Package org.elasticsearch.search.suggest.phrase

Class DirectCandidateGenerator

org.elasticsearch.search.suggest.phrase.CandidateGenerator
org.elasticsearch.search.suggest.phrase.DirectCandidateGenerator
public final class DirectCandidateGenerator extends CandidateGenerator

  • Constructor Details

    • DirectCandidateGenerator

      public DirectCandidateGenerator​(org.apache.lucene.search.spell.DirectSpellChecker spellchecker,  field, org.apache.lucene.search.spell.SuggestMode suggestMode, org.apache.lucene.index.IndexReader reader, double nonErrorLikelihood, int numCandidates) throws
      Throws:

    • DirectCandidateGenerator

      public DirectCandidateGenerator​(org.apache.lucene.search.spell.DirectSpellChecker spellchecker,  field, org.apache.lucene.search.spell.SuggestMode suggestMode, org.apache.lucene.index.IndexReader reader, double nonErrorLikelihood, int numCandidates, org.apache.lucene.analysis.Analyzer preFilter, org.apache.lucene.analysis.Analyzer postFilter, org.apache.lucene.index.Terms terms) throws
      Throws:

  • Method Details

    • isKnownWord

      public boolean isKnownWord​(org.apache.lucene.util.BytesRef term) throws
      Specified by:
      isKnownWord in class CandidateGenerator
      Throws:

    • termStats

      public org.apache.lucene.codecs.TermStats termStats​(org.apache.lucene.util.BytesRef term) throws
      Specified by:
      termStats in class CandidateGenerator
      Throws:

    • internalTermStats

      public org.apache.lucene.codecs.TermStats internalTermStats​(org.apache.lucene.util.BytesRef term) throws
      Throws:

    • getField

      public  getField()

    • drawCandidates

      public DirectCandidateGenerator.CandidateSet drawCandidates​(DirectCandidateGenerator.CandidateSet set) throws
      Specified by:
      drawCandidates in class CandidateGenerator
      Throws:

    • preFilter

      protected org.apache.lucene.util.BytesRef preFilter​(org.apache.lucene.util.BytesRef term, org.apache.lucene.util.CharsRefBuilder spare, org.apache.lucene.util.BytesRefBuilder byteSpare) throws
      Throws:

    • postFilter

      protected void postFilter​(DirectCandidateGenerator.Candidate candidate, org.apache.lucene.util.CharsRefBuilder spare, org.apache.lucene.util.BytesRefBuilder byteSpare, <DirectCandidateGenerator.Candidate> candidates) throws
      Throws:

    • createCandidate

      public DirectCandidateGenerator.Candidate createCandidate​(org.apache.lucene.util.BytesRef term, org.apache.lucene.codecs.TermStats termStats, double channelScore, boolean userInput) throws
      Specified by:
      createCandidate in class CandidateGenerator
      Throws:

    • analyze

      public static int analyze​(org.apache.lucene.analysis.Analyzer analyzer, org.apache.lucene.util.BytesRef toAnalyze,  field, DirectCandidateGenerator.TokenConsumer consumer, org.apache.lucene.util.CharsRefBuilder spare) throws
      Throws:

    • analyze

      public static int analyze​(org.apache.lucene.analysis.TokenStream stream, DirectCandidateGenerator.TokenConsumer consumer) throws
      NOTE: this method closes the TokenStream, even on exception, which is awkward because really the caller who called Analyzer.tokenStream(java.lang.String, java.io.Reader) should close it, but when trying that there are recursion issues when we try to use the same TokenStream twice in the same recursion...
      Throws: