DatasetChangeEvent

java.lang.Object
- java.util.EventObject
- - 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
  Modifier and Type Field Description
  
  private Dataset dataset
  The dataset that generated the change event.
  - Fields inherited from class java.util.EventObject
    source
- Constructor Summary
  
  Constructors
  Constructor Description
  
  DatasetChangeEvent(java.lang.Object source, Dataset dataset)
  Constructs a new event.
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  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

- Field Detail
  - dataset
```
private Dataset dataset
```
    The dataset that generated the change event.
- 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).