Package | Description |
---|---|
org.apache.lucene.search.grouping |
This module enables search result grouping with Lucene, where hits
with the same value in the specified single-valued group field are
grouped together.
|
Modifier and Type | Method and Description |
---|---|
Collection<SearchGroup<GROUP_VALUE_TYPE>> |
AbstractFirstPassGroupingCollector.getTopGroups(int groupOffset,
boolean fillFields)
Returns top groups, starting from offset.
|
static <T> Collection<SearchGroup<T>> |
SearchGroup.merge(List<Collection<SearchGroup<T>>> topGroups,
int offset,
int topN,
Sort groupSort)
Merges multiple collections of top groups, for example
obtained from separate index shards.
|
Modifier and Type | Method and Description |
---|---|
static <T> Collection<SearchGroup<T>> |
SearchGroup.merge(List<Collection<SearchGroup<T>>> topGroups,
int offset,
int topN,
Sort groupSort)
Merges multiple collections of top groups, for example
obtained from separate index shards.
|
Constructor and Description |
---|
AbstractSecondPassGroupingCollector(Collection<SearchGroup<GROUP_VALUE_TYPE>> groups,
Sort groupSort,
Sort withinGroupSort,
int maxDocsPerGroup,
boolean getScores,
boolean getMaxScores,
boolean fillSortFields) |
TermSecondPassGroupingCollector(String groupField,
Collection<SearchGroup<String>> groups,
Sort groupSort,
Sort withinGroupSort,
int maxDocsPerGroup,
boolean getScores,
boolean getMaxScores,
boolean fillSortFields) |