}
return null;
}
public Integer getUserCPUCount(EntityManager em) {
CPUInfo info = new CPUInfo();
Preferences pref = DbPreferences.root(this, info, em);
try {
Map<Integer, Integer> result = info.read(pref).getCounts();
if (!result.isEmpty()){
return result.keySet().iterator().next();
}
Logfile previous = getPreviousFromThisUser(em);
if (previous != null) {