code: private GeometryIndexDao getGeometryIndexDao() throws SQLException {
  		if (geometryIndexDao == null) {
  			geometryIndexDao = DaoManager.createDao(connectionSource,
  					GeometryIndex.class);
  		}
  		return geometryIndexDao;
  	}
docs: Get or create a Geometry Index DAO
  
  @return geometry index dao
  @throws SQLException