private static final Logger LOG = LoggerFactory.getLogger(WhoisIpLookupProvider.class);
private static WhoisIpLookupProvider INSTANCE = new WhoisIpLookupProvider();
public static WhoisIpLookupProvider getInstance() {
return INSTANCE;
}
<BUG>protected LoadingCache<String, WhoisIpLookupResult> cache;
private boolean initialized = false;</BUG>
protected Meter lookupCount;
protected Timer lookupTiming;
public void initialize(MetricRegistry metrics) {

private static final Logger LOG = LoggerFactory.getLogger(WhoisIpLookupProvider.class);
private static WhoisIpLookupProvider INSTANCE = new WhoisIpLookupProvider();
public static WhoisIpLookupProvider getInstance() {
return INSTANCE;
}
protected LoadingCache<String, Map<String, Object>> cache;
private boolean initialized = false;
protected Meter lookupCount;
protected Timer lookupTiming;
public void initialize(MetricRegistry metrics) {
