Package org.apache.lucene.search

Examples of org.apache.lucene.search.IndexSearcher.search()

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    // Now search the index:
    IndexSearcher isearcher = new IndexSearcher(directory, true); // read-only=true
    // Parse a simple query that searches for "text":
    QueryParser parser = new QueryParser(Version.LUCENE_CURRENT, "fieldname", analyzer);
    Query query = parser.parse("text");
    ScoreDoc[] hits = isearcher.search(query, null, 1000).scoreDocs;
    assertEquals(1, hits.length);
    // Iterate through the results:
    for (int i = 0; i < hits.length; i++) {
      Document hitDoc = isearcher.doc(hits[i].doc);
      assertEquals("This is the text to be indexed.", hitDoc.get("fieldname"));
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    IndexSearcher searcher = new IndexSearcher(directory, true);

    String word = args[1];
    Query query = new TermQuery(new Term(Syns2Index.F_WORD, word));
    CountingCollector countingCollector = new CountingCollector();
    searcher.search(query, countingCollector);

    if (countingCollector.numHits == 0) {
      System.out.println("No synonyms found for " + word);
    } else {
      System.out.println("Synonyms found for \"" + word + "\":");
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      System.out.println("No synonyms found for " + word);
    } else {
      System.out.println("Synonyms found for \"" + word + "\":");
    }

    ScoreDoc[] hits = searcher.search(query, countingCollector.numHits).scoreDocs;
   
    for (int i = 0; i < hits.length; i++) {
      Document doc = searcher.doc(hits[i].doc);

      String[] values = doc.getValues(Syns2Index.F_SYN);
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    doc.add(new Field("f", "a", Field.Store.NO, Field.Index.NOT_ANALYZED));
    writer.addDocument(doc);
    writer.commit();

    collector = new Collector();
    searcher.search(new TermQuery(new Term("f", "a")), collector);
    assertEquals(1, collector.hits);

    doc = new Document();
    doc.add(new Field("f", "a", Field.Store.NO, Field.Index.NOT_ANALYZED));
    writer.addDocument(doc);
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    doc.add(new Field("f", "a", Field.Store.NO, Field.Index.NOT_ANALYZED));
    writer.addDocument(doc);
    writer.commit();

    collector = new Collector();
    searcher.search(new TermQuery(new Term("f", "a")), collector);
    assertEquals(2, collector.hits);

  }

  public static class Collector extends org.apache.lucene.search.Collector {
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        reader.deleteDocument(4);
        assertEquals(reader.docFreq(bbb), 37);
        dir.tweakBufferSizes();

        IndexSearcher searcher = new IndexSearcher(reader);
        ScoreDoc[] hits = searcher.search(new TermQuery(bbb), null, 1000).scoreDocs;
        dir.tweakBufferSizes();
        assertEquals(35, hits.length);
        dir.tweakBufferSizes();
        hits = searcher.search(new TermQuery(new Term("id", "33")), null, 1000).scoreDocs;
        dir.tweakBufferSizes();
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        IndexSearcher searcher = new IndexSearcher(reader);
        ScoreDoc[] hits = searcher.search(new TermQuery(bbb), null, 1000).scoreDocs;
        dir.tweakBufferSizes();
        assertEquals(35, hits.length);
        dir.tweakBufferSizes();
        hits = searcher.search(new TermQuery(new Term("id", "33")), null, 1000).scoreDocs;
        dir.tweakBufferSizes();
        assertEquals(1, hits.length);
        hits = searcher.search(new TermQuery(aaa), null, 1000).scoreDocs;
        dir.tweakBufferSizes();
        assertEquals(35, hits.length);
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        assertEquals(35, hits.length);
        dir.tweakBufferSizes();
        hits = searcher.search(new TermQuery(new Term("id", "33")), null, 1000).scoreDocs;
        dir.tweakBufferSizes();
        assertEquals(1, hits.length);
        hits = searcher.search(new TermQuery(aaa), null, 1000).scoreDocs;
        dir.tweakBufferSizes();
        assertEquals(35, hits.length);
        searcher.close();
        reader.close();
      } finally {
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    // with a Farsi Collator (or an Arabic one for the case when Farsi is not
    // supported).

    // Test ConstantScoreRangeQuery
    qp.setMultiTermRewriteMethod(MultiTermQuery.CONSTANT_SCORE_FILTER_REWRITE);
    ScoreDoc[] result = is.search(qp.parse("[ \u062F TO \u0698 ]"), null, 1000).scoreDocs;
    assertEquals("The index Term should not be included.", 0, result.length);

    result = is.search(qp.parse("[ \u0633 TO \u0638 ]"), null, 1000).scoreDocs;
    assertEquals("The index Term should be included.", 1, result.length);
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  // search for something that does exists
  Query query = new TermQuery(new Term("keyword", "test1"));

  // ensure that queries return expected results without DateFilter first
        ScoreDoc[] hits = searcher.search(query, null, 1000).scoreDocs;
  assertEquals(1, hits.length);

         doAssert(searcher.doc(hits[0].doc), true);
         searcher.close();
    }
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