* This class is thread-safe.
 */
public class HostIntervalController extends DefaultIntervalController {

    /** Map storing the last access time for each host. */
    private final ConcurrentMap<String, AtomicLong> lastTimes = new ConcurrentHashMap<>();

    /**
     * Constructs a new HostIntervalController with default parameters.
     */
    public HostIntervalController() {
    }

    /**