Examples of PrefixQuery

net.sf.jz3950.query.PrefixQuery
org.apache.lucene.search.PrefixQuery
A Query that matches documents containing terms with a specified prefix.

Examples of org.apache.lucene.search.PrefixQuery

  }
  
  private void verifyNotFacetsData(DirectoryReader indexReader, IndexSearcher searcher) throws IOException {
    // verify that non facets data was not damaged
    TotalHitCountCollector total = new TotalHitCountCollector();
    searcher.search(new PrefixQuery(new Term("foo", "content")), total);
    assertEquals("invalid number of results for content query", total.getTotalHits(), indexReader.maxDoc());
    
    int numDocIDs = 0;
    for (AtomicReaderContext context : indexReader.leaves()) {
      Terms docIDs = context.reader().terms("docid");

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Examples of org.apache.lucene.search.PrefixQuery

    defgMultiTermQueryTest(new WildcardQuery(new Term(F, "d*g")));
  }


  public void testPrefixQuery() throws Exception {
    makeIndexStrMV();
    defgMultiTermQueryTest(new PrefixQuery(new Term(F, "de")));
  }

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Examples of org.apache.lucene.search.PrefixQuery

    if (token.length() < minPrefixChars) {
      // The leading ngram was directly indexed:
      return new TermQuery(new Term("textgrams", token));
    }


    return new PrefixQuery(new Term(TEXT_FIELD_NAME, token));
  }

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Examples of org.apache.lucene.search.PrefixQuery

      @Override
      protected Analyzer getIndexAnalyzer(String field) {
        return analyzer;
      }
    };
    Query query = new PrefixQuery(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]);
    assertEquals("<b>Test</b> a one sentence document.", snippets[1]);
    
    // wrong field
    BooleanQuery bq = new BooleanQuery();
    bq.add(new MatchAllDocsQuery(), BooleanClause.Occur.SHOULD);
    bq.add(new PrefixQuery(new Term("bogus", "te")), BooleanClause.Occur.SHOULD);
    topDocs = searcher.search(bq, null, 10, Sort.INDEXORDER);
    assertEquals(2, topDocs.totalHits);
    snippets = highlighter.highlight("body", bq, searcher, topDocs);
    assertEquals(2, snippets.length);
    assertEquals("This is a test.", snippets[0]);

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Examples of org.apache.lucene.search.PrefixQuery

            return aq.toString();
          }
        });
      }
    } else if (query instanceof PrefixQuery) {
      final PrefixQuery pq = (PrefixQuery) query;
      Term prefix = pq.getPrefix();
      if (prefix.field().equals(field)) {
        list.add(new CharacterRunAutomaton(BasicOperations.concatenate(BasicAutomata.makeString(prefix.text()), 
                                                                       BasicAutomata.makeAnyString())) {
          @Override
          public String toString() {
            return pq.toString();
          }
        });
      }
    } else if (query instanceof FuzzyQuery) {
      final FuzzyQuery fq = (FuzzyQuery) query;

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Examples of org.apache.lucene.search.PrefixQuery

    assertEquals(expectedBoolean, parse("\"foo bar\"~12 baz"));
  }


  /** test a simple prefix */
  public void testPrefix() throws Exception {
    PrefixQuery expected = new PrefixQuery(new Term("field", "foobar"));


    assertEquals(expected, parse("foobar*"));
  }

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Examples of org.apache.lucene.search.PrefixQuery

    assertEquals(expected, parse("---foo"));
  }


  /** test crazy prefixes with multiple asterisks */
  public void testCrazyPrefixes1() throws Exception {
    Query expected = new PrefixQuery(new Term("field", "st*ar"));


    assertEquals(expected, parse("st*ar*"));
  }

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Examples of org.apache.lucene.search.PrefixQuery

    assertEquals(expected, parse("st*ar*"));
  }


  /** test prefixes with some escaping */
  public void testCrazyPrefixes2() throws Exception {
    Query expected = new PrefixQuery(new Term("field", "st*ar\\*"));


    assertEquals(expected, parse("st*ar\\\\**"));
  }

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Examples of org.apache.lucene.search.PrefixQuery

    RegexpQuery rgxNoSuch = new RegexpQuery(new Term("field", "noSuch"));
    SpanQuery spanRgxNoSuch = new SpanMultiTermQueryWrapper<RegexpQuery>(rgxNoSuch);
    near = new SpanNearQuery(new SpanQuery[]{term, spanRgxNoSuch}, 1, true);
    assertEquals(0, searcher.search(near, 10).totalHits);
    
    PrefixQuery prfxNoSuch = new PrefixQuery(new Term("field", "noSuch"));
    SpanQuery spanPrfxNoSuch = new SpanMultiTermQueryWrapper<PrefixQuery>(prfxNoSuch);
    near = new SpanNearQuery(new SpanQuery[]{term, spanPrfxNoSuch}, 1, true);
    assertEquals(0, searcher.search(near, 10).totalHits);


    //test single noSuch

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Examples of org.apache.lucene.search.PrefixQuery

    RegexpQuery rgxNoSuch = new RegexpQuery(new Term("field", "noSuch"));
    SpanQuery spanRgxNoSuch = new SpanMultiTermQueryWrapper<RegexpQuery>(rgxNoSuch);
    notNear = new SpanNotQuery(term, spanRgxNoSuch, 1, 1);
    assertEquals(1, searcher.search(notNear, 10).totalHits);
    
    PrefixQuery prfxNoSuch = new PrefixQuery(new Term("field", "noSuch"));
    SpanQuery spanPrfxNoSuch = new SpanMultiTermQueryWrapper<PrefixQuery>(prfxNoSuch);
    notNear = new SpanNotQuery(term, spanPrfxNoSuch, 1, 1);
    assertEquals(1, searcher.search(notNear, 10).totalHits);
    
  }

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