use of org.elasticsearch.search.builder.SearchSourceBuilder in project graylog2-server by Graylog2.
the class ElasticsearchExportBackend method searchSourceBuilderFrom.
private SearchSourceBuilder searchSourceBuilderFrom(ExportMessagesCommand command) {
QueryBuilder query = queryFrom(command);
SearchSourceBuilder ssb = new SearchSourceBuilder().query(query).size(command.chunkSize()).sort(Message.FIELD_TIMESTAMP, SortOrder.ASC);
return requestStrategy.configure(ssb);
}
use of org.elasticsearch.search.builder.SearchSourceBuilder in project graylog2-server by Graylog2.
the class QuerySuggestionsES6 method suggest.
@Override
public SuggestionResponse suggest(SuggestionRequest req) {
final Set<String> affectedIndices = indexLookup.indexNamesForStreamsInTimeRange(req.streams(), req.timerange());
final SearchSourceBuilder search = new SearchSourceBuilder().query(QueryBuilders.prefixQuery(req.field(), req.input())).size(0).aggregation(AggregationBuilders.terms("fieldvalues").field(req.field()).size(req.size())).suggest(new SuggestBuilder().addSuggestion("corrections", SuggestBuilders.termSuggestion(req.field()).text(req.input()).size(req.size())));
final Search.Builder searchBuilder = new Search.Builder(search.toString()).addType(IndexMapping.TYPE_MESSAGE).addIndex(affectedIndices.isEmpty() ? Collections.singleton("") : affectedIndices).allowNoIndices(false).ignoreUnavailable(false);
try {
final SearchResult result = JestUtils.execute(jestClient, searchBuilder.build(), () -> "Unable to perform aggregation: ");
final TermsAggregation aggregation = result.getAggregations().getTermsAggregation("fieldvalues");
final List<SuggestionEntry> entries = aggregation.getBuckets().stream().map(b -> new SuggestionEntry(b.getKeyAsString(), b.getCount())).collect(Collectors.toList());
if (!entries.isEmpty()) {
return SuggestionResponse.forSuggestions(req.field(), req.input(), entries, aggregation.getSumOtherDocCount());
} else {
final List<SuggestionEntry> corrections = Optional.of(result.getJsonObject()).map(o -> o.get("suggest")).map(o -> o.get("corrections")).map(o -> o.get(0)).map(o -> o.get("options")).map(options -> StreamSupport.stream(Spliterators.spliteratorUnknownSize(options.elements(), Spliterator.ORDERED), false).map(option -> new SuggestionEntry(option.get("text").textValue(), option.get("freq").longValue())).collect(Collectors.toList())).orElseGet(Collections::emptyList);
return SuggestionResponse.forSuggestions(req.field(), req.input(), corrections, null);
}
} catch (Exception e) {
final SuggestionError err = SuggestionError.create(e.getClass().getSimpleName(), e.getMessage());
return SuggestionResponse.forError(req.field(), req.input(), err);
}
}
use of org.elasticsearch.search.builder.SearchSourceBuilder in project graylog2-server by Graylog2.
the class IndexToolsAdapterES6 method count.
@Override
public long count(Set<String> indices, Optional<Set<String>> includedStreams) {
final SearchSourceBuilder queryBuilder = new SearchSourceBuilder().query(buildStreamIdFilter(includedStreams));
final Count.Builder builder = new Count.Builder().query(queryBuilder.toString()).addIndex(indices).addType(IndexMapping.TYPE_MESSAGE).setParameter(Parameters.IGNORE_UNAVAILABLE, true);
final CountResult result = JestUtils.execute(jestClient, builder.build(), () -> "Unable to count documents of index.");
return result.getCount().longValue();
}
use of org.elasticsearch.search.builder.SearchSourceBuilder in project graylog2-server by Graylog2.
the class IndexToolsAdapterES6 method fieldHistogram.
@Override
public Map<DateTime, Map<String, Long>> fieldHistogram(String fieldName, Set<String> indices, Optional<Set<String>> includedStreams, long interval) {
final BoolQueryBuilder queryBuilder = buildStreamIdFilter(includedStreams);
final FilterAggregationBuilder the_filter = AggregationBuilders.filter(AGG_FILTER, queryBuilder).subAggregation(AggregationBuilders.dateHistogram(AGG_DATE_HISTOGRAM).field("timestamp").subAggregation(AggregationBuilders.terms(AGG_MESSAGE_FIELD).field(fieldName)).interval(interval).minDocCount(1L));
final SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder().query(QueryBuilders.matchAllQuery()).aggregation(the_filter);
final Search.Builder searchBuilder = new Search.Builder(searchSourceBuilder.toString()).addIndex(indices).addType(IndexMapping.TYPE_MESSAGE);
final SearchResult searchResult = JestUtils.execute(this.jestClient, searchBuilder.build(), () -> "Unable to retrieve field histogram.");
final FilterAggregation filterAggregation = searchResult.getAggregations().getFilterAggregation(AGG_FILTER);
final DateHistogramAggregation dateHistogram = filterAggregation.getDateHistogramAggregation(AGG_DATE_HISTOGRAM);
final List<DateHistogramAggregation.DateHistogram> histogramBuckets = dateHistogram.getBuckets();
final Map<DateTime, Map<String, Long>> result = Maps.newHashMapWithExpectedSize(histogramBuckets.size());
for (HistogramAggregation.Histogram bucket : histogramBuckets) {
final DateTime date = new DateTime(bucket.getKey()).toDateTime(DateTimeZone.UTC);
final TermsAggregation sourceFieldAgg = bucket.getTermsAggregation(AGG_MESSAGE_FIELD);
final List<TermsAggregation.Entry> termBuckets = sourceFieldAgg.getBuckets();
final HashMap<String, Long> termCounts = Maps.newHashMapWithExpectedSize(termBuckets.size());
for (TermsAggregation.Entry termBucket : termBuckets) {
termCounts.put(termBucket.getKeyAsString(), termBucket.getCount());
}
result.put(date, termCounts);
}
return ImmutableMap.copyOf(result);
}
use of org.elasticsearch.search.builder.SearchSourceBuilder in project graylog2-server by Graylog2.
the class ESMessageList method doGenerateQueryPart.
@Override
public void doGenerateQueryPart(SearchJob job, Query query, MessageList messageList, ESGeneratedQueryContext queryContext) {
final SearchSourceBuilder searchSourceBuilder = queryContext.searchSourceBuilder(messageList).size(messageList.limit()).from(messageList.offset());
applyHighlightingIfActivated(searchSourceBuilder, job, query);
final Set<String> effectiveStreamIds = messageList.effectiveStreams().isEmpty() ? query.usedStreamIds() : messageList.effectiveStreams();
if (!messageList.fields().isEmpty()) {
searchSourceBuilder.fetchSource(messageList.fields().toArray(new String[0]), new String[0]);
}
final List<Sort> sorts = firstNonNull(messageList.sort(), Collections.singletonList(Sort.create(Message.FIELD_TIMESTAMP, Sort.Order.DESC)));
sorts.forEach(sort -> {
final FieldSortBuilder fieldSort = SortBuilders.fieldSort(sort.field()).order(toSortOrder(sort.order()));
final Optional<String> fieldType = queryContext.fieldType(effectiveStreamIds, sort.field());
searchSourceBuilder.sort(fieldType.map(fieldSort::unmappedType).orElse(fieldSort));
});
}
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