Package org.apache.lucene.search

Examples of org.apache.lucene.search.DisjunctionMaxQuery$DisjunctionMaxWeight

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    final IndexReader indexReader = IndexReader.open(directory, true);
    try {
      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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    final IndexReader indexReader = IndexReader.open(directory, true);
    try {
      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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        if( !clause.isProhibited() ) {
          flatten( applyParentBoost( clause.getQuery(), bq ), reader, flatQueries );
        }
      }
    } else if( sourceQuery instanceof DisjunctionMaxQuery ){
      DisjunctionMaxQuery dmq = (DisjunctionMaxQuery)sourceQuery;
      for( Query query : dmq ){
        flatten( applyParentBoost( query, dmq ), reader, flatQueries );
      }
    }
    else if( sourceQuery instanceof TermQuery ){
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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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  }
 
  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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      @Override
      protected Analyzer getIndexAnalyzer(String field) {
        return analyzer;
      }
    };
    DisjunctionMaxQuery query = new DisjunctionMaxQuery(0);
    query.add(new WildcardQuery(new Term("body", "te*")));
    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);
    assertEquals("This is a <b>test</b>.", snippets[0]);
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        // convert the query to lower-case
        String queryString = label.toLowerCase();

        AllDocCollector collector = new AllDocCollector();

        DisjunctionMaxQuery query = new DisjunctionMaxQuery(0.0f);
        query.add(new TermQuery(new Term(FIELD_PREF_LABEL, queryString)));
        query.add(new TermQuery(new Term(FIELD_ALT_LABEL, queryString)));
        query.add(new TermQuery(new Term(FIELD_HIDDEN_LABEL, queryString)));
        searcher.search(query, collector);

        for (Integer hit : collector.getDocs()) {
            Document doc = searcher.doc(hit);
            String conceptURI = doc.getValues(FIELD_URI)[0];
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                    tieBreaker = parser.floatValue();
                }
            }
        }

        DisjunctionMaxQuery query = new DisjunctionMaxQuery(queries, tieBreaker);
        query.setBoost(boost);
        return query;
    }
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Related Classes of org.apache.lucene.search.DisjunctionMaxQuery$DisjunctionMaxWeight

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  • 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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