final Set<String> levels = filter.getLevelsSet();
if (levels.size() > 0) {
predicates.add(new Predicate<PaxLoggingEvent>() {
@Override
public boolean matches(PaxLoggingEvent event) {
PaxLevel level = event.getLevel();
return level != null && levels.contains(level.toString());
}
});
}
final Long before = filter.getBeforeTimestamp();
if (before != null) {