code: public void getEntitiesDescription( StringBuilder sb )
  	{
  		sb.append(toString());
  		sb.append("{");
  		synchronized (sessions)
  		{
  			if (!sessions.isEmpty())
  			{
  				int pos = 0;
  				Iterator<AbstractSession> sessionsIterator = sessions.values().iterator();
  				while (sessionsIterator.hasNext())
  				{
  					AbstractSession session = sessionsIterator.next();
  					if (pos++ > 0)
  						sb.append(",");
  					session.getEntitiesDescription(sb);
  				}
  			}
  		}
  		sb.append("}");
  	}
docs: Get a description of entities held by this object