cacheResetButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
IReviewboardClientRepository rbClientRepository = ReviewboardClientRepository.getSingletonInstance();
if( null != rbClientRepository ){
rbClientRepository.resetCache();
}
MessageDialog.openInformation( getShell(),
RbCoreMessages.getString("TITLE_INFORMATION"),
RbCoreMessages.getString("CACHE_RESET_ALREADY"));
}