in sample-app/src/main/java/org/apache/logging/audit/RequestContext.java [69:77]
public static String getRequestId() {
String uuidStr = ThreadContext.get(REQUEST_ID);
UUID uuid;
if (uuidStr == null) {
uuid = UuidUtil.getTimeBasedUuid();
ThreadContext.put(REQUEST_ID, uuid.toString());
}
return uuidStr;
}