com.jrefinery.data
Class XYSeries

java.lang.Object
  com.jrefinery.data.Series
      com.jrefinery.data.XYSeries

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class XYSeries
extends Series

Represents a sequence of zero or more data pairs in the form (x, y).

See Also:

Serialized Form

Field Summary

protected java.util.List

data The list of data pairs in the series.

Fields inherited from class com.jrefinery.data.Series

description, listeners, name, propertyChangeSupport

Constructor Summary

XYSeries(java.lang.String name)
Constructs a new xy-series that contains no data.

Method Summary

void	add(double x, double y) Adds a data item to the series.
void	add(java.lang.Number x, java.lang.Number y) Adds new data to the series.
void	add(XYDataPair pair) Adds a data item to the series.
void	clear() Removes all data pairs from the series.
XYDataPair	getDataPair(int index) Return the data pair with the specified index.
int	getItemCount() Returns the number of items in the series.
java.lang.Number	getXValue(int index) Returns the x-value at the specified index.
java.lang.Number	getYValue(int index) Returns the y-value at the specified index.
void	update(int item, java.lang.Number y) Updates the value of an item in the series.

Methods inherited from class com.jrefinery.data.Series

addChangeListener, addPropertyChangeListener, clone, fireSeriesChanged, getDescription, getName, notifyListeners, removeChangeListener, removePropertyChangeListener, setDescription, setName

Methods inherited from class java.lang.Object

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

Field Detail

data

protected java.util.List data

The list of data pairs in the series.

Constructor Detail

XYSeries

public XYSeries(java.lang.String name)

Constructs a new xy-series that contains no data.

Parameters:

name - The series name.

Method Detail

getItemCount

public int getItemCount()

Returns the number of items in the series.

Returns:

The item count.

add

public void add(XYDataPair pair)
         throws SeriesException

Adds a data item to the series.

Parameters:

pair - The (x, y) pair.

Throws:

SeriesException

add

public void add(double x,
                double y)
         throws SeriesException

Adds a data item to the series.

Parameters:

x - The x value.

y - The y value.

Throws:

SeriesException

add

public void add(java.lang.Number x,
                java.lang.Number y)
         throws SeriesException

Adds new data to the series.

Throws an exception if the x-value is a duplicate.

Parameters:

x - The x-value.

y - The y-value.

Throws:

SeriesException

clear

public void clear()

Removes all data pairs from the series.

getDataPair

public XYDataPair getDataPair(int index)

Return the data pair with the specified index.

Parameters:

index - The index.

getXValue

public java.lang.Number getXValue(int index)

Returns the x-value at the specified index.

Parameters:

index - The index.

Returns:

The x-value.

getYValue

public java.lang.Number getYValue(int index)

Returns the y-value at the specified index.

Parameters:

index - The index.

Returns:

The y-value.

update

public void update(int item,
                   java.lang.Number y)

Updates the value of an item in the series.

Parameters:

index - The item (zero based index).

y - The new value.