KeywordRepeatFilter (Lucene 9.2.0 common API)

java.lang.Object
- org.apache.lucene.util.AttributeSource
- - org.apache.lucene.analysis.TokenStream
  - - org.apache.lucene.analysis.TokenFilter
    - - org.apache.lucene.analysis.miscellaneous.KeywordRepeatFilter

All Implemented Interfaces:

Closeable, AutoCloseable, Unwrappable<TokenStream>
```
public final class KeywordRepeatFilter
extends TokenFilter
```
This TokenFilter emits each incoming token twice once as keyword and once non-keyword, in other words once with KeywordAttribute.setKeyword(boolean) set to true and once set to false. This is useful if used with a stem filter that respects the KeywordAttribute to index the stemmed and the un-stemmed version of a term into the same field.

- Nested Class Summary
  - Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource
    AttributeSource.State
- Field Summary
  - Fields inherited from class org.apache.lucene.analysis.TokenFilter
    input
  - Fields inherited from class org.apache.lucene.analysis.TokenStream
    DEFAULT_TOKEN_ATTRIBUTE_FACTORY
- Constructor Summary
  
  Constructors
  Constructor Description
  
  KeywordRepeatFilter(TokenStream input)
  Construct a token stream filtering the given input.
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  boolean incrementToken()
  
  void reset()
  - Methods inherited from class org.apache.lucene.analysis.TokenFilter
    close, end, unwrap
  - Methods inherited from class org.apache.lucene.util.AttributeSource
    addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, endAttributes, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, removeAllAttributes, restoreState, toString
  - Methods inherited from class java.lang.Object
    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - KeywordRepeatFilter
```
public KeywordRepeatFilter(TokenStream input)
```
    Construct a token stream filtering the given input.
- Method Detail
  - incrementToken
```
public boolean incrementToken()
                       throws IOException
```
    Specified by:
    
    incrementToken in class TokenStream
    
    Throws:
    
    IOException
  - reset
```
public void reset()
           throws IOException
```
    Overrides:
    
    reset in class TokenFilter
    
    Throws:
    
    IOException