return sortedProjects.size() > 1;
    }

    public List<String> getDependents(String id) {
        return graph.getVertex(id).getParents().stream().map(Vertex::getLabel).collect(Collectors.toList());
    }

    public List<String> getDependencies(String id) {
        return graph.getVertex(id).getChildren().stream().map(Vertex::getLabel).collect(Collectors.toList());
    }