State currentState = state.get();

        if (currentState == State.OPEN && shouldAttemptReset()) {
            transitionTo(State.HALF_OPEN);
            currentState = State.HALF_OPEN;
        }

        if (currentState == State.OPEN) {
            throw new CircuitOpenException("Circuit breaker '" + name + "' is open");
        }

        // Invalidate all parent directories up to root
        String currentPath = path;
        while (currentPath != null && !currentPath.isEmpty()) {
            DirectoryCacheEntry entry = leaseManager.getCacheEntry(currentPath);
            if (entry != null) {
                entry.invalidate();
            }
            currentPath = getParentPath(currentPath);
        }
        
        // Invalidate all child directories

     */
    public <T> T call(Callable<T> callable, Callable<T> fallback) throws Exception {
        totalCalls.incrementAndGet();

        State currentState = evaluateState();

        if (currentState == State.OPEN) {
            rejectedCalls.incrementAndGet();
            if (fallback != null) {
                log.debug("Circuit breaker {} is open, using fallback", name);