Package org.apache.lucene.facet.taxonomy.directory

Taxonomy index implementation using on top of a Directory.

See: Description

Interface Summary

Interface	Description
DirectoryTaxonomyWriter.OrdinalMap	Mapping from old ordinal to new ordinals, used when merging indexes wit separate taxonomies.

Class Summary

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.DiskOrdinalMap	DirectoryTaxonomyWriter.OrdinalMap maintained on file system
DirectoryTaxonomyWriter.MemoryOrdinalMap	DirectoryTaxonomyWriter.OrdinalMap maintained in memory
ParallelTaxonomyArrays	Returns 3 arrays for traversing the taxonomy: parents: parents[i] denotes the parent of category ordinal i. children: children[i] denotes the youngest child of category ordinal i.

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

Taxonomy index implementation using on top of a Directory.