org.jfree.data
Class DefaultValueDataset

java.lang.Object
  |
  +--org.jfree.data.AbstractDataset
        |
        +--org.jfree.data.DefaultValueDataset

All Implemented Interfaces:

Dataset, java.io.Serializable, Value, ValueDataset

public class DefaultValueDataset

extends AbstractDataset

implements ValueDataset, java.io.Serializable

A default implementation of the ValueDataset interface.

Author:

David Gilbert

See Also:

Serialized Form

Constructor Summary

DefaultValueDataset()
Constructs a new dataset, initially empty.

DefaultValueDataset(java.lang.Number value)
Creates a new dataset.

Method Summary

boolean	equals(java.lang.Object obj) Tests this dataset for equality with an arbitrary object.
java.lang.Number	getValue() Returns the value.
void	setValue(java.lang.Number value) Sets the value.

Methods inherited from class org.jfree.data.AbstractDataset

addChangeListener, fireDatasetChanged, getGroup, notifyListeners, removeChangeListener, setGroup

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jfree.data.Dataset

addChangeListener, getGroup, removeChangeListener, setGroup

Constructor Detail

DefaultValueDataset

public DefaultValueDataset()

Constructs a new dataset, initially empty.

DefaultValueDataset

public DefaultValueDataset(java.lang.Number value)

Creates a new dataset.

Parameters:

value - the initial value.

Method Detail

getValue

public java.lang.Number getValue()

Returns the value.

Specified by:

getValue in interface Value

Returns:

the value.

setValue

public void setValue(java.lang.Number value)

Sets the value. A DatasetChangeEvent is sent to all registered listeners.

Parameters:

value - the new value.

equals

public boolean equals(java.lang.Object obj)

Tests this dataset for equality with an arbitrary object.

Overrides:

equals in class java.lang.Object

Parameters:

obj - the object.

Returns:

A boolean.