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.

      
      TestDataDigester testDigester=new TestDataDigester(_fconf,data);
      BoboIndexer indexer=new BoboIndexer(testDigester,idxDir);
      indexer.index();
      IndexReader r = IndexReader.open(idxDir,false);
      r.deleteDocument(r.maxDoc() - 1);
      //r.flush();
      r.close();
    } catch (UnsupportedEncodingException e) {
      e.printStackTrace();
    } catch (IOException e) {

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    Random rand=new Random();
        
    IndexReader reader=null;
    try{
      reader=IndexReader.open(FSDirectory.open(getDataFile()),true);
      int carcount=reader.maxDoc();
      
      Document[] docCache=new Document[carcount];
      for (int i=0;i<carcount;++i){
        docCache[i]=reader.document(i);
      }

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    air = IndexReader.open(aprioriIndex, false);
    tir = testIndex.indexReaderFactory();


    assertEquals(air.isCurrent(), tir.isCurrent());
    assertEquals(air.hasDeletions(), