public void saveStatus(){
  logger.info("Store instance status snapshots");
  File root=new File(new File(this.rootPath),STORAGE_DIR);
  File objFile=new File(root,OBJ_FILE_NAME);
  storeObject(objFile);
}

public void saveStatus ( ) { logger . info ( "Store instance status snapshots" ) ; File root = new File ( new File ( this . rootPath ) , STORAGE_DIR ) ; File objFile = new File ( root , OBJ_FILE_NAME ) ; storeObject ( objFile ) ; }
make the data persistent
