# Lucene 3.6.2 contrib-facet API

Provides faceted indexing and search capabilities (checkout the userguide).

See:
Description

Packages
org.apache.lucene.facet: Provides faceted indexing and search capabilities.
org.apache.lucene.facet.enhancements: Enhanced category features
org.apache.lucene.facet.enhancements.association: Association category enhancements
org.apache.lucene.facet.enhancements.params: Enhanced category features
org.apache.lucene.facet.index: Indexing of document categories
org.apache.lucene.facet.index.attributes: Category attributes and their properties for indexing
org.apache.lucene.facet.index.categorypolicy: Policies for indexing categories
org.apache.lucene.facet.index.params: Indexing-time specifications for handling facets
org.apache.lucene.facet.index.streaming: Expert: attributes streaming definition for indexing facets
org.apache.lucene.facet.search: Faceted Search API
org.apache.lucene.facet.search.aggregator: Aggregating Facets during Faceted Search
org.apache.lucene.facet.search.aggregator.association: Association-based aggregators.
org.apache.lucene.facet.search.cache: Caching to speed up facets accumulation.
org.apache.lucene.facet.search.params: Parameters for Faceted Search
org.apache.lucene.facet.search.params.association: Association-based Parameters for Faceted Search.
org.apache.lucene.facet.search.results: Results of Faceted Search
org.apache.lucene.facet.search.sampling: Sampling for facets accumulation
org.apache.lucene.facet.taxonomy: Taxonomy of Categories
org.apache.lucene.facet.taxonomy.directory: Taxonomy implemented using a Lucene-Index
org.apache.lucene.facet.taxonomy.writercache: Improves indexing time by caching a map of CategoryPath to their Ordinal
org.apache.lucene.facet.taxonomy.writercache.cl2o: Category->Ordinal caching implementation using an optimized data-structures
org.apache.lucene.facet.taxonomy.writercache.lru: An LRU cache implementation for the CategoryPath to Ordinal map
org.apache.lucene.facet.util: Various utilities for faceted search
org.apache.lucene.util
org.apache.lucene.util.collections: Various optimized Collections implementations.
org.apache.lucene.util.encoding: Offers various encoders and decoders for integers, as well as the mechanisms to create new ones.

Provides faceted indexing and search capabilities (checkout the userguide).