Uses of Package
org.apache.lucene.index

Packages that use org.apache.lucene.index
Package
Description
Analysis components based on ICU
Automatically filter high-frequency stopwords.
Analysis components for Synonyms using Word2Vec model.
Compressing helper classes.
BlockTree terms dictionary.
Lucene 5.0 file format.
Lucene 5.0 compressing format.
Lucene 6.0 file format.
Components from the Lucene 7.0 index format.
Components from the Lucene 8.0 index format.
Lucene 8.4 file format.
Lucene 8.6 file format.
Lucene 8.7 file 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.
Uses already seen data (the indexed documents) to classify an input ( can be simple text or a structured document).
Uses already seen data (the indexed documents) to classify new documents.
Utilities for evaluation, data preparation, etc.
Codecs API: API for customization of the encoding and structure of the index.
Pluggable term index / block terms dictionary implementations.
Same postings format as Lucene50, except the terms dictionary also supports ords, i.e.
Codec PostingsFormat for fast access to low-frequency terms such as primary key fields.
Compressing helper classes.
Lucene 9.0 file format.
BlockTree terms dictionary.
Lucene 9.0 compressing format.
Lucene 9.4 file format.
Lucene 9.5 file format.
Lucene 9.9 file format.
Term dictionary, DocValues or Postings formats that are read entirely into memory.
Postings format that can delegate to different formats per-field.
Simpletext Codec: writes human readable postings.
Pluggable term index / block terms dictionary implementations.
Pluggable term index / block terms dictionary implementations.
Unicode collation support.
The logical representation of a Document for indexing and searching.
Expressions.
Geospatial Utility Implementations for Lucene Core
Code to maintain and access indices.
High-performance single-document main memory Apache Lucene fulltext search index.
Internal bridges to package-private internals, for use by the lucene test framework only.
Miscellaneous Lucene utilities that don't really fit anywhere else.
Misc extensions of the Document/Field API.
Misc index tools and index support.
Misc search implementations.
Monitoring framework
Experimental classes for interacting with payloads
Filters and Queries that add to core Lucene.
Queries that compute score based upon a function.
FunctionValues for different data types.
A variety of functions to use with FunctionQuery.
Intervals queries
Document similarity query generators.
The payloads package provides Query mechanisms for finding and using payloads.
The calculus of spans.
A simple query parser implemented with JavaCC.
QueryParser which permits complex phrase query syntax eg "(john jon jonathan~) peters*"
This package contains SrndQuery and its subclasses.
A primary-key postings format that associates a version (long) with each term and can provide fail-fast lookups by ID and version.
This package contains several point types: BigIntegerPoint for 128-bit integers LatLonPoint for latitude/longitude geospatial points
Experimental index-related classes
Additional queries (some may have caveats or limitations)
This package contains a flexible graph-based proximity query, TermAutomatonQuery, and geospatial queries.
Code to search indices.
Comparators, used to compare hits so as to determine their sort order when collecting the top results with TopFieldCollector.
Grouping.
Highlighting search terms.
Support for index-time and query-time joins.
This package contains several components useful to build a highlighter on top of the Matches API.
This package contains the various ranking models that can be used in Lucene.
Suggest alternate spellings for words.
Support for Autocomplete/Autosuggest
Analyzer based autosuggest.
Support for document suggestion
The UnifiedHighlighter -- a flexible highlighter that can get offsets from postings, term vectors, or analysis.
Another highlighter implementation based on term vectors.
Lucene field & query support for the spatial geometry implemented in org.apache.lucene.spatial3d.geom.
Some utility classes.
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.