Examples with Bucket org.opensearch.search.aggregations.bucket.terms.Terms.Bucket used on opensource projects

Example 1 with Bucket

use of org.opensearch.search.aggregations.bucket.terms.Terms.Bucket in project fess by codelibs.

the class CrawlingInfoHelper method getSessionIdList.

public List<Map<String, String>> getSessionIdList(final SearchEngineClient searchEngineClient) {
    final FessConfig fessConfig = ComponentUtil.getFessConfig();
    return searchEngineClient.search(fessConfig.getIndexDocumentSearchIndex(), queryRequestBuilder -> {
        queryRequestBuilder.setQuery(QueryBuilders.matchAllQuery());
        final TermsAggregationBuilder termsBuilder = AggregationBuilders.terms(fessConfig.getIndexFieldSegment()).field(fessConfig.getIndexFieldSegment()).size(maxSessionIdsInList).order(BucketOrder.key(false));
        queryRequestBuilder.addAggregation(termsBuilder);
        queryRequestBuilder.setPreference(Constants.SEARCH_PREFERENCE_LOCAL);
        return true;
    }, (queryRequestBuilder, execTime, searchResponse) -> {
        final List<Map<String, String>> sessionIdList = new ArrayList<>();
        searchResponse.ifPresent(response -> {
            final Terms terms = response.getAggregations().get(fessConfig.getIndexFieldSegment());
            for (final Bucket bucket : terms.getBuckets()) {
                final Map<String, String> map = new HashMap<>(2);
                map.put(fessConfig.getIndexFieldSegment(), bucket.getKey().toString());
                map.put(FACET_COUNT_KEY, Long.toString(bucket.getDocCount()));
                sessionIdList.add(map);
            }
        });
        return sessionIdList;
    });
}