Examples with DateHistogramBuilder org.elasticsearch.search.aggregations.bucket.histogram.DateHistogramBuilder used on opensource projects

Example 1 with DateHistogramBuilder

use of org.elasticsearch.search.aggregations.bucket.histogram.DateHistogramBuilder in project graylog2-server by Graylog2.

the class Searches method fieldHistogram.

public HistogramResult fieldHistogram(String query, String field, DateHistogramInterval interval, String filter, TimeRange range, boolean includeCardinality) throws FieldTypeException {
    final DateHistogramBuilder dateHistogramBuilder = AggregationBuilders.dateHistogram(AGG_HISTOGRAM).field("timestamp").subAggregation(AggregationBuilders.stats(AGG_STATS).field(field)).interval(interval.toESInterval());
    if (includeCardinality) {
        dateHistogramBuilder.subAggregation(AggregationBuilders.cardinality(AGG_CARDINALITY).field(field));
    }
    FilterAggregationBuilder builder = AggregationBuilders.filter(AGG_FILTER).subAggregation(dateHistogramBuilder).filter(standardAggregationFilters(range, filter));
    QueryStringQueryBuilder qs = queryStringQuery(query);
    qs.allowLeadingWildcard(configuration.isAllowLeadingWildcardSearches());
    SearchRequestBuilder srb = c.prepareSearch();
    final Set<String> affectedIndices = determineAffectedIndices(range, filter);
    srb.setIndices(affectedIndices.toArray(new String[affectedIndices.size()]));
    srb.setQuery(qs);
    srb.addAggregation(builder);
    SearchResponse r;
    final SearchRequest request = srb.request();
    try {
        r = c.search(request).actionGet();
    } catch (org.elasticsearch.action.search.SearchPhaseExecutionException e) {
        throw new FieldTypeException(e);
    }
    checkForFailedShards(r);
    recordEsMetrics(r, range);
    final Filter f = r.getAggregations().get(AGG_FILTER);
    return new FieldHistogramResult(f.getAggregations().get(AGG_HISTOGRAM), query, request.source(), interval, r.getTook());
}