private SearchRequestBuilder standardSearchRequest(
String query, Set<String> indices, int limit, int offset, TimeRange range, Sorting sort)
throws IndexHelper.InvalidRangeFormatException {
if (query == null || query.trim().isEmpty()) {
query = "*";
}
SearchRequestBuilder srb = c.prepareSearch();
srb.setIndices(indices.toArray(new String[] {}));
if (query.trim().equals("*")) {
srb.setQuery(matchAllQuery());
} else {
QueryStringQueryBuilder qs = queryString(query);
qs.allowLeadingWildcard(server.getConfiguration().isAllowLeadingWildcardSearches());
srb.setQuery(qs);
}
srb.setFrom(offset);
if (limit > 0) {
srb.setSize(limit);
}
if (range != null) {
srb.setFilter(IndexHelper.getTimestampRangeFilter(range));
}
if (sort != null) {
srb.addSort(sort.getField(), sort.asElastic());
}
return srb;
}
public HistogramResult histogram(
String query, Indexer.DateHistogramInterval interval, String filter, TimeRange range)
throws IndexHelper.InvalidRangeFormatException {
DateHistogramFacetBuilder fb =
FacetBuilders.dateHistogramFacet("histogram")
.field("timestamp")
.interval(interval.toString().toLowerCase());
fb.facetFilter(standardFilters(range, filter));
QueryStringQueryBuilder qs = queryString(query);
qs.allowLeadingWildcard(server.getConfiguration().isAllowLeadingWildcardSearches());
SearchRequestBuilder srb = c.prepareSearch();
srb.setIndices(IndexHelper.determineAffectedIndices(server, range).toArray(new String[] {}));
srb.setQuery(qs);
srb.addFacet(fb);
final SearchRequest request = srb.request();
SearchResponse r = c.search(request).actionGet();
return new DateHistogramResult(
(DateHistogramFacet) r.getFacets().facet("histogram"),
query,
request.source(),
interval,
r.getTook());
}