Package org.apache.lucene.search

Examples of org.apache.lucene.search.BooleanQuery.clauses()

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    mlt.setMinWordLen(1);
    mlt.setFieldNames(new String[] {"text"});
    mlt.setBoost(true);
    BooleanQuery query = (BooleanQuery) mlt.like("text", new StringReader(
        "lucene release"));
    List<BooleanClause> clauses = query.clauses();

    for (BooleanClause clause : clauses) {
      TermQuery tq = (TermQuery) clause.getQuery();
      originalValues.put(tq.getTerm().text(), tq.getBoost());
    }
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    mlt.setFieldNames(new String[] {"text"});

    BooleanQuery query = (BooleanQuery) mlt.like("text",
        new StringReader("lucene"), new StringReader("lucene release"),
        new StringReader("apache"), new StringReader("apache lucene"));
    List<BooleanClause> clauses = query.clauses();
    assertEquals("Expected 2 clauses only!", 2, clauses.size());
    for (BooleanClause clause : clauses) {
      Term term = ((TermQuery) clause.getQuery()).getTerm();
      assertTrue(Arrays.asList(new Term("text", "lucene"), new Term("text", "apache")).contains(term));
    }
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    }
   
    Query query = createFieldQuery(analyzer, BooleanClause.Occur.SHOULD, field, queryText, false, 0);
    if (query instanceof BooleanQuery) {
      BooleanQuery bq = (BooleanQuery) query;
      bq.setMinimumNumberShouldMatch((int) (fraction * bq.clauses().size()));
    }
    return query;
  }
 
  /**
 
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                Object[] predicates = steps[0].acceptOperands(this, context);
                BooleanQuery andQuery = new BooleanQuery();
                for (Object predicate : predicates) {
                    andQuery.add((Query) predicate, Occur.MUST);
                }
                if (andQuery.clauses().size() > 0) {
                    andQuery.add(context, Occur.MUST);
                    context = andQuery;
                }

                LocationStepQueryNode[] tmp = new LocationStepQueryNode[steps.length - 1];
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    assertNotNull(t+" was null", out);
    assertTrue(t+" wasn't a boolean:" + out.getClass(),
               out instanceof BooleanQuery);
    {
      BooleanQuery bq = (BooleanQuery)out;
      List<BooleanClause> clauses = bq.clauses();
      assertEquals(t+" wrong number of clauses", 2,
                   clauses.size());
      Query sub = clauses.get(0).getQuery();
      assertTrue(t+" first wasn't a DMQ:" + sub.getClass(),
                 sub instanceof DisjunctionMaxQuery);
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    assertNotNull(t+" was null", out);
    assertTrue(t+" wasn't a boolean:" + out.getClass(),
               out instanceof BooleanQuery);
    {
      BooleanQuery bq = (BooleanQuery)out;
      List<BooleanClause> clauses = bq.clauses();
      assertEquals(t+" wrong number of clauses", 2,
                   clauses.size());
      Query sub = clauses.get(0).getQuery();
      assertTrue(t+" first wasn't a DMQ:" + sub.getClass(),
                 sub instanceof DisjunctionMaxQuery);
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                }
            }
        }

        // Add the boolean query created for the set of values for the current criteria
        if (bq.clauses().size() > 0) {
            query.add(bq, qOccur);
        }
    }

    /**
 
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             LuceneIndexField.GROUP_OWNER);
       
        BooleanQuery bq;
        if (q instanceof BooleanQuery) {
            bq = (BooleanQuery) q;
            List<BooleanClause> clauses = bq.clauses();
   
            Iterator<BooleanClause> it = clauses.iterator();
            while (it.hasNext()) {
                BooleanClause bc = it.next();
   
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                for (FullTextExpression e : and.list) {
                    Query x = getFullTextQuery(e, analyzer, reader);
                    // Lucene can't deal with "must(must_not(x))"
                    if (x instanceof BooleanQuery) {
                        BooleanQuery bq = (BooleanQuery) x;
                        for (BooleanClause c : bq.clauses()) {
                            q.add(c);
                        }
                    } else {
                        q.add(x, MUST);
                    }
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  float boostFactor = 5;
  mlt.setBoostFactor(boostFactor);

  BooleanQuery query = (BooleanQuery) mlt.like(new StringReader(
    "lucene release"));
  List clauses = query.clauses();

  assertEquals("Expected " + originalValues.size() + " clauses.",
    originalValues.size(), clauses.size());

  for (int i = 0; i < clauses.size(); i++) {
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