Package org.apache.lucene.search

Examples of org.apache.lucene.search.ScoreDoc

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    //they should all have the exact same score, because they all contain seventy once, and we set
    //all the other similarity factors to be 1

    assertTrue(hits.getMaxScore() + " does not equal: " + 1, hits.getMaxScore() == 1);
    for (int i = 0; i < hits.scoreDocs.length; i++) {
      ScoreDoc doc = hits.scoreDocs[i];
      assertTrue(doc.score + " does not equal: " + 1, doc.score == 1);
    }
    CheckHits.checkExplanations(query, PayloadHelper.FIELD, searcher, true);
    Spans spans = query.getSpans(searcher.getIndexReader());
    assertTrue("spans is null and it shouldn't be", spans != null);
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    assertTrue(hits.getMaxScore() + " does not equal: " + 4.0, hits.getMaxScore() == 4.0);
    //there should be exactly 10 items that score a 4, all the rest should score a 2
    //The 10 items are: 70 + i*100 where i in [0-9]
    int numTens = 0;
    for (int i = 0; i < hits.scoreDocs.length; i++) {
      ScoreDoc doc = hits.scoreDocs[i];
      if (doc.doc % 10 == 0) {
        numTens++;
        assertTrue(doc.score + " does not equal: " + 4.0, doc.score == 4.0);
      } else {
        assertTrue(doc.score + " does not equal: " + 2, doc.score == 2);
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    assertTrue(hits.getMaxScore() + " does not equal: " + 4.0, hits.getMaxScore() == 4.0);
    //there should be exactly 10 items that score a 4, all the rest should score a 2
    //The 10 items are: 70 + i*100 where i in [0-9]
    int numTens = 0;
    for (int i = 0; i < hits.scoreDocs.length; i++) {
      ScoreDoc doc = hits.scoreDocs[i];
      if (doc.doc % 10 == 0) {
        numTens++;
        assertTrue(doc.score + " does not equal: " + 4.0, doc.score == 4.0);
      } else {
        assertTrue(doc.score + " does not equal: " + 2, doc.score == 2);
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    // and all the similarity factors are set to 1
    hits = searcher.search(query, null, 100);
    assertTrue("hits is null and it shouldn't be", hits != null);
    assertTrue("should be 10 hits", hits.totalHits == 10);
    for (int j = 0; j < hits.scoreDocs.length; j++) {
      ScoreDoc doc = hits.scoreDocs[j];
      assertTrue(doc.score + " does not equal: " + 3, doc.score == 3);
    }
    for (int i=1;i<10;i++) {
      query = newPhraseQuery("field", English.intToEnglish(i)+" hundred", true, new AveragePayloadFunction());
      // all should have score = 3 because adjacent terms have payloads of 2,4
      // and all the similarity factors are set to 1
      hits = searcher.search(query, null, 100);
      assertTrue("hits is null and it shouldn't be", hits != null);
      assertTrue("should be 100 hits", hits.totalHits == 100);
      for (int j = 0; j < hits.scoreDocs.length; j++) {
        ScoreDoc doc = hits.scoreDocs[j];
        //        System.out.println("Doc: " + doc.toString());
        //        System.out.println("Explain: " + searcher.explain(query, doc.doc));
        assertTrue(doc.score + " does not equal: " + 3, doc.score == 3);
      }
    }
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    // and all the similarity factors are set to 1
    hits = searcher.search(query, null, 100);
    assertTrue("hits is null and it shouldn't be", hits != null);
    assertTrue("should be 10 hits", hits.totalHits == 10);
    for (int j = 0; j < hits.scoreDocs.length; j++) {
      ScoreDoc doc = hits.scoreDocs[j];
      assertTrue(doc.score + " does not equal: " + 3, doc.score == 3);
      Explanation explain = searcher.explain(query, hits.scoreDocs[j].doc);
      String exp = explain.toString();
      assertTrue(exp, exp.indexOf("AveragePayloadFunction") > -1);
