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

- Packages that use DocValuesProducer
  Package | Description
  --- | ---
  org.apache.lucene.codecs | Codecs API: API for customization of the encoding and structure of the index.
  org.apache.lucene.codecs.lucene70 | Lucene 7.0 file format.
  org.apache.lucene.codecs.perfield | Postings format that can delegate to different formats per-field.
  org.apache.lucene.index | Code to maintain and access indices.

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

    Methods in org.apache.lucene.codecs that return DocValuesProducer
    Modifier and Type | Method and Description
    --- | ---
    `abstract DocValuesProducer` | DocValuesFormat.`fieldsProducer(SegmentReadState state)` Returns a `DocValuesProducer` to read docvalues from the index.
    `DocValuesProducer` | DocValuesProducer.`getMergeInstance()` Returns an instance optimized for merging.

    Methods in org.apache.lucene.codecs with parameters of type DocValuesProducer
    Modifier and Type | Method and Description
    --- | ---
    `abstract void` | DocValuesConsumer.`addBinaryField(FieldInfo field, DocValuesProducer valuesProducer)` Writes binary docvalues for a field.
    `abstract void` | DocValuesConsumer.`addNumericField(FieldInfo field, DocValuesProducer valuesProducer)` Writes numeric docvalues for a field.
    `abstract void` | DocValuesConsumer.`addSortedField(FieldInfo field, DocValuesProducer valuesProducer)` Writes pre-sorted binary docvalues for a field.
    `abstract void` | DocValuesConsumer.`addSortedNumericField(FieldInfo field, DocValuesProducer valuesProducer)` Writes pre-sorted numeric docvalues for a field
    `abstract void` | DocValuesConsumer.`addSortedSetField(FieldInfo field, DocValuesProducer valuesProducer)` Writes pre-sorted set docvalues for a field
    `static Iterable<BytesRef>` | LegacyDocValuesIterables.`binaryIterable(FieldInfo field, DocValuesProducer valuesProducer, int maxDoc)` Deprecated. Consume `BinaryDocValues` instead.
    `static Iterable<Number>` | LegacyDocValuesIterables.`numericIterable(FieldInfo field, DocValuesProducer valuesProducer, int maxDoc)` Deprecated. Consume `NumericDocValues` instead.
    `static Iterable<Number>` | LegacyDocValuesIterables.`sortedNumericToDocCount(DocValuesProducer valuesProducer, FieldInfo fieldInfo, int maxDoc)` Deprecated. Consume `SortedDocValues` instead.
    `static Iterable<Number>` | LegacyDocValuesIterables.`sortedNumericToValues(DocValuesProducer valuesProducer, FieldInfo fieldInfo)` Deprecated. Consume `SortedDocValues` instead.
    `static Iterable<Number>` | LegacyDocValuesIterables.`sortedOrdIterable(DocValuesProducer valuesProducer, FieldInfo fieldInfo, int maxDoc)` Deprecated. Consume `SortedDocValues` instead.
    `static Iterable<Number>` | LegacyDocValuesIterables.`sortedSetOrdCountIterable(DocValuesProducer valuesProducer, FieldInfo fieldInfo, int maxDoc)` Deprecated. Consume `SortedSetDocValues` instead.
    `static Iterable<Number>` | LegacyDocValuesIterables.`sortedSetOrdsIterable(DocValuesProducer valuesProducer, FieldInfo fieldInfo)` Deprecated. Consume `SortedSetDocValues` instead.

  - ### Uses of DocValuesProducer in org.apache.lucene.codecs.lucene70

    Methods in org.apache.lucene.codecs.lucene70 that return DocValuesProducer
    Modifier and Type | Method and Description
    --- | ---
    `DocValuesProducer` | Lucene70DocValuesFormat.`fieldsProducer(SegmentReadState state)`

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

    Methods in org.apache.lucene.codecs.perfield that return DocValuesProducer
    Modifier and Type | Method and Description
    --- | ---
    `DocValuesProducer` | PerFieldDocValuesFormat.`fieldsProducer(SegmentReadState state)`

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

    Subclasses of DocValuesProducer in org.apache.lucene.index
    Modifier and Type | Class and Description
    --- | ---
    `class` | `EmptyDocValuesProducer` Abstrast base class implementing a `DocValuesProducer` that has no doc values.

    Fields in org.apache.lucene.index declared as DocValuesProducer
    Modifier and Type | Field and Description
    --- | ---
    `DocValuesProducer[]` | MergeState.`docValuesProducers` DocValues producers being merged

    Methods in org.apache.lucene.index that return DocValuesProducer
    Modifier and Type | Method and Description
    --- | ---
    `DocValuesProducer` | SegmentReader.`getDocValuesReader()`
    `DocValuesProducer` | FilterCodecReader.`getDocValuesReader()`
    `abstract DocValuesProducer` | CodecReader.`getDocValuesReader()` Expert: retrieve underlying DocValuesProducer

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