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org.jfree.data.general
Class DatasetChangeEvent

java.lang.Object
  extended by java.util.EventObject
      extended by org.jfree.data.general.DatasetChangeEvent
All Implemented Interfaces:
java.io.Serializable

public class DatasetChangeEvent
extends java.util.EventObject

A change event that encapsulates information about a change to a dataset.

See Also:
Serialized Form

Field Summary
 
Fields inherited from class java.util.EventObject
source
 
Constructor Summary
DatasetChangeEvent(java.lang.Object source, Dataset dataset)
          Constructs a new event.
 
Method Summary
 Dataset getDataset()
          Returns the dataset that generated the event.
 
Methods inherited from class java.util.EventObject
getSource, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

DatasetChangeEvent

public DatasetChangeEvent(java.lang.Object source,
                          Dataset dataset)
Constructs a new event. The source is either the dataset or the Plot class. The dataset can be null (in this case the source will be the Plot class).

Parameters:
source - the source of the event.
dataset - the dataset that generated the event (null permitted).
Method Detail

getDataset

public Dataset getDataset()
Returns the dataset that generated the event. Note that the dataset may be null since adding a null dataset to a plot will generated a change event.

Returns:
The dataset (possibly null).

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