this.dataIndex = dataIndex;
    }

    /**
     * Returns the filter index name.
     * @return The filter index name.
     */
    public String getFilterIndex() {
        return filterIndex;
    }

    /**
     * Sets the filter index name.
     * @param filterIndex The filter index name.
     */
    public void setFilterIndex(final String filterIndex) {

     * @param crawlerConfig The crawler configuration.
     */
    public OpenSearchUrlFilterService(final OpenSearchCrawlerConfig crawlerConfig) {
        index = crawlerConfig.getFilterIndex();
        setNumberOfShards(crawlerConfig.getFilterShards());
        setNumberOfReplicas(crawlerConfig.getFilterReplicas());
    }

    /**
     * Creates a new instance of OpenSearchUrlFilterService.