com.jrefinery.data
Class DefaultPieDataset

java.lang.Object
  com.jrefinery.data.AbstractDataset
      com.jrefinery.data.DefaultPieDataset

All Implemented Interfaces:

Dataset, PieDataset

Direct Known Subclasses:

JdbcPieDataset

public class DefaultPieDataset
extends AbstractDataset
implements PieDataset

A default implementation of the PieDataset interface.

Field Summary

protected java.util.List	keys Storage for keys
protected java.util.List	vals Storage for values

Fields inherited from class com.jrefinery.data.AbstractDataset

listeners

Constructor Summary

DefaultPieDataset()
Constructs a pie dataset, initially empty.

DefaultPieDataset(java.util.Collection values)
Constructs a pie dataset, and populates it with the given values.

DefaultPieDataset(java.lang.Number[] data)
Constructs a pie dataset and populates it with data from the array.

Method Summary

java.util.List	getCategories() Returns the categories in the dataset.
java.lang.Number	getValue(java.lang.Object category) Returns the data value for a category.
void	setValue(java.lang.Object category, java.lang.Number value) Sets the data value for one category in a series.

Methods inherited from class com.jrefinery.data.AbstractDataset

addChangeListener, fireDatasetChanged, notifyListeners, removeChangeListener

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.jrefinery.data.Dataset

addChangeListener, removeChangeListener

Field Detail

keys

protected java.util.List keys

Storage for keys

vals

protected java.util.List vals

Storage for values

Constructor Detail

DefaultPieDataset

public DefaultPieDataset()

Constructs a pie dataset, initially empty.

DefaultPieDataset

public DefaultPieDataset(java.lang.Number[] data)

Constructs a pie dataset and populates it with data from the array.

Parameters:

data - The data.

DefaultPieDataset

public DefaultPieDataset(java.util.Collection values)

Constructs a pie dataset, and populates it with the given values.

Parameters:

value - A collection of values.

Method Detail

getCategories

public java.util.List getCategories()

Returns the categories in the dataset.

Specified by:

getCategories in interface PieDataset

Returns:

The categories in the dataset.

getValue

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

Returns the data value for a category.

Specified by:

getValue in interface PieDataset

Parameters:

category - The required category.

Returns:

The data value for a category (null possible).

setValue

public void setValue(java.lang.Object category,
                     java.lang.Number value)

Sets the data value for one category in a series.

Parameters:

category - The category.

value - The value.