Package org.apache.lucene.analysis.miscellaneous

Class StemmerOverrideFilter

  • All Implemented Interfaces:
    Closeable, AutoCloseable
    public final class StemmerOverrideFilter
extends org.apache.lucene.analysis.TokenFilter
    Provides the ability to override any KeywordAttribute aware stemmer with custom dictionary-based stemming.

    • Nested Class Summary

      • Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource

        org.apache.lucene.util.AttributeSource.AttributeFactory, org.apache.lucene.util.AttributeSource.State

    • Field Summary

      • Fields inherited from class org.apache.lucene.analysis.TokenFilter

        input

    • Constructor Summary

      Constructors 
      Constructor Description
      StemmerOverrideFilter​(org.apache.lucene.util.Version matchVersion, org.apache.lucene.analysis.TokenStream input, Map<?,​String> dictionary)
      Create a new StemmerOverrideFilter, performing dictionary-based stemming with the provided dictionary.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean incrementToken()  

      • Methods inherited from class org.apache.lucene.analysis.TokenFilter

        close, end, reset

      • Methods inherited from class org.apache.lucene.util.AttributeSource

        addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, restoreState, toString

    • Constructor Detail

      • StemmerOverrideFilter

        public StemmerOverrideFilter​(org.apache.lucene.util.Version matchVersion,
                             org.apache.lucene.analysis.TokenStream input,
                             Map<?,​String> dictionary)
        Create a new StemmerOverrideFilter, performing dictionary-based stemming with the provided dictionary.

        Any dictionary-stemmed terms will be marked with KeywordAttribute so that they will not be stemmed with stemmers down the chain.

    • Method Detail

      • incrementToken

        public boolean incrementToken()
                       throws IOException
        Specified by:
        incrementToken in class org.apache.lucene.analysis.TokenStream
        Throws:
        IOException