public void start(BundleContext context) throws Exception {
DbAccess dbAccess = new DbAccess();
DbSelect dbSelect = new DbSelect();
dbSelect.setDbAccess(dbAccess);
dbSelect.setContext(context);
SelectCommand selectCommand = new SelectCommand();
selectCommand.setDbSelect(dbSelect);
context.registerService(Action.class.getName(), selectCommand, new Hashtable<String, String>());
}