private void handleEmpty(boolean calledByCompactor) {
    lockCompactor();
    try {
      if (!calledByCompactor) {
        logger.info("Closing {} early since it is empty. It is for disk store {}.",
            new Object[] {getParent().getName(), toString()});
      }
      cancelKrf();
      close();
      deleteFiles(getHasDeletes());
      regionMap.close();
    } finally {
      unlockCompactor();
    }
  }
Return true if a record (crf or drf) has been added to this oplog
geode-core/src/main/java/org/apache/geode/internal/cache/Oplog.java