Examples of org.apache.lucene.util.AttributeSource.addAttribute()

Class org.apache.lucene.util.AttributeSource

Examples of org.apache.lucene.util.AttributeSource.addAttribute()

org.apache.lucene.util.AttributeSource.addAttribute()
The caller must pass in a Class<? extends Attribute> value. This method first checks if an instance of that class is already in this AttributeSource and returns it. Otherwise a new instance is created, added to this AttributeSource and returned.

  protected Collection<ScoreTerm> suggestSimilar(Term term, int numSug, IndexReader ir, int docfreq, int editDistance,
                                                 float accuracy, final CharsRef spare) throws IOException {
    
    AttributeSource atts = new AttributeSource();
    MaxNonCompetitiveBoostAttribute maxBoostAtt =
      atts.addAttribute(MaxNonCompetitiveBoostAttribute.class);
    Terms terms = MultiFields.getTerms(ir, term.field());
    if (terms == null) {
      return Collections.emptyList();
    }
    FuzzyTermsEnum e = new FuzzyTermsEnum(terms, atts, term, editDistance, Math.max(minPrefix, editDistance-1), true);

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  private DocsEnum getOther(DocsEnum de) {
    if (de == null) {
      return null;
    } else {
      final AttributeSource atts = de.attributes();
      return atts.addAttribute(PulsingEnumAttribute.class).enums().get(this);
    }
  }
  
  /** 
   * for a docsenum, sets the 'other' reused enum.

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   * for a docsenum, sets the 'other' reused enum.
   * see getOther for an example.
   */
  private DocsEnum setOther(DocsEnum de, DocsEnum other) {
    final AttributeSource atts = de.attributes();
    return atts.addAttribute(PulsingEnumAttribute.class).enums().put(this, other);
  }


  /** 
   * A per-docsenum attribute that stores additional reuse information
   * so that pulsing enums can keep a reference to their wrapped enums,

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  private DocsEnum getOther(DocsEnum de) {
    if (de == null) {
      return null;
    } else {
      final AttributeSource atts = de.attributes();
      return atts.addAttribute(PulsingEnumAttribute.class).enums().get(this);
    }
  }
  
  /** 
   * for a docsenum, sets the 'other' reused enum.

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   * for a docsenum, sets the 'other' reused enum.
   * see getOther for an example.
   */
  private DocsEnum setOther(DocsEnum de, DocsEnum other) {
    final AttributeSource atts = de.attributes();
    return atts.addAttribute(PulsingEnumAttribute.class).enums().put(this, other);
  }


  /** 
   * A per-docsenum attribute that stores additional reuse information
   * so that pulsing enums can keep a reference to their wrapped enums,

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    });


    for (int i = 0; i < tokens.length; i++) {
      AttributeSource token = tokens[i];
      final NamedList<Object> tokenNamedList = new SimpleOrderedMap<Object>();
      final String rawText = token.addAttribute(CharTermAttribute.class).toString();


      String text = fieldType.indexedToReadable(rawText);
      tokenNamedList.add("text", text);
      if (!text.equals(rawText)) {
        tokenNamedList.add("raw_text", rawText);

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      }


      // common case fast-path of first token not matching anything
      AttributeSource firstTok = nextTok();
      if (firstTok == null) return false;
      CharTermAttribute termAtt = firstTok.addAttribute(CharTermAttribute.class);
      SynonymMap result = map.submap!=null ? map.submap.get(termAtt.buffer(), 0, termAtt.length()) : null;
      if (result == null) {
        copy(this, firstTok);
        return true;
      }

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      int pos=0;  // current position in merged token stream


      for (int i=0; i<result.synonyms.length; i++) {
        Token repTok = result.synonyms[i];
        AttributeSource newTok = firstTok.cloneAttributes();
        CharTermAttribute newTermAtt = newTok.addAttribute(CharTermAttribute.class);
        OffsetAttribute newOffsetAtt = newTok.addAttribute(OffsetAttribute.class);
        PositionIncrementAttribute newPosIncAtt = newTok.addAttribute(PositionIncrementAttribute.class);


        OffsetAttribute lastOffsetAtt = lastTok.addAttribute(OffsetAttribute.class);

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      for (int i=0; i<result.synonyms.length; i++) {
        Token repTok = result.synonyms[i];
        AttributeSource newTok = firstTok.cloneAttributes();
        CharTermAttribute newTermAtt = newTok.addAttribute(CharTermAttribute.class);
        OffsetAttribute newOffsetAtt = newTok.addAttribute(OffsetAttribute.class);
        PositionIncrementAttribute newPosIncAtt = newTok.addAttribute(PositionIncrementAttribute.class);


        OffsetAttribute lastOffsetAtt = lastTok.addAttribute(OffsetAttribute.class);


        newOffsetAtt.setOffset(newOffsetAtt.startOffset(), lastOffsetAtt.endOffset());

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      for (int i=0; i<result.synonyms.length; i++) {
        Token repTok = result.synonyms[i];
        AttributeSource newTok = firstTok.cloneAttributes();
        CharTermAttribute newTermAtt = newTok.addAttribute(CharTermAttribute.class);
        OffsetAttribute newOffsetAtt = newTok.addAttribute(OffsetAttribute.class);
        PositionIncrementAttribute newPosIncAtt = newTok.addAttribute(PositionIncrementAttribute.class);


        OffsetAttribute lastOffsetAtt = lastTok.addAttribute(OffsetAttribute.class);


        newOffsetAtt.setOffset(newOffsetAtt.startOffset(), lastOffsetAtt.endOffset());
        newTermAtt.copyBuffer(repTok.buffer(), 0, repTok.length());

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