# Package org.apache.lucene.backward_codecs.lucene84

package org.apache.lucene.backward_codecs.lucene84
Lucene 8.4 file format.

Related Packages
Package
Description
org.apache.lucene.backward_codecs
Common APIs for use by backwards compatibility codecs.
Classes
Class
Description
ForDeltaUtil
Utility class to encode/decode increasing sequences of 128 integers.
Lucene84Codec
Implements the Lucene 8.4 index format, with configurable per-field postings and docvalues formats.
Lucene84PostingsFormat
Lucene 5.0 postings format, which encodes postings in packed integer blocks for fast decode.
Lucene84PostingsFormat.IntBlockTermState
Holds all state required for `Lucene84PostingsReader` to produce a `PostingsEnum` without re-seeking the terms dict.
Lucene84PostingsReader
Concrete class that reads docId(maybe frq,pos,offset,payloads) list with postings format.
PForUtil
Utility class to encode sequences of 128 small positive integers.