of changes to the dataset.
`DatasetGroup`	`getGroup()` Returns the dataset group.
`void`	`removeChangeListener(DatasetChangeListener listener)` Deregisters an object for notification of changes to the dataset.
`void`	`setGroup(DatasetGroup group)` Sets the dataset group.

addChangeListener

public void addChangeListener(DatasetChangeListener listener)

Registers an object for notification of changes to the dataset.
Parameters:
listener - the object to register.

getGroup

public DatasetGroup getGroup()

Returns the dataset group.
Returns:
The dataset group.

removeChangeListener

public void removeChangeListener(DatasetChangeListener listener)

Deregisters an object for notification of changes to the dataset.
Parameters:
listener - the object to deregister.

setGroup

public void setGroup(DatasetGroup group)

Sets the dataset group.
Parameters:
group - the dataset group.

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