DocValuesOrdinalsReader (Lucene 8.1.0 API)

java.lang.Object
- org.apache.lucene.facet.taxonomy.OrdinalsReader
- - org.apache.lucene.facet.taxonomy.DocValuesOrdinalsReader

```
public class DocValuesOrdinalsReader
extends OrdinalsReader
```
Decodes ordinals previously indexed into a BinaryDocValues field

Nested Class Summary
- Nested classes/interfaces inherited from class org.apache.lucene.facet.taxonomy.OrdinalsReader
  OrdinalsReader.OrdinalsSegmentReader

Constructor Summary

Constructors
Constructor Description

DocValuesOrdinalsReader()
Default constructor.

DocValuesOrdinalsReader(String field)
Create this, with the specified indexed field name.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`decode(BytesRef buf, IntsRef ordinals)`	Subclass and override if you change the encoding.
`String`	`getIndexFieldName()`	Returns the indexed field name this `OrdinalsReader` is reading from.
`OrdinalsReader.OrdinalsSegmentReader`	`getReader(LeafReaderContext context)`	Set current atomic reader.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - DocValuesOrdinalsReader
```
public DocValuesOrdinalsReader()
```
    Default constructor.
  - DocValuesOrdinalsReader
```
public DocValuesOrdinalsReader(String field)
```
    Create this, with the specified indexed field name.
- Method Detail
  - getReader
```
public OrdinalsReader.OrdinalsSegmentReader getReader(LeafReaderContext context)
                                               throws IOException
```
    Description copied from class: OrdinalsReader
    
    Set current atomic reader.
    
    Specified by:
    
    getReader in class OrdinalsReader
    
    Throws:
    
    IOException
  - getIndexFieldName
```
public String getIndexFieldName()
```
    Description copied from class: OrdinalsReader
    
    Returns the indexed field name this OrdinalsReader is reading from.
    
    Specified by:
    
    getIndexFieldName in class OrdinalsReader
  - decode
```
protected void decode(BytesRef buf,
                      IntsRef ordinals)
```
    Subclass and override if you change the encoding.