Package org.apache.lucene.search.spans

Examples of org.apache.lucene.search.spans.SpanTermQuery

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      protected Analyzer getIndexAnalyzer(String field) {
        return analyzer;
      }
    };
    SpanQuery include = new SpanMultiTermQueryWrapper<>(new WildcardQuery(new Term("body", "te*")));
    SpanQuery exclude = new SpanTermQuery(new Term("body", "bogus"));
    Query query = new SpanNotQuery(include, exclude);
    TopDocs topDocs = searcher.search(query, null, 10, Sort.INDEXORDER);
    assertEquals(2, topDocs.totalHits);
    String snippets[] = highlighter.highlight("body", query, searcher, topDocs);
    assertEquals(2, snippets.length);
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    IndexReader indexReader = DirectoryReader.open(directory);
    IndexSearcher searcher = newSearcher(indexReader);

    BooleanQuery query = new BooleanQuery();
    SpanQuery sq1 = new SpanTermQuery(new Term(FIELD, "clockwork"));
    SpanQuery sq2 = new SpanTermQuery(new Term(FIELD, "clckwork"));
    query.add(sq1, BooleanClause.Occur.SHOULD);
    query.add(sq2, BooleanClause.Occur.SHOULD);
    TopScoreDocCollector collector = TopScoreDocCollector.create(1000, true);
    searcher.search(query, collector);
    hits = collector.topDocs().scoreDocs.length;
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      final Set<Term> terms = new HashSet<Term>();
      query.getQuery().extractTerms(terms);
      if (terms.size() != 1) {
        throw new RuntimeException("Expected term set of size 1: " + terms);
      }
      return new SpanTermQuery(terms.iterator().next());
    }
  }
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    public static Query[] getPrebuiltQueries(String field)
    {
        //be wary of unanalyzed text
        return new Query[]{
                new SpanFirstQuery(new SpanTermQuery(new Term(field, "ford")), 5),
                new SpanNearQuery(new SpanQuery[]{new SpanTermQuery(new Term(field, "night")), new SpanTermQuery(new Term(field, "trading"))}, 4, false),
                new SpanNearQuery(new SpanQuery[]{new SpanFirstQuery(new SpanTermQuery(new Term(field, "ford")), 10), new SpanTermQuery(new Term(field, "credit"))}, 10, false),
                new WildcardQuery(new Term(field, "fo*")),
        };
    }
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  };
 
  private static Query[] getPrebuiltQueries(String field) {
    //  be wary of unanalyzed text
    return new Query[] {
        new SpanFirstQuery(new SpanTermQuery(new Term(field, "ford")), 5),
        new SpanNearQuery(new SpanQuery[]{new SpanTermQuery(new Term(field, "night")), new SpanTermQuery(new Term(field, "trading"))}, 4, false),
        new SpanNearQuery(new SpanQuery[]{new SpanFirstQuery(new SpanTermQuery(new Term(field, "ford")), 10), new SpanTermQuery(new Term(field, "credit"))}, 10, false),
        new WildcardQuery(new Term(field, "fo*")),
    };
  }
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  public SpanQuery getSpanQuery(Element e) throws ParserException
  {
     String fieldName=DOMUtils.getAttributeWithInheritanceOrFail(e,"fieldName");
     String value=DOMUtils.getNonBlankTextOrFail(e);
      SpanTermQuery stq = new SpanTermQuery(new Term(fieldName,value));
     
      stq.setBoost(DOMUtils.getAttribute(e,"boost",1.0f));
    return stq;   
   
  }
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      ArrayList clausesList=new ArrayList();
      TokenStream ts=analyzer.tokenStream(fieldName,new StringReader(value));
      Token token=ts.next();
      while(token!=null)
      {
          SpanTermQuery stq=new SpanTermQuery(new Term(fieldName,token.termText()));
          clausesList.add(stq);
        token=ts.next();       
      }
      SpanOrQuery soq=new SpanOrQuery((SpanQuery[]) clausesList.toArray(new SpanQuery[clausesList.size()]));
      soq.setBoost(DOMUtils.getAttribute(e,"boost",1.0f));
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      BooleanClause clause = clauses[i];

      // Clauses from RegexQuery.rewrite are always TermQuery's
      TermQuery tq = (TermQuery) clause.getQuery();

      sqs[i] = new SpanTermQuery(tq.getTerm());
      sqs[i].setBoost(tq.getBoost());
    }

    SpanOrQuery query = new SpanOrQuery(sqs);
    query.setBoost(orig.getBoost());
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    return new TermQuery(term);
  }
 
  public SpanTermQuery newSpanTermQuery(Term term) throws TooManyBasicQueries {
    checkMax();
    return new SpanTermQuery(term);
  }
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      w = new Float(weight);
    weightBySpanQuery.put(sq, w);
  }
 
  public void addTermWeighted(Term t, float weight) throws IOException {  
    SpanTermQuery stq = qf.newSpanTermQuery(t);
    /* CHECKME: wrap in Hashable...? */
    addSpanQueryWeighted(stq, weight);
  }
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Related Classes of org.apache.lucene.search.spans.SpanTermQuery

  • com.senseidb.search.query.SpanFirstQueryConstructor
  • com.senseidb.search.query.SpanNearQueryConstructor
  • com.senseidb.search.query.SpanNotQueryConstructor
  • com.senseidb.search.query.SpanOrQueryConstructor
  • com.senseidb.search.query.SpanTermQueryConstructor
  • com.tamingtext.qa.MockQuestionQParserPlugin$MockQParser
  • com.tamingtext.qa.QuestionQParser
  • org.apache.lucene.benchmark.byTask.feeds.EnwikiQueryMaker
  • org.apache.lucene.benchmark.byTask.feeds.ReutersQueryMaker
  • org.apache.lucene.benchmark.standard.ReutersQueries
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