Uses of Package
org.apache.lucene.internal.hppc

Package
Description
Normalization of text before the tokenizer.
SmartChineseAnalyzer Hidden Markov Model package.
Basic, general-purpose analysis components.
A Java implementation of Hunspell stemming and spell-checking algorithms (Hunspell), and a stemming TokenFilter (HunspellStemFilter) based on it.
Tokenizer that breaks text into words with the Unicode Text Segmentation algorithm.
Analyzer for Japanese.
Abstract classes for morphological analyzers.
Analysis components for path-like strings such as filenames.
Analysis components for Synonyms.
Components from the Lucene 8.0 index format.
Lucene 9.0 file format.
Lucene 9.1 file format.
Lucene 9.2 file format.
Lucene 9.4 file format.
Lucene 9.5 file format.
Lucene 9.0 file format.
BlockTree terms dictionary.
Lucene 9.9 file format.
Postings format that can delegate to different formats per-field.
Simpletext Codec: writes human readable postings.
The logical representation of a Document for indexing and searching.
Faceted search.
Provides range faceting capabilities.
Taxonomy of Categories.
Code to maintain and access indices.
Internal copy of a subset of classes from the HPPC library.
Misc extensions of the Document/Field API.
Misc search implementations.
A simple query parser implemented with JavaCC.
This package contains several point types: BigIntegerPoint for 128-bit integers LatLonPoint for latitude/longitude geospatial points
Sandbox faceting: facet cutters, see FacetCutter for details.
Sandbox faceting: Range Faceting
Sandbox faceting: classes that can record per ordinal data E.g.
This package contains a flexible graph-based proximity query, TermAutomatonQuery, and geospatial queries.
Code to search indices.
Grouping.
Support for index-time and query-time joins.
Another highlighter implementation based on term vectors.
Shapes implemented using 3D planar geometry.
Finite-state automaton for regular expressions.
Block KD-tree, implementing the generic spatial data structure described in this paper.
Utility classes for working with token streams as graphs.
Navigable Small-World graph, nominally Hierarchical but currently only has a single layer.
Egothor stemmer API.