vertices.put(project.getVersion(), graph.addVertex(projectId));
        }

        for (Vertex projectVertex : graph.getVertices()) {
            String projectId = projectVertex.getLabel();

            MavenProject project = projectMap.get(projectId);

    public MetadataGraphVertex getEntry() {
        return entry;
    }

    public void setEntry(MetadataGraphVertex entry) {
        this.entry = entry;
    }

    public TreeSet<MetadataGraphVertex> getVertices() {
        return vertices;
    }

    public List<MetadataGraphEdge> getIncidentEdges(MetadataGraphVertex vertex) {
        checkEdges();
        return incidentEdges.get(vertex);
    }