*/
@ThreadSafe
@ServiceScope(Scope.Global.class)
public interface DaemonRegistry {

    List<DaemonInfo> getAll();
    List<DaemonInfo> getIdle();
    List<DaemonInfo> getNotIdle();
    List<DaemonInfo> getCanceled();

    void store(DaemonInfo info);
    void remove(Address address);
    void markState(Address address, State state);

    void storeStopEvent(DaemonStopEvent stopEvent);

        return daemonInfosOfEntriesMatching(idleSpec);
    }

    public List<DaemonInfo> getNotIdle() {
        return daemonInfosOfEntriesMatching(busySpec);
    }

    public List<DaemonInfo> getCanceled() {
        return daemonInfosOfEntriesMatching(canceledSpec);
    }

    @Override
    public void store(DaemonInfo info) {
        daemonInfos.put(info.getAddress(), info);
    }

    @Override

            public boolean isSatisfiedBy(DaemonInfo daemonInfo) {
                return daemonInfo.getState() != Idle;
            }
        });
    }

    @Override
    public List<DaemonInfo> getCanceled() {
        return getDaemonsMatching(new Spec<DaemonInfo>() {
            @Override
            public boolean isSatisfiedBy(DaemonInfo daemonInfo) {
                return daemonInfo.getState() == Canceled;