## Uses of Class
org.apache.lucene.facet.search.CountingAggregator

Packages that use CountingAggregator
Package | Description
--- | ---
org.apache.lucene.facet.complements | Allows to cache the total counts of categories, so that during search which returns a large number of results (>60% of segment size), the complement set of matching documents is counted.

### Uses of CountingAggregator in org.apache.lucene.facet.complements

Subclasses of CountingAggregator in org.apache.lucene.facet.complements
Modifier and Type | Class and Description
--- | ---
`class` | `ComplementCountingAggregator` A `CountingAggregator` used during complement counting.