AbstractDataSourceChangeEvent (JOSM)

java.lang.Object
- org.openstreetmap.josm.data.osm.AbstractDataSourceChangeEvent

All Implemented Interfaces:

DataSourceChangeEvent

Direct Known Subclasses:

DataSourceAddedEvent, DataSourceRemovedEvent
```
public abstract class AbstractDataSourceChangeEvent
extends java.lang.Object
implements DataSourceChangeEvent
```
The base class for data source change events

Since:

15609

Field Summary

Fields
Modifier and Type Field Description

private java.util.Set<DataSource> old

private DataSet source

Constructor Summary

Constructors
Modifier	Constructor	Description
`protected`	`AbstractDataSourceChangeEvent(DataSet source, java.util.Set<DataSource> old)`	Create a Data Source change event

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.util.Set<DataSource>`	`getOldDataSources()`	Gets the previous data source list
`DataSet`	`getSource()`	Gets the data set that triggered this selection event.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.openstreetmap.josm.data.osm.DataSourceChangeEvent
getAdded, getDataSources, getRemoved, isNop

- Field Detail
  - source
```
private final DataSet source
```
  - old
```
private final java.util.Set<DataSource> old
```
- Constructor Detail
  - AbstractDataSourceChangeEvent
```
protected AbstractDataSourceChangeEvent(DataSet source,
                                        java.util.Set<DataSource> old)
```
    Create a Data Source change event
    
    Parameters:
    
    source - The DataSet that is originating the change
    
    old - The previous set of DataSources
- Method Detail
  - getOldDataSources
```
public java.util.Set<DataSource> getOldDataSources()
```
    Description copied from interface: DataSourceChangeEvent
    
    Gets the previous data source list
    This collection cannot be modified and will not change.
    
    Specified by:
    
    getOldDataSources in interface DataSourceChangeEvent
    
    Returns:
    
    The old data source list
  - getSource
```
public DataSet getSource()
```
    Description copied from interface: DataSourceChangeEvent
    
    Gets the data set that triggered this selection event.
    
    Specified by:
    
    getSource in interface DataSourceChangeEvent
    
    Returns:
    
    The data set.