Uses of Interface
org.apache.lucene.facet.search.Aggregator

Packages that use Aggregator

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.
org.apache.lucene.facet.search	Facets search code.

Uses of Aggregator in org.apache.lucene.facet.complements

Classes in org.apache.lucene.facet.complements that implement Aggregator

class

ComplementCountingAggregator A CountingAggregator used during complement counting.

Uses of Aggregator in org.apache.lucene.facet.search

Classes in org.apache.lucene.facet.search that implement Aggregator

class	CountingAggregator A CountingAggregator updates a counter array with the size of the whole taxonomy, counting the number of times each category appears in the given set of documents.
class	ScoringAggregator An Aggregator which updates the weight of a category according to the scores of the documents it was found in.

Methods in org.apache.lucene.facet.search that return Aggregator

Aggregator	FacetRequest.createAggregator(boolean useComplements, FacetArrays arrays, TaxonomyReader taxonomy) Create an aggregator for this facet request.
Aggregator	CountFacetRequest.createAggregator(boolean useComplements, FacetArrays arrays, TaxonomyReader taxonomy)
Aggregator	SumScoreFacetRequest.createAggregator(boolean useComplements, FacetArrays arrays, TaxonomyReader taxonomy)

Methods in org.apache.lucene.facet.search that return types with arguments of type Aggregator

protected HashMap<CategoryListIterator,Aggregator>

StandardFacetsAccumulator.getCategoryListMap(FacetArrays facetArrays, int partition) Create an Aggregator and a CategoryListIterator for each and every FacetRequest.