code: public static List<String> availableDomains(IDBAccess dbAccess) {
  		List<GrNode> resultList = loadAllDomainInfoNodes(dbAccess);
  		List<String> domains = new ArrayList<String>();
  		for (GrNode rNode : resultList) {
  			domains.add(rNode.getProperty(DomainInfoNameProperty).getValue().toString());
  		}
  		return domains;
  	}
docs: answer the names of available domains.
  @param dbAccess
  @return a list of names of available domains
  in the graph database accessed through dbAccess.