org.jfree.chart.labels
Interface CategoryLabelGenerator

All Known Implementing Classes:
IntervalCategoryLabelGenerator, StandardCategoryLabelGenerator

public interface CategoryLabelGenerator

A category item label generator is an object that can be assigned to a CategoryItemRenderer and that assumes responsibility for creating text items to be used as labels for the items in a CategoryPlot.

To assist with cloning charts, classes that implement this interface should also implement the PublicCloneable interface.


Method Summary
 java.lang.String generateLabel(CategoryDataset dataset, int series, int category)
          Generates a label for the specified item.
 

Method Detail

generateLabel

public java.lang.String generateLabel(CategoryDataset dataset,
                                      int series,
                                      int category)
Generates a label for the specified item. The label is typically a formatted version of the data value, but any text can be used.

Parameters:
dataset - the dataset (null not permitted).
series - the series index (zero-based).
category - the category index (zero-based).
Returns:
the label (possibly null).