/**
* Remove all references to anything we may have. We do this because (stupid) Swing seems to keep
* around lots of different references to thei component and/or it's frame. So when we do a
* window.dispose () this DataSourceHolder does not get gc'ed.
*/
public void dispose() {
if (frame != null) {
frame.dispose();
}
formulaDataSource = null;
frame = null;
dataSources = null;
}
