}

    @Override
    public boolean isLocked() {
        failIfNotInResourceLockStateChange();
        return doIsLocked();
    }

    @Override
    public boolean isLockedByCurrentThread() {
        failIfNotInResourceLockStateChange();
        return doIsLockedByCurrentThread();
    }

    private void failIfNotInResourceLockStateChange() {
        if (coordinationService.getCurrent() == null) {