org.jfree.data

Interface Values

All Known Subinterfaces:

KeyedValues, KeyedValuesDataset, PieDataset

All Known Implementing Classes:

CategoryToPieDataset, DefaultKeyedValues, DefaultKeyedValuesDataset, DefaultPieDataset, JDBCPieDataset

public interface Values

An interface through which (single-dimension) data values can be accessed.

Method Summary

Modifier and Type	Method and Description
int	getItemCount() Returns the number of items (values) in the collection.
java.lang.Number	getValue(int index) Returns the value with the specified index.

Method Detail

getItemCount

int getItemCount()

Returns the number of items (values) in the collection.

Returns:

The item count (possibly zero).

getValue

java.lang.Number getValue(int index)

Returns the value with the specified index.

Parameters:

index - the item index (in the range 0 to getItemCount() - 1).

Returns:

The value (possibly null).

Throws:

java.lang.IndexOutOfBoundsException - if index is not in the specified range.