public void close() {
    if (closed) {
      return;
    }
    if (logger.isDebugEnabled()) {
      logger.debug("Oplog::close: Store name ={} Oplog ID = {}", parent.getName(), oplogId);
    }

    basicClose(false);
  }
Call this when the cache is closed or region is destroyed. Deletes the lock files.
geode-core/src/main/java/org/apache/geode/internal/cache/Oplog.java