com.jrefinery.data
Interface PieDataset
- All Superinterfaces:
- Dataset
- All Known Implementing Classes:
- DefaultPieDataset
- public interface PieDataset
- extends Dataset
The interface for a general-purpose dataset where values are associated with categories.
- Author:
- DG
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. |
getCategories
public java.util.List getCategories()
- Returns the categories in the dataset.
- Returns:
- the categories.
getValue
public 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.