## Uses of Class
org.apache.lucene.codecs.PostingsFormat

- Packages that use PostingsFormat
  Package | Description
  --- | ---
  org.apache.lucene.codecs | Codecs API: API for customization of the encoding and structure of the index.
  org.apache.lucene.codecs.lucene99 | Lucene 9.9 file format.
  org.apache.lucene.codecs.perfield | Postings format that can delegate to different formats per-field.

- - ### Uses of PostingsFormat in org.apache.lucene.codecs

    Fields in org.apache.lucene.codecs declared as PostingsFormat
    Modifier and Type | Field | Description
    --- | --- | ---
    `static PostingsFormat[]` | PostingsFormat.`EMPTY` | Zero-length `PostingsFormat` array.

    Methods in org.apache.lucene.codecs that return PostingsFormat
    Modifier and Type | Method | Description
    --- | --- | ---
    `static PostingsFormat` | PostingsFormat.`forName​(String name)` | looks up a format by name
    `abstract PostingsFormat` | Codec.`postingsFormat()` | Encodes/decodes postings
    `PostingsFormat` | FilterCodec.`postingsFormat()` |

  - ### Uses of PostingsFormat in org.apache.lucene.codecs.lucene99

    Subclasses of PostingsFormat in org.apache.lucene.codecs.lucene99
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `Lucene99PostingsFormat` | Lucene 9.9 postings format, which encodes postings in packed integer blocks for fast decode.

    Methods in org.apache.lucene.codecs.lucene99 that return PostingsFormat
    Modifier and Type | Method | Description
    --- | --- | ---
    `PostingsFormat` | Lucene99Codec.`getPostingsFormatForField​(String field)` | Returns the postings format that should be used for writing new segments of `field`.
    `PostingsFormat` | Lucene99Codec.`postingsFormat()` |

  - ### Uses of PostingsFormat in org.apache.lucene.codecs.perfield

    Subclasses of PostingsFormat in org.apache.lucene.codecs.perfield
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `PerFieldPostingsFormat` | Enables per field postings support.

    Methods in org.apache.lucene.codecs.perfield that return PostingsFormat
    Modifier and Type | Method | Description
    --- | --- | ---
    `abstract PostingsFormat` | PerFieldPostingsFormat.`getPostingsFormatForField​(String field)` | Returns the postings format that should be used for writing new segments of `field`.