Package org.jfree.data

Data interfaces and classes.

Interface Summary

Interface	Description
CategoryDataset	The interface for a dataset with one or more series, and values associated with categories.
CombinationDataset	Interface that describes the new methods that any combined dataset needs to implement.
ContourDataset	The interface through which JFreeChart obtains data in the form of (x, y, z) items - used for XY and XYZ plots.
Dataset	The base interface for data sets.
DatasetChangeListener	The interface that must be supported by classes that wish to receive notification of changes to a dataset.
DomainInfo	An interface (optional) that can be implemented by a dataset to assist in determining the minimum and maximum values.
Function2D	A function of the form y = f(x).
HighLowDataset	An interface that defines data in the form of (x, high, low, open, close) tuples.
IntervalCategoryDataset	A category dataset that defines a value range for each series/category combination.
IntervalXYDataset	An extension of the XYDataset interface that allows a range of data to be defined for the X values, the Y values, or both the X and Y values.
IntervalXYZDataset	An extension of the XYZDataset interface that allows a range of data to be defined for any of the X values, the Y values, and the Z values.
KeyedValue	A (key, value) pair.
KeyedValueDataset	A dataset containing a single value.
KeyedValues	A collection of values where each value is associated with a key.
KeyedValues2D	An extension of the Values2D interface where a unique key is associated with the row and column indices.
KeyedValues2DDataset	A dataset containing (key, value) data items.
KeyedValuesDataset	A dataset containing (key, value) data items.
MeterDataset	Deprecated. Use ValueDataset instead, this interface mixes data and presentation items.
PieDataset	A general purpose dataset where values are associated with keys.
RangeInfo	An interface (optional) that can be implemented by a dataset to assist in determining the minimum and maximum values.
SeriesChangeListener	Methods for receiving notification of changes to a data series.
SeriesDataset	The interface for a dataset consisting of one or many series of data.
SignalsDataset	An interface that adds signal information to an XYDataset.
TableXYDataset	A dataset containing one or more data series containing (x, y) data items, where all series in the dataset share the same set of x-values.
Value	A general purpose interface for accessing a value.
ValueDataset	An interface for a dataset that returns a single value.
Values	An interface through which (single-dimension) data values can be accessed.
Values2D	A general purpose interface that can be used to access a table of values.
WindDataset	Interface for a dataset that supplies wind intensity and direction values observed at various points in time.
XisSymbolic	Represent a data set where X is a symbolic values.
XYDataset	An interface through which data in the form of (x, y) items can be accessed.
XYZDataset	The interface through which JFreeChart obtains data in the form of (x, y, z) items - used for XY and XYZ plots.
YisSymbolic	Represent a data set where Y is a symbolic values.

