## Package org.apache.lucene.facet.taxonomy.lucene

Taxonomy implemented using a Lucene-Index

See:
Description

Interface Summary
LuceneTaxonomyWriter.OrdinalMap: Mapping from old ordinal to new ordinals, used when merging indexes wit separate taxonomies.

Class Summary
LuceneTaxonomyReader: LuceneTaxonomyReader is a `TaxonomyReader` which retrieves stored taxonomy information from a separate Lucene index.
LuceneTaxonomyWriter: `TaxonomyWriter` which uses a Lucene index to store the taxonomy information on disk, and keeps an additional in-memory cache of some or all categories.
LuceneTaxonomyWriter.DiskOrdinalMap: `LuceneTaxonomyWriter.OrdinalMap` maintained on file system
LuceneTaxonomyWriter.MemoryOrdinalMap: `LuceneTaxonomyWriter.OrdinalMap` maintained in memory

## Package org.apache.lucene.facet.taxonomy.lucene Description

# Taxonomy implemented using a Lucene-Index

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