## Uses of Class
org.apache.lucene.index.SegmentInfo

- Packages that use SegmentInfo
  Package | Description
  --- | ---
  org.apache.lucene.codecs | Codecs API: API for customization of the encoding and structure of the index.
  org.apache.lucene.codecs.lucene90 | Lucene 9.0 file format.
  org.apache.lucene.codecs.lucene90.compressing | Lucene 9.0 compressing format.
  org.apache.lucene.codecs.lucene94 | Lucene 9.4 file format.
  org.apache.lucene.codecs.lucene99 | Lucene 9.9 file format.
  org.apache.lucene.index | Code to maintain and access indices.

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

    Methods in org.apache.lucene.codecs that return SegmentInfo
    Modifier and Type | Method | Description
    --- | --- | ---
    `abstract SegmentInfo` | SegmentInfoFormat.`read​(Directory directory, String segmentName, byte[] segmentID, IOContext context)` | Read `SegmentInfo` data from a directory.

    Methods in org.apache.lucene.codecs with parameters of type SegmentInfo
    Modifier and Type | Method | Description
    --- | --- | ---
    `abstract StoredFieldsReader` | StoredFieldsFormat.`fieldsReader​(Directory directory, SegmentInfo si, FieldInfos fn, IOContext context)` | Returns a `StoredFieldsReader` to load stored fields.
    `abstract StoredFieldsWriter` | StoredFieldsFormat.`fieldsWriter​(Directory directory, SegmentInfo si, IOContext context)` | Returns a `StoredFieldsWriter` to write stored fields.
    `abstract CompoundDirectory` | CompoundFormat.`getCompoundReader​(Directory dir, SegmentInfo si, IOContext context)` | Returns a Directory view (read-only) for the compound files in this segment
    `abstract FieldInfos` | FieldInfosFormat.`read​(Directory directory, SegmentInfo segmentInfo, String segmentSuffix, IOContext iocontext)` | Read the `FieldInfos` previously written with `FieldInfosFormat.write(org.apache.lucene.store.Directory, org.apache.lucene.index.SegmentInfo, java.lang.String, org.apache.lucene.index.FieldInfos, org.apache.lucene.store.IOContext)`.
    `abstract TermVectorsReader` | TermVectorsFormat.`vectorsReader​(Directory directory, SegmentInfo segmentInfo, FieldInfos fieldInfos, IOContext context)` | Returns a `TermVectorsReader` to read term vectors.
    `abstract TermVectorsWriter` | TermVectorsFormat.`vectorsWriter​(Directory directory, SegmentInfo segmentInfo, IOContext context)` | Returns a `TermVectorsWriter` to write term vectors.
    `abstract void` | CompoundFormat.`write​(Directory dir, SegmentInfo si, IOContext context)` | Packs the provided segment's files into a compound format.
    `abstract void` | FieldInfosFormat.`write​(Directory directory, SegmentInfo segmentInfo, String segmentSuffix, FieldInfos infos, IOContext context)` | Writes the provided `FieldInfos` to the directory.
    `abstract void` | SegmentInfoFormat.`write​(Directory dir, SegmentInfo info, IOContext ioContext)` | Write `SegmentInfo` data.

  - ### Uses of SegmentInfo in org.apache.lucene.codecs.lucene90

    Methods in org.apache.lucene.codecs.lucene90 with parameters of type SegmentInfo
    Modifier and Type | Method | Description
    --- | --- | ---
    `StoredFieldsReader` | Lucene90StoredFieldsFormat.`fieldsReader​(Directory directory, SegmentInfo si, FieldInfos fn, IOContext context)` |
    `StoredFieldsWriter` | Lucene90StoredFieldsFormat.`fieldsWriter​(Directory directory, SegmentInfo si, IOContext context)` |
    `CompoundDirectory` | Lucene90CompoundFormat.`getCompoundReader​(Directory dir, SegmentInfo si, IOContext context)` |
    `void` | Lucene90CompoundFormat.`write​(Directory dir, SegmentInfo si, IOContext context)` |

  - ### Uses of SegmentInfo in org.apache.lucene.codecs.lucene90.compressing

    Methods in org.apache.lucene.codecs.lucene90.compressing with parameters of type SegmentInfo
    Modifier and Type | Method | Description
    --- | --- | ---
    `StoredFieldsReader` | Lucene90CompressingStoredFieldsFormat.`fieldsReader​(Directory directory, SegmentInfo si, FieldInfos fn, IOContext context)` |
    `StoredFieldsWriter` | Lucene90CompressingStoredFieldsFormat.`fieldsWriter​(Directory directory, SegmentInfo si, IOContext context)` |
    `TermVectorsReader` | Lucene90CompressingTermVectorsFormat.`vectorsReader​(Directory directory, SegmentInfo segmentInfo, FieldInfos fieldInfos, IOContext context)` |
    `TermVectorsWriter` | Lucene90CompressingTermVectorsFormat.`vectorsWriter​(Directory directory, SegmentInfo segmentInfo, IOContext context)` |

    Constructors in org.apache.lucene.codecs.lucene90.compressing with parameters of type SegmentInfo
    Constructor | Description
    --- | ---
    `Lucene90CompressingStoredFieldsReader​(Directory d, SegmentInfo si, String segmentSuffix, FieldInfos fn, IOContext context, String formatName, CompressionMode compressionMode)` | Sole constructor.
    `Lucene90CompressingTermVectorsReader​(Directory d, SegmentInfo si, String segmentSuffix, FieldInfos fn, IOContext context, String formatName, CompressionMode compressionMode)` | Sole constructor.

  - ### Uses of SegmentInfo in org.apache.lucene.codecs.lucene94

    Methods in org.apache.lucene.codecs.lucene94 with parameters of type SegmentInfo
    Modifier and Type | Method | Description
    --- | --- | ---
    `FieldInfos` | Lucene94FieldInfosFormat.`read​(Directory directory, SegmentInfo segmentInfo, String segmentSuffix, IOContext context)` |
    `void` | Lucene94FieldInfosFormat.`write​(Directory directory, SegmentInfo segmentInfo, String segmentSuffix, FieldInfos infos, IOContext context)` |

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

    Methods in org.apache.lucene.codecs.lucene99 that return SegmentInfo
    Modifier and Type | Method | Description
    --- | --- | ---
    `SegmentInfo` | Lucene99SegmentInfoFormat.`read​(Directory dir, String segment, byte[] segmentID, IOContext context)` |

    Methods in org.apache.lucene.codecs.lucene99 with parameters of type SegmentInfo
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | Lucene99SegmentInfoFormat.`write​(Directory dir, SegmentInfo si, IOContext ioContext)` |

  - ### Uses of SegmentInfo in org.apache.lucene.index

    Fields in org.apache.lucene.index declared as SegmentInfo
    Modifier and Type | Field | Description
    --- | --- | ---
    `SegmentInfo` | SegmentCommitInfo.`info` | The `SegmentInfo` that we wrap.
    `SegmentInfo` | MergeState.`segmentInfo` | `SegmentInfo` of the newly merged segment.
    `SegmentInfo` | SegmentReadState.`segmentInfo` | `SegmentInfo` describing this segment.
    `SegmentInfo` | SegmentWriteState.`segmentInfo` | `SegmentInfo` describing this segment.

    Constructors in org.apache.lucene.index with parameters of type SegmentInfo
    Constructor | Description
    --- | ---
    `SegmentCommitInfo​(SegmentInfo info, int delCount, int softDelCount, long delGen, long fieldInfosGen, long docValuesGen, byte[] id)` | Sole constructor.
    `SegmentReadState​(Directory dir, SegmentInfo info, FieldInfos fieldInfos, IOContext context)` | Create a `SegmentReadState`.
    `SegmentReadState​(Directory dir, SegmentInfo info, FieldInfos fieldInfos, IOContext context, String segmentSuffix)` | Create a `SegmentReadState`.
    `SegmentWriteState​(InfoStream infoStream, Directory directory, SegmentInfo segmentInfo, FieldInfos fieldInfos, org.apache.lucene.index.BufferedUpdates segUpdates, IOContext context)` | Sole constructor.
    `SegmentWriteState​(InfoStream infoStream, Directory directory, SegmentInfo segmentInfo, FieldInfos fieldInfos, org.apache.lucene.index.BufferedUpdates segUpdates, IOContext context, String segmentSuffix)` | Constructor which takes segment suffix.