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

- Packages that use org.apache.lucene.facet.taxonomy.writercache
  Package | Description
  --- | ---
  org.apache.lucene.facet.taxonomy.directory | Taxonomy index implementation using on top of a Directory.
  org.apache.lucene.facet.taxonomy.writercache | Improves indexing time by caching a map of CategoryPath to their Ordinal.

- Classes in org.apache.lucene.facet.taxonomy.writercache used by org.apache.lucene.facet.taxonomy.directory
  Class and Description
  TaxonomyWriterCache TaxonomyWriterCache is a relatively simple interface for a cache of category->ordinal mappings, used in TaxonomyWriter implementations (such as `DirectoryTaxonomyWriter`).

- Classes in org.apache.lucene.facet.taxonomy.writercache used by org.apache.lucene.facet.taxonomy.writercache
  Class and Description
  LabelToOrdinal Abstract class for storing Label->Ordinal mappings in a taxonomy.
  LruTaxonomyWriterCache.LRUType Determines cache type.
  TaxonomyWriterCache TaxonomyWriterCache is a relatively simple interface for a cache of category->ordinal mappings, used in TaxonomyWriter implementations (such as `DirectoryTaxonomyWriter`).

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