cal.add(Calendar.HOUR, -6);
Query query = pm.newQuery(AuthenticationToken.class);
query.setFilter("activity < activityParam");
query.declareImports("import java.util.Date");
query.declareParameters("Date activityParam");
List<AuthenticationToken> objs = (List<AuthenticationToken>) query.execute(cal.getTime());
int c = objs.size();
String msg = user + " - There are " + c + " tokens to flush.";
log.log(Level.INFO, msg);
resp.getWriter().write(msg);
} finally {