private Query(final String indexName, QueryBuilder queryBuilder, String order_field, int resultCount) { //TODO: sort data using order_field // prepare request SearchRequestBuilder request = elasticsearchClient.prepareSearch(indexName) .setSearchType(SearchType.QUERY_THEN_FETCH) .setQuery(queryBuilder) .setFrom(0) .setSize(resultCount); request.clearRescorers(); // get response SearchResponse response = request.execute().actionGet(); hitCount = (int) response.getHits().getTotalHits(); // evaluate search result SearchHit[] hits = response.getHits().getHits(); this.result = new ArrayList<Map<String, Object>>(hitCount); for (SearchHit hit: hits) { Map<String, Object> map = hit.getSource(); this.result.add(map); } }
public LinkedHashMap<String, Long> fullDateHistogram(final String indexName, int timezoneOffset, String histogram_timefield) { // prepare request SearchRequestBuilder request = elasticsearchClient.prepareSearch(indexName) .setSearchType(SearchType.QUERY_THEN_FETCH) .setQuery(QueryBuilders.constantScoreQuery(QueryBuilders.matchAllQuery())) .setFrom(0) .setSize(0); request.clearRescorers(); request.addAggregation(AggregationBuilders.dateHistogram(histogram_timefield).field(histogram_timefield).timeZone("UTC").minDocCount(1).interval(DateHistogramInterval.DAY)); // get response SearchResponse response = request.execute().actionGet(); // evaluate date histogram: InternalHistogram<InternalHistogram.Bucket> dateCounts = response.getAggregations().get(histogram_timefield); LinkedHashMap<String, Long> list = new LinkedHashMap<>(); for (InternalHistogram.Bucket bucket : dateCounts.getBuckets()) { Calendar cal = Calendar.getInstance(DateParser.UTCtimeZone); org.joda.time.DateTime k = (org.joda.time.DateTime) bucket.getKey(); cal.setTime(k.toDate()); cal.add(Calendar.MINUTE, -timezoneOffset); long docCount = bucket.getDocCount(); list.put(DateParser.dayDateFormat.format(cal.getTime()), docCount); } return list; }
.setFrom(0) .setSize(resultCount); request.clearRescorers(); if (resultCount > 0) { request.addSort(
request.clearRescorers(); for (WebMapping field: aggregationFields) { request.addAggregation(AggregationBuilders.terms(field.getMapping().name()).field(field.getMapping().name()).minDocCount(1).size(aggregationLimit));