      assertTrue(hits.scoreDocs[j].score + " explain value does not equal: " + 3, explain.getValue() == 3f);
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    // all 10 hits should have score = 4 (max payload value)
    hits = searcher.search(query, null, 100);
    assertTrue("hits is null and it shouldn't be", hits != null);
    assertTrue("should be 10 hits", hits.totalHits == 10);
    for (int j = 0; j < hits.scoreDocs.length; j++) {
      ScoreDoc doc = hits.scoreDocs[j];
      assertTrue(doc.score + " does not equal: " + 4, doc.score == 4);
      Explanation explain = searcher.explain(query, hits.scoreDocs[j].doc);
      String exp = explain.toString();
      assertTrue(exp, exp.indexOf("MaxPayloadFunction") > -1);
      assertTrue(hits.scoreDocs[j].score + " explain value does not equal: " + 4, explain.getValue() == 4f);
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    // all 10 hits should have score = 2 (min payload value)
    hits = searcher.search(query, null, 100);
    assertTrue("hits is null and it shouldn't be", hits != null);
    assertTrue("should be 10 hits", hits.totalHits == 10);
    for (int j = 0; j < hits.scoreDocs.length; j++) {
      ScoreDoc doc = hits.scoreDocs[j];
      assertTrue(doc.score + " does not equal: " + 2, doc.score == 2);
      Explanation explain = searcher.explain(query, hits.scoreDocs[j].doc);
      String exp = explain.toString();
      assertTrue(exp, exp.indexOf("MinPayloadFunction") > -1);
      assertTrue(hits.scoreDocs[j].score + " explain value does not equal: " + 2, explain.getValue() == 2f);
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    PayloadNearQuery query;
    TopDocs hits;
    query = newPhraseQuery("field", "nine hundred ninety nine", true, new AveragePayloadFunction());
    hits = searcher.search(query, null, 100);
    assertTrue("hits is null and it shouldn't be", hits != null);
    ScoreDoc doc = hits.scoreDocs[0];
    //    System.out.println("Doc: " + doc.toString());
    //    System.out.println("Explain: " + searcher.explain(query, doc.doc));
    assertTrue("there should only be one hit", hits.totalHits == 1);
    // should have score = 3 because adjacent terms have payloads of 2,4
    assertTrue(doc.score + " does not equal: " + 3, doc.score == 3);
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    hits = searcher.search(query, null, 100);
    assertTrue("hits is null and it shouldn't be", hits != null);
    // should be only 1 hit - doc 999
    assertTrue("should only be one hit", hits.scoreDocs.length == 1);
    // the score should be 3 - the average of all the underlying payloads
    ScoreDoc doc = hits.scoreDocs[0];
    //    System.out.println("Doc: " + doc.toString());
    //    System.out.println("Explain: " + searcher.explain(query, doc.doc));
    assertTrue(doc.score + " does not equal: " + 3, doc.score == 3); 
  }
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  public static void assertEquals(TopDocs expected, TopDocs actual) {
    Assert.assertEquals("wrong total hits", expected.totalHits, actual.totalHits);
    Assert.assertEquals("wrong maxScore", expected.getMaxScore(), actual.getMaxScore(), 0.0);
    Assert.assertEquals("wrong hit count", expected.scoreDocs.length, actual.scoreDocs.length);
    for(int hitIDX=0;hitIDX<expected.scoreDocs.length;hitIDX++) {
      final ScoreDoc expectedSD = expected.scoreDocs[hitIDX];
      final ScoreDoc actualSD = actual.scoreDocs[hitIDX];
      Assert.assertEquals("wrong hit docID", expectedSD.doc, actualSD.doc);
      Assert.assertEquals("wrong hit score", expectedSD.score, actualSD.score, 0.0);
      if (expectedSD instanceof FieldDoc) {
        Assert.assertTrue(actualSD instanceof FieldDoc);
        Assert.assertEquals("wrong sort field values",
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