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");
        }

      }
    }

    private void scanDirectory(File directory, ImmutableSet.Builder<ResourceInfo> builder)
        throws IOException {
      Set<File> currentPath = new HashSet<>();
      currentPath.add(directory.getCanonicalFile());
      scanDirectory(directory, "", currentPath, builder);
    }

    /**
     * Recursively scan the given directory, adding resources for each file encountered. Symlinks

        // 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);

        totalPoms++;
        Set<Object> visited = new HashSet<>();
        processModelNode(model, "/project", "project", visited);
    }

    private void processModelNode(Object node, String currentPath, String elementName, Set<Object> visited) {
        if (node == null || !visited.add(node)) {
            return;
        }

        Class<?> clazz = node.getClass();