final String dataPath =
                            getResourcePath(indexConfigPath, fessConfig.getFesenType(), "/" + configIndex + "/" + configType + ".bulk");
                    if (ResourceUtil.isExist(dataPath)) {
                        insertBulkData(fessConfig, indexName, dataPath, true);
                    }

    public boolean exists() throws SmbException {

        if (attrExpiration > System.currentTimeMillis()) {
            return isExists;
        }

        attributes = ATTR_READONLY | ATTR_DIRECTORY;
        createTime = 0L;
        lastModified = 0L;
        isExists = false;

        try {
            if (url.getHost().length() == 0) {} else if (share == null) {

            log.trace("Using cached attributes (expires in {}ms)", this.attrExpiration - currentTime);
            return this.isExists;
        }

        // Fast path for already resolved existence with recent cache
        if (this.isExists && (currentTime - (this.attrExpiration - getContext().getConfig().getAttributeCacheTimeout())) < 5000) {
            log.trace("Using recent positive existence cache");

        }
      }
      break;

    case tensorflow::AttrValue::kPlaceholder:
      metadata.is_list = 0;
      metadata.list_size = -1;
      metadata.type = TF_ATTR_PLACEHOLDER;
      metadata.total_size = -1;
      break;

    case tensorflow::AttrValue::kFunc:
      metadata.is_list = 0;
      metadata.list_size = -1;
      metadata.type = TF_ATTR_FUNC;
      metadata.total_size = -1;