com.jrefinery.data
Interface PieDataset

All Superinterfaces:

Dataset

All Known Implementing Classes:

DefaultPieDataset, JdbcPieDataset

public interface PieDataset
extends Dataset

The interface for a general-purpose dataset where values are associated with categories.

Method Summary

java.util.List	getCategories() Returns the categories in the dataset.
java.lang.Number	getValue(java.lang.Object category) Returns the value for a category.

Methods inherited from interface com.jrefinery.data.Dataset

addChangeListener, removeChangeListener

Method Detail

getCategories

java.util.List getCategories()

Returns the categories in the dataset.

Returns:

The categories.

getValue

java.lang.Number getValue(java.lang.Object category)

Returns the value for a category.

This method should return null if the category is not found.

Parameters:

category - The category.

Returns:

The value.