Examples of org.apache.lucene.index.IndexReader.maxDoc()

Class org.apache.lucene.index.IndexReader

Examples of org.apache.lucene.index.IndexReader.maxDoc()

org.apache.lucene.index.IndexReader.maxDoc()
Returns one greater than the largest possible document number. This may be used to, e.g., determine how big to allocate an array which will have an element for every document number in an index.

    DeleteDuplicates dedup = new DeleteDuplicates(conf);
    dedup.dedup(new Path[]{index});
    FsDirectory dir = new FsDirectory(fs, new Path(index, "part-0000"), false, conf);
    IndexReader reader = IndexReader.open(dir);
    assertEquals("only one doc left", reader.numDocs(), 1);
    for (int i = 0; i < reader.maxDoc(); i++) {
      if (reader.isDeleted(i)) {
        System.out.println("-doc " + i + " deleted");
        continue;
      }
      Document doc = reader.document(i);

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    dedup.dedup(new Path[]{index2});
    FsDirectory dir = new FsDirectory(fs, new Path(index2, "part-0000"), false, conf);
    IndexReader reader = IndexReader.open(dir);
    assertEquals("only one doc left", reader.numDocs(), 1);
    MD5Hash hash = MD5Hash.digest("2");
    for (int i = 0; i < reader.maxDoc(); i++) {
      if (reader.isDeleted(i)) {
        System.out.println("-doc " + i + " deleted");
        continue;
      }
      Document doc = reader.document(i);

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    DeleteDuplicates dedup = new DeleteDuplicates(conf);
    dedup.dedup(new Path[]{index1, index2});
    FsDirectory dir = new FsDirectory(fs, new Path(index1, "part-0000"), false, conf);
    IndexReader reader = IndexReader.open(dir);
    assertEquals("only one doc left", reader.numDocs(), 1);
    for (int i = 0; i < reader.maxDoc(); i++) {
      if (reader.isDeleted(i)) {
        System.out.println("-doc " + i + " deleted");
        continue;
      }
      Document doc = reader.document(i);

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    reader.close();
    dir = new FsDirectory(fs, new Path(index2, "part-0000"), false, conf);
    reader = IndexReader.open(dir);
    assertEquals("only one doc left", reader.numDocs(), 1);
    MD5Hash hash = MD5Hash.digest("2");
    for (int i = 0; i < reader.maxDoc(); i++) {
      if (reader.isDeleted(i)) {
        System.out.println("-doc " + i + " deleted");
        continue;
      }
      Document doc = reader.document(i);

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          Math.min(BooleanQuery.getMaxClauseCount(), terms.size()));
      BooleanQuery bq = new BooleanQuery();
      for (int j = 0; j < numTerms; j++) {
        bq.add(new BooleanClause(new TermQuery(terms.get(j)), Occur.SHOULD));
      }
      TopDocs queryResult = searcher.search(new ConstantScoreQuery(bq), reader.maxDoc());
      
      MatchAllDocsQuery matchAll = new MatchAllDocsQuery();
      final TermsFilter filter = termsFilter(singleField, terms.subList(0, numTerms));;
      TopDocs filterResult = searcher.search(matchAll, filter, reader.maxDoc());
      assertEquals(filterResult.totalHits, queryResult.totalHits);

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      }
      TopDocs queryResult = searcher.search(new ConstantScoreQuery(bq), reader.maxDoc());
      
      MatchAllDocsQuery matchAll = new MatchAllDocsQuery();
      final TermsFilter filter = termsFilter(singleField, terms.subList(0, numTerms));;
      TopDocs filterResult = searcher.search(matchAll, filter, reader.maxDoc());
      assertEquals(filterResult.totalHits, queryResult.totalHits);
      ScoreDoc[] scoreDocs = filterResult.scoreDocs;
      for (int j = 0; j < scoreDocs.length; j++) {
        assertEquals(scoreDocs[j].doc, queryResult.scoreDocs[j].doc);
      }

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      final IndexWriter writer = new IndexWriter(dir, config);
      IndexSearcher indexSearcher = obtainSearcher();
      final List<TermsEnum> termsEnums = new ArrayList<TermsEnum>();


      final IndexReader reader = searcher.getIndexReader();
      if (reader.maxDoc() > 0) {
        for (final AtomicReaderContext ctx : reader.leaves()) {
          Terms terms = ctx.reader().terms(F_WORD);
          if (terms != null)
            termsEnums.add(terms.iterator(null));
        }

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      if (random.nextBoolean()) {
        sort = new Sort(sf);
      } else {
        sort = new Sort(sf, SortField.FIELD_DOC);
      }
      final int hitCount = _TestUtil.nextInt(random, 1, r.maxDoc() + 20);
      final RandomFilter f = new RandomFilter(random, random.nextFloat(), docValues);
      int queryType = random.nextInt(3);
      if (queryType == 0) {
        // force out of order
        BooleanQuery bq = new BooleanQuery();

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            final AtomicReader reader = context.reader();
            DocsEnum termDocsEnum = reader.termDocsEnum(new Term("field", "0"));
            if (termDocsEnum == null) {
              return null; // no docs -- return null
            }
            final BitSet bitSet = new BitSet(reader.maxDoc());
            int d;
            while ((d = termDocsEnum.nextDoc()) != DocsEnum.NO_MORE_DOCS) {
              bitSet.set(d, true);
            }
            return new DocIdSet() {

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        app.add(combobox, choice);
      }
      app.setInteger(combobox, "selected", 0);
      app.setString(combobox, "text", firstField);
      app.setComponent(bean, "bean", chart);
      app.setString(maxdoc, "text", reader.maxDoc() + "");
      app.setString(middoc, "text", (reader.maxDoc() / 2 ) + "");
    }
    return true;
  }

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