String query = "*";
        int allRecordCount = 1000;
        int pageSize = 10;
        try (RankFusionProcessor rankFusionProcessor = new RankFusionProcessor()) {
            rankFusionProcessor.setSeacher(new TestMainSearcher(allRecordCount));
            rankFusionProcessor.init();

            if (rankFusionProcessor.search(query, new TestSearchRequestParams(0, pageSize, 0),

            return parent.equals(obj);
        }

        @Override
        public String toString() {
            return parent.toString();
        }
    }

    public void setSeacher(final RankFusionSearcher searcher) {
        this.searchers[0] = searcher;
    }

    public void register(final RankFusionSearcher searcher) {
        if (logger.isDebugEnabled()) {