}

    @Override
    public String getFilterIndex() {
        return ComponentUtil.getFessConfig().getIndexDocumentCrawlerIndex() + ".filter";
    }

    @Override
    public int getQueueShards() {
        return ComponentUtil.getFessConfig().getIndexDocumentCrawlerQueueNumberOfShardsAsInteger();
    }

    @Override
    public int getDataShards() {

    }

    public String getFilterIndex() {
        return filterIndex;
    }

    public void setFilterIndex(final String filterIndex) {
        this.filterIndex = filterIndex;
    }

    public int getQueueShards() {
        return queueShards;
    }

    public void setQueueShards(final int queueShards) {
        this.queueShards = queueShards;
    }

    public int getDataShards() {
        return dataShards;