org.jfree.data
Interface Values2D

All Known Subinterfaces:

BoxAndWhiskerCategoryDataset, CategoryDataset, GanttCategoryDataset, IntervalCategoryDataset, KeyedValues2D, KeyedValues2DDataset, MultiValueCategoryDataset, StatisticalCategoryDataset

All Known Implementing Classes:

DefaultBoxAndWhiskerCategoryDataset, DefaultCategoryDataset, DefaultIntervalCategoryDataset, DefaultKeyedValues2D, DefaultKeyedValues2DDataset, DefaultMultiValueCategoryDataset, DefaultStatisticalCategoryDataset, TaskSeriesCollection

public interface Values2D

A general purpose interface that can be used to access a table of values.

Method Summary

int	getColumnCount() Returns the number of columns in the table.
int	getRowCount() Returns the number of rows in the table.
java.lang.Number	getValue(int row, int column) Returns a value from the table.

Method Detail

getRowCount

public int getRowCount()

Returns the number of rows in the table.

Returns:

The row count.

getColumnCount

public int getColumnCount()

Returns the number of columns in the table.

Returns:

The column count.

getValue

public java.lang.Number getValue(int row,
                                 int column)

Returns a value from the table.

Parameters:

row - the row index (zero-based).

column - the column index (zero-based).

Returns:

The value (possibly null).

Throws:

java.lang.IndexOutOfBoundsException - if the row or column is out of bounds.