org.apache.lucene.analysis.ja.JapaneseHiraganaUppercaseFilter

All Implemented Interfaces:: Closeable, AutoCloseable, Unwrappable<TokenStream>

public final class JapaneseHiraganaUppercaseFilter extends TokenFilter

A TokenFilter that normalizes small letters (捨て仮名) in hiragana into normal letters. For instance, "ちょっとまって" will be translated to "ちよつとまつて".

This filter is useful if you want to search against old style Japanese text such as patents, legal, contract policies, etc.

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

JapaneseHiraganaUppercaseFilter(TokenStream input)
Method Summary

Modifier and Type

Method

Description

boolean

incrementToken()

Methods inherited from class org.apache.lucene.analysis.TokenFilter
close, end, reset, 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 Details
- JapaneseHiraganaUppercaseFilter
  
  public JapaneseHiraganaUppercaseFilter(TokenStream input)
Method Details
- incrementToken
  
  public boolean incrementToken() throws IOException
  
  Specified by:
  
  incrementToken in class TokenStream
  
  Throws:
  
  IOException

Class JapaneseHiraganaUppercaseFilter

Nested Class Summary