# Uses of Interface
org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.OrdinalMap

Packages that use DirectoryTaxonomyWriter.OrdinalMap
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.

## Uses of DirectoryTaxonomyWriter.OrdinalMap in org.apache.lucene.facet.taxonomy

Methods in org.apache.lucene.facet.taxonomy with parameters of type DirectoryTaxonomyWriter.OrdinalMap
Modifier and Type
Method
Description
`static void`
TaxonomyMergeUtils.`merge(Directory srcIndexDir, Directory srcTaxoDir, DirectoryTaxonomyWriter.OrdinalMap map, IndexWriter destIndexWriter, DirectoryTaxonomyWriter destTaxoWriter, FacetsConfig srcConfig)`
Merges the given taxonomy and index directories and commits the changes to the given writers.

## Uses of DirectoryTaxonomyWriter.OrdinalMap in org.apache.lucene.facet.taxonomy.directory

Classes in org.apache.lucene.facet.taxonomy.directory that implement DirectoryTaxonomyWriter.OrdinalMap
Modifier and Type
Class
Description
`static final class`
`DirectoryTaxonomyWriter.DiskOrdinalMap`
`DirectoryTaxonomyWriter.OrdinalMap` maintained on file system
`static final class`
`DirectoryTaxonomyWriter.MemoryOrdinalMap`
`DirectoryTaxonomyWriter.OrdinalMap` maintained in memory
Methods in org.apache.lucene.facet.taxonomy.directory with parameters of type DirectoryTaxonomyWriter.OrdinalMap
Modifier and Type
Method
Description
`void`
DirectoryTaxonomyWriter.`addTaxonomy(Directory taxoDir, DirectoryTaxonomyWriter.OrdinalMap map)`
Takes the categories from the given taxonomy directory, and adds the missing ones to this taxonomy.