Package org.apache.lucene.search

Examples of org.apache.lucene.search.DisjunctionMaxQuery

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  protected Query dmq( Query... queries ){
    return dmq( 0.0F, queries );
  }
 
  protected Query dmq( float tieBreakerMultiplier, Query... queries ){
    DisjunctionMaxQuery query = new DisjunctionMaxQuery( tieBreakerMultiplier );
    for( Query q : queries ){
      query.add( q );
    }
    return query;
  }
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    }
    final IndexReader indexReader = DirectoryReader.open(directory);
    assertEquals(1, indexReader.numDocs());
    final IndexSearcher indexSearcher = newSearcher(indexReader);
    try {
      final DisjunctionMaxQuery query = new DisjunctionMaxQuery(1);
      query.add(new SpanTermQuery(new Term(FIELD, "{fox}")));
      query.add(new SpanTermQuery(new Term(FIELD, "fox")));
        // final Query phraseQuery = new SpanNearQuery(new SpanQuery[] {
        // new SpanTermQuery(new Term(FIELD, "{fox}")),
        // new SpanTermQuery(new Term(FIELD, "fox")) }, 0, true);

      TopDocs hits = indexSearcher.search(query, 1);
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  protected Query dmq( Query... queries ){
    return dmq( 0.0F, queries );
  }
 
  protected Query dmq( float tieBreakerMultiplier, Query... queries ){
    DisjunctionMaxQuery query = new DisjunctionMaxQuery( tieBreakerMultiplier );
    for( Query q : queries ){
      query.add( q );
    }
    return query;
  }
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      for( BooleanClause clause : bq.getClauses() ){
        if( !clause.isProhibited() )
          flatten( clause.getQuery(), reader, flatQueries );
      }
    } else if( sourceQuery instanceof DisjunctionMaxQuery ){
      DisjunctionMaxQuery dmq = (DisjunctionMaxQuery)sourceQuery;
      for( Query query : dmq ){
        flatten( query, reader, flatQueries );
      }
    }
    else if( sourceQuery instanceof TermQuery ){
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  }
 
  public void testDisjunctionMaxQueryXML() throws ParserException, IOException {
    Query q = parse("DisjunctionMaxQuery.xml");
    assertTrue(q instanceof DisjunctionMaxQuery);
    DisjunctionMaxQuery d = (DisjunctionMaxQuery)q;
    assertEquals(0.0f, d.getTieBreakerMultiplier(), 0.0001f);
    assertEquals(2, d.getDisjuncts().size());
    DisjunctionMaxQuery ndq = (DisjunctionMaxQuery) d.getDisjuncts().get(1);
    assertEquals(1.2f, ndq.getTieBreakerMultiplier(), 0.0001f);
    assertEquals(1, ndq.getDisjuncts().size());
  }
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  protected Query dmq( Query... queries ){
    return dmq( 0.0F, queries );
  }
 
  protected Query dmq( float tieBreakerMultiplier, Query... queries ){
    DisjunctionMaxQuery query = new DisjunctionMaxQuery( tieBreakerMultiplier );
    for( Query q : queries ){
      query.add( q );
    }
    return query;
  }
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    */

  @Override
  public Query getQuery(Element e) throws ParserException {
    float tieBreaker = DOMUtils.getAttribute(e, "tieBreaker", 0.0f);
    DisjunctionMaxQuery dq = new DisjunctionMaxQuery(tieBreaker);
    dq.setBoost(DOMUtils.getAttribute(e, "boost", 1.0f));

    NodeList nl = e.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
      Node node = nl.item(i);
      if (node instanceof Element) { // all elements are disjuncts.
        Element queryElem = (Element) node;
        Query q = factory.getQuery(queryElem);
        dq.add(q);
      }
    }

    return dq;
  }
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  protected Query dmq( Query... queries ){
    return dmq( 0.0F, queries );
  }
 
  protected Query dmq( float tieBreakerMultiplier, Query... queries ){
    DisjunctionMaxQuery query = new DisjunctionMaxQuery( tieBreakerMultiplier );
    for( Query q : queries ){
      query.add( q );
    }
    return query;
  }
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  }
 
  public void testDisjunctionMaxQueryXML() throws ParserException, IOException {
    Query q = parse("DisjunctionMaxQuery.xml");
    assertTrue(q instanceof DisjunctionMaxQuery);
    DisjunctionMaxQuery d = (DisjunctionMaxQuery)q;
    assertEquals(0.0f, d.getTieBreakerMultiplier(), 0.0001f);
    assertEquals(2, d.getDisjuncts().size());
    DisjunctionMaxQuery ndq = (DisjunctionMaxQuery) d.getDisjuncts().get(1);
    assertEquals(1.2f, ndq.getTieBreakerMultiplier(), 0.0001f);
    assertEquals(1, ndq.getDisjuncts().size());
  }
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    }
    final IndexReader indexReader = DirectoryReader.open(directory);
    assertEquals(1, indexReader.numDocs());
    final IndexSearcher indexSearcher = newSearcher(indexReader);
    try {
      final DisjunctionMaxQuery query = new DisjunctionMaxQuery(1);
      query.add(new SpanTermQuery(new Term(FIELD, "{fox}")));
      query.add(new SpanTermQuery(new Term(FIELD, "fox")));
        // final Query phraseQuery = new SpanNearQuery(new SpanQuery[] {
        // new SpanTermQuery(new Term(FIELD, "{fox}")),
        // new SpanTermQuery(new Term(FIELD, "fox")) }, 0, true);

      TopDocs hits = indexSearcher.search(query, 1);
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Related Classes of org.apache.lucene.search.DisjunctionMaxQuery

  • com.senseidb.search.query.DistMaxQueryConstructor
  • com.senseidb.search.query.QueryStringQueryConstructor
  • er.luceneadaptor.ERLuceneAdaptorChannel$LuceneQualifierTraversal
  • io.crate.lucene.match.MultiMatchQueryBuilder$GroupQueryBuilder
  • org.apache.lucene.queryparser.classic.MapperQueryParser
  • org.apache.lucene.queryParser.MultiFieldMapperQueryParser
  • org.apache.lucene.queryparser.xml.builders.DisjunctionMaxQueryBuilder
  • org.apache.lucene.queryparser.xml.TestParser
  • org.apache.lucene.search.highlight.TokenSourcesTest
  • org.apache.lucene.search.postingshighlight.TestMultiTermHighlighting
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