private void setGraphIRI( final DatasetGraph dataset )
{
final Graph g = dataset.getDefaultGraph();
if (g instanceof SecuredGraph)
{
final SecuredGraph sg = (SecuredGraph) g;
graphIRI = sg.getModelNode();
this.securityEvaluator = sg.getSecurityEvaluator();
}
else
{
graphIRI = new SecNode(Type.URI, "urn:x-arq:DefaultGraph");
this.securityEvaluator = new SecurityEvaluator() {