use of org.elasticsearch.search.aggregations.bucket.composite.CompositeValuesSourceBuilder 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);
});
}
Aggregations