/** @return A non-<code>null</code> but maybe empty set with all currently logged in user IDs. */
@Nonnull
@ReturnsMutableCopy
public Set<String> getAllLoggedInUserIDs() {
m_aRWLock.readLock().lock();
try {
return CollectionHelper.newSet(m_aLoggedInUsers.keySet());
} finally {
m_aRWLock.readLock().unlock();
}
}
@Nonnull
@ReturnsMutableCopy
public Set<KEYTYPE> getAllAttributeNames() {
return CollectionHelper.newSet(m_aAttrs.keySet());
}