// Create a data source (this must be done in the display thread)
Display display = PlatformUI.getWorkbench().getDisplay();
display.syncExec(new Runnable() {public void run() {
  try {
    OdaDataSourceHandle ds =
      handle.getElementFactory().newOdaDataSource("myDSName", "myDSId");
   handle.addElement(ds, handle.getDataSources().getSlotID());
  } catch (ContentException e) {
    ExceptionUtil.handle(e);
  } catch (NameException e) {
    ExceptionUtil.handle(e);                
  }
}});