# Uses of Class
org.apache.lucene.codecs.blockterms.TermsIndexWriterBase

Packages that use TermsIndexWriterBase
Package
Description
org.apache.lucene.codecs.blockterms
Pluggable term index / block terms dictionary implementations.

- ## Uses of TermsIndexWriterBase in org.apache.lucene.codecs.blockterms

  Subclasses of TermsIndexWriterBase in org.apache.lucene.codecs.blockterms
  Modifier and Type
  Class
  Description
  `class`
  `FixedGapTermsIndexWriter`
  Selects every Nth term as and index term, and hold term bytes (mostly) fully expanded in memory.
  `class`
  `VariableGapTermsIndexWriter`
  Selects index terms according to provided pluggable `VariableGapTermsIndexWriter.IndexTermSelector`, and stores them in a prefix trie that's loaded entirely in RAM stored as an FST.
  Constructors in org.apache.lucene.codecs.blockterms with parameters of type TermsIndexWriterBase
  Modifier
  Constructor
  Description
  ``
  `BlockTermsWriter(TermsIndexWriterBase termsIndexWriter, SegmentWriteState state, PostingsWriterBase postingsWriter)`