Package org.apache.lucene.facet.taxonomy.writercache

Improves indexing time by caching a map of CategoryPath to their Ordinal.

See: Description

Interface Summary

Interface	Description
TaxonomyWriterCache	TaxonomyWriterCache is a relatively simple interface for a cache of category->ordinal mappings, used in TaxonomyWriter implementations (such as DirectoryTaxonomyWriter).

Class Summary

Class	Description
LabelToOrdinal	Abstract class for storing Label->Ordinal mappings in a taxonomy.
LruTaxonomyWriterCache	LRU TaxonomyWriterCache - good choice for huge taxonomies.
NameHashIntCacheLRU	An LRU cache of mapping from name to int.
UTF8TaxonomyWriterCache	A "cache" that never frees memory, and stores labels in a BytesRefHash (utf-8 encoding).

Enum Summary

Enum	Description
LruTaxonomyWriterCache.LRUType	Determines cache type.

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

Improves indexing time by caching a map of CategoryPath to their Ordinal.