Class Summary

Class	Description
AbstractDataset	An abstract implementation of the Dataset interface, containing a mechanism for registering change listeners.
AbstractIntervalXYDataset	An base class that you can use to create new implementations of the XYDataset interface.
AbstractSeriesDataset	An abstract implementation of the SeriesDataset interface, containing a mechanism for registering change listeners.
AbstractXYDataset	An base class that you can use to create new implementations of the XYDataset interface.
AbstractXYZDataset	An base class that you can use to create new implementations of the XYZDataset interface.
CategoryTableXYDataset	An implementation variant of the TableXYDataset where every series shares the same x-values (required for generating stacked area charts).
CategoryToPieDataset	A PieDataset implementation that obtains its data from one row or column of a CategoryDataset.
CombinedDataset	This class can combine instances of XYDataset, HighLowDataset and IntervalXYDataset together exposing the union of all the series under one dataset.
DatasetChangeEvent	A change event that encapsulates information about a change to a dataset.
DatasetGroup	A class that is used to group datasets.
DatasetUtilities	A collection of useful static methods relating to datasets.
DataUtilities	Utility methods for use with some of the data classes (but not the datasets, see DatasetUtilities).
DateRange	A range specified in terms of two java.util.Date objects.
DefaultCategoryDataset	A default implementation of the CategoryDataset interface.
DefaultContourDataset	A convenience class that provides a default implementation of the ContourDataset interface.
DefaultHighLowDataset	A simple implementation of the HighLowDataset.
DefaultIntervalCategoryDataset	A convenience class that provides a default implementation of the IntervalCategoryDataset interface.
DefaultKeyedValue	A (key, value) pair.
DefaultKeyedValueDataset	A default implementation of the KeyedValueDataset interface.
DefaultKeyedValues	A collection of (key, value) pairs.
DefaultKeyedValues2D	A data structure that stores zero, one or many values, where each value is associated with two keys (a 'row' key and a 'column' key).
DefaultKeyedValues2DDataset	A default implementation of the KeyedValues2DDataset interface.
DefaultKeyedValuesDataset	A default implementation of the KeyedValuesDataset interface.
DefaultMeterDataset	Deprecated. Use ValueDataset instead, this interface mixes data and presentation items.
DefaultPieDataset	A default implementation of the PieDataset interface.
DefaultTableXYDataset	An XYDataset where every series shares the same x-values (required for generating stacked area charts).
DefaultValueDataset	A default implementation of the ValueDataset interface.
DefaultWindDataset	A default implementation of the WindDataset interface.
JDBCCategoryDataset	A CategoryDataset implementation over a database JDBC result set.
JDBCPieDataset	A PieDataset that reads data from a database via JDBC.
JDBCXYDataset	This class provides an XYDataset implementation over a database JDBC result set.
KeyedObject	A (key, object) pair.
KeyedObjects	A collection of (key, object) pairs.
KeyedObjects2D	A data structure that stores zero, one or many objects, where each object is associated with two keys (a 'row' key and a 'column' key).
KeyedValueComparator	A utility class that can compare and order two KeyedValue instances and sort them into ascending or descending order by key or by value.
KeyedValueComparatorType	Uses to indicate the type of a KeyedValueComparator : 'by key' or 'by value'.
KeyToGroupMap	A class that maps keys (instances of Comparable to groups.
LineFunction2D	A function in the form y = a + bx.
MatrixSeries	Represents a dense matrix M[i,j] where each Mij item of the matrix has a value (default is 0).
MatrixSeriesCollection	Represents a collection of MatrixSeries that can be used as a dataset.
MeanAndStandardDeviation	A simple data structure that holds a mean value and a standard deviation value.
MovingAverage	A utility class for calculating moving averages of time series data.
NonGridContourDataset	A convenience class that extends the DefaultContourDataset to acommadate non-grid data.
NormalDistributionFunction2D	A normal distribution function.
NormalizedMatrixSeries	Represents a dense normalized matrix M[i,j] where each Mij item of the matrix has a value (default is 0).
OHLCDataItem	Represents a single (open-high-low-close) data item in an OHLCDataset.
OHLCDataset	A simple implementation of the HighLowDataset interface.
PowerFunction2D	A function of the form y = a * x ^ b.
Range	Represents an immutable range of values.
Regression	A utility class for fitting regression curves to data.
Series	Base class representing a data series.
SeriesChangeEvent	An event with details of a change to a series.
SubSeriesDataset	This class will create a dataset with one or more series from another SeriesDataset.
TimeSeriesTableModel	Wrapper around a time series to convert it to a table model for use in a JTable.
WaferMapDataset	A dataset that can be used with the WaferMapPlot class.
XYBarDataset	A dataset wrapper class that converts a standard XYDataset into an IntervalXYDataset suitable for use in creating XY bar charts.
XYDataItem	Represents one (x, y) data item for an XYSeries.
XYDataPair	Deprecated. Use XYDataItem.
XYDatasetTableModel	A READ-ONLY wrapper around an XYDataset to convert it to a table model for use in a JTable.
XYSeries	Represents a sequence of zero or more data items in the form (x, y).
XYSeriesCollection	Represents a collection of XYSeries objects that can be used as a dataset.

Exception Summary

Exception	Description
SeriesException	A general purpose exception class for data series.