void updateGeomList(List<Geometry> list) {
            for (Geometry geom : list) {
                if (!isBatch(geom)) {
                    batchesByGeom.put(geom, this);
                }
            }
        }
update the batchesByGeom map for this batch with the given List of geometries

@param list
jme3-core/src/main/java/com/jme3/scene/BatchNode.java