public abstract class DistinctValuesCollector<T> extends SimpleCollector
| Modifier and Type | Class and Description |
|---|---|
static class |
DistinctValuesCollector.GroupCount<T>
Returned by
getGroups(),
representing the value and set of distinct values for the group. |
| Constructor and Description |
|---|
DistinctValuesCollector() |
| Modifier and Type | Method and Description |
|---|---|
abstract List<DistinctValuesCollector.GroupCount<T>> |
getGroups()
Returns all unique values for each top N group.
|
boolean |
needsScores()
Indicates if document scores are needed by this collector.
|
collect, doSetNextReader, getLeafCollector, setScorerpublic DistinctValuesCollector()
public abstract List<DistinctValuesCollector.GroupCount<T>> getGroups()
public boolean needsScores()
Collectortrue if scores are needed.