Package org.apache.lucene.facet.taxonomy.directory
Taxonomy index implementation using on top of a Directory.
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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 ATaxonomyReader
which retrieves stored taxonomy information from aDirectory
.DirectoryTaxonomyWriter TaxonomyWriter
which uses aDirectory
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 systemDirectoryTaxonomyWriter.MemoryOrdinalMap DirectoryTaxonomyWriter.OrdinalMap
maintained in memory