public int getSize(DBIDRef id) {
    if(csize == null) {
      csize = DataStoreUtil.makeIntegerStorage(ids, DataStoreFactory.HINT_HOT | DataStoreFactory.HINT_TEMP, 1);
    }
    return csize.intValue(id);
  }
public int getSize ( DBIDRef id ) { if ( csize == null ) { csize = DataStoreUtil . makeIntegerStorage ( ids , DataStoreFactory . HINT_HOT | DataStoreFactory . HINT_TEMP , 1 ) ; } return csize . intValue ( id ) ; }
Get the cluster size of the current object.

@param id Object id
@return Cluster size (initially 1).