# Package org.apache.lucene.backward_codecs.lucene50

package org.apache.lucene.backward_codecs.lucene50
Lucene 5.0 file format.

- Related Packages
  Package
  Description
  org.apache.lucene.backward_codecs
  Common APIs for use by backwards compatibility codecs.
  org.apache.lucene.backward_codecs.lucene50.compressing
  Lucene 5.0 compressing format.
- Class
  Description
  Lucene50CompoundFormat
  Lucene 5.0 compound file format
  Lucene50LiveDocsFormat
  Lucene 5.0 live docs format
  Lucene50PostingsFormat
  Lucene 5.0 postings format, which encodes postings in packed integer blocks for fast decode.
  Lucene50PostingsFormat.IntBlockTermState
  Holds all state required for `Lucene50PostingsReader` to produce a `PostingsEnum` without re-seeking the terms dict.
  Lucene50PostingsReader
  Concrete class that reads docId(maybe frq,pos,offset,payloads) list with postings format.
  Lucene50StoredFieldsFormat
  Lucene 5.0 stored fields format.
  Lucene50StoredFieldsFormat.Mode
  Configuration option for stored fields.
  Lucene50TermVectorsFormat
  Lucene 5.0 `term vectors format`.