# Uses of Package
org.apache.lucene.facet.taxonomy.directory

Packages that use org.apache.lucene.facet.taxonomy.directory
Package
Description
org.apache.lucene.facet.taxonomy
Taxonomy of Categories.
org.apache.lucene.facet.taxonomy.directory
Taxonomy index implementation using on top of a Directory.

Classes in org.apache.lucene.facet.taxonomy.directory used by org.apache.lucene.facet.taxonomy
Class
Description
DirectoryTaxonomyReader
A `TaxonomyReader` which retrieves stored taxonomy information from a `Directory`.
DirectoryTaxonomyWriter
`TaxonomyWriter` which uses a `Directory` to store the taxonomy information on disk, and keeps an additional in-memory cache of some or all categories.
DirectoryTaxonomyWriter.OrdinalMap
Mapping from old ordinal to new ordinals, used when merging indexes with separate taxonomies.
Classes in org.apache.lucene.facet.taxonomy.directory used by org.apache.lucene.facet.taxonomy.directory
Class
Description
DirectoryTaxonomyReader
A `TaxonomyReader` which retrieves stored taxonomy information from a `Directory`.
DirectoryTaxonomyWriter
`TaxonomyWriter` which uses a `Directory` to store the taxonomy information on disk, and keeps an additional in-memory cache of some or all categories.
DirectoryTaxonomyWriter.OrdinalMap
Mapping from old ordinal to new ordinals, used when merging indexes with separate taxonomies.