// it's in fact an object creation
if(objectVertex==null) {
if (logger.isLoggable(Level.FINER)) {
logger.log(Level.FINER, "object "+objectVertexId.toString()+" has never before been seen in graph, so create central node for it");
}
objectVertex = database.addVertex(objectVertexId);
// As an aside, we add some indications regarding object id
objectVertex.setProperty(Properties.vertexId.name(), objectVertexId);
objectVertex.setProperty(Properties.kind.name(), nodeKind.name());
objectVertex.setProperty(Properties.type.name(), valueClass.getName());
}