Examples with TermsValuesSourceBuilder org.elasticsearch.search.aggregations.bucket.composite.TermsValuesSourceBuilder used on opensource projects

Example 1 with TermsValuesSourceBuilder

use of org.elasticsearch.search.aggregations.bucket.composite.TermsValuesSourceBuilder in project openk9 by smclab.

the class SuggestionsHTTPHandler method customizeSearchSourceBuilderMono.

@Override
protected Mono<org.elasticsearch.action.search.SearchRequest> customizeSearchSourceBuilderMono(Tenant tenant, List<Datasource> datasources, SearchRequest searchRequest, List<PluginDriverDTO> documentTypeList, SearchSourceBuilder searchSourceBuilder, org.elasticsearch.action.search.SearchRequest elasticSearchQuery) {
    return Mono.defer(() -> {
        Long suggestionCategoryId = searchRequest.getSuggestionCategoryId();
        if (suggestionCategoryId == null) {
            return _datasourceClient.findSuggestionCategoryFieldsByTenantId(tenant.getTenantId());
        } else {
            return _datasourceClient.findSuggestionCategoryFieldsByTenantIdAndCategoryId(tenant.getTenantId(), suggestionCategoryId);
        }
    }).map(fields -> {
        if (!(fields == null || fields.isEmpty())) {
            Function<String, CompositeValuesSourceBuilder<?>> fieldToTerms = nameField -> new TermsValuesSourceBuilder(nameField).field(nameField).missingBucket(true);
            CompositeAggregationBuilder compositeAggregation = fields.stream().map(SuggestionCategoryField::getFieldName).map(fieldToTerms).collect(Collectors.collectingAndThen(Collectors.toList(), list -> AggregationBuilders.composite("composite", list)));
            String afterKey = searchRequest.getAfterKey();
            if (afterKey != null) {
                byte[] afterKeyDecoded = Base64.getDecoder().decode(afterKey);
                Map<String, Object> map = _jsonFactory.fromJsonMap(new String(afterKeyDecoded), Object.class);
                compositeAggregation.aggregateAfter(map);
            }
            int[] range = searchRequest.getRange();
            if (range != null && range.length == 2) {
                int size = range[1];
                compositeAggregation.size(size);
            }
            searchSourceBuilder.aggregation(compositeAggregation);
        }
        searchSourceBuilder.from(0);
        searchSourceBuilder.size(0);
        searchSourceBuilder.highlighter(null);
        return elasticSearchQuery.source(searchSourceBuilder);
    });
}