*/
    public MetadataGraph(MetadataGraphVertex entry) throws MetadataResolutionException {
        checkVertex(entry);
        checkVertices(1);

        entry.setCompareVersion(versionedVertices);
        entry.setCompareScope(scopedVertices);

        vertices.add(entry);
        this.entry = entry;
    }
    // ------------------------------------------------------------------------
    /**
     * construct graph from a "dirty" tree

    public void setCompareVersion(boolean compareVersion) {
        this.compareVersion = compareVersion;
    }

    public boolean isCompareScope() {
        return compareScope;
    }

    public void setCompareScope(boolean compareScope) {
        this.compareScope = compareScope;
    }

    // ---------------------------------------------------------------------
    @Override
    public String toString() {