## Uses of Class
org.apache.lucene.util.packed.PackedInts.Reader

- Packages that use PackedInts.Reader
  Package | Description
  --- | ---
  org.apache.lucene.util.packed | Packed integer arrays and streams.

- - ### Uses of PackedInts.Reader in org.apache.lucene.util.packed

    Subclasses of PackedInts.Reader in org.apache.lucene.util.packed
    Modifier and Type | Class and Description
    --- | ---
    `class` | `GrowableWriter` Implements `PackedInts.Mutable`, but grows the bit count of the underlying packed ints on-demand.
    `static class` | `PackedInts.Mutable` A packed integer array that can be modified.
    `static class` | `PackedInts.NullReader` A `PackedInts.Reader` which has all its values equal to 0 (bitsPerValue = 0).

    Methods in org.apache.lucene.util.packed that return PackedInts.Reader
    Modifier and Type | Method and Description
    --- | ---
    `static PackedInts.Reader` | PackedInts.`getDirectReader(IndexInput in)` Construct a direct `PackedInts.Reader` from an `IndexInput`.
    `static PackedInts.Reader` | PackedInts.`getDirectReaderNoHeader(IndexInput in, PackedInts.Format format, int version, int valueCount, int bitsPerValue)` Expert: Construct a direct `PackedInts.Reader` from a stream without reading metadata at the beginning of the stream.
    `static PackedInts.Reader` | PackedInts.`getReader(DataInput in)` Restore a `PackedInts.Reader` from a stream.
    `static PackedInts.Reader` | PackedInts.`getReaderNoHeader(DataInput in, PackedInts.Format format, int version, int valueCount, int bitsPerValue)` Expert: Restore a `PackedInts.Reader` from a stream without reading metadata at the beginning of the stream.

    Methods in org.apache.lucene.util.packed with parameters of type PackedInts.Reader
    Modifier and Type | Method and Description
    --- | ---
    `static void` | PackedInts.`copy(PackedInts.Reader src, int srcPos, PackedInts.Mutable dest, int destPos, int len, int mem)` Copy `src[srcPos:srcPos+len]` into `dest[destPos:destPos+len]` using at most `mem` bytes.

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