@Override
    public Collection<ActiveConnection> getAll(Collection<String> identifiers)
            throws GuacamoleException {
        Collection<TrackedActiveConnection> objects = activeConnectionService.retrieveObjects(getCurrentUser(), identifiers);
        return Collections.<ActiveConnection>unmodifiableCollection(objects);
    }
Service for retrieving and manipulating active connections.
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/activeconnection/ActiveConnectionDirectory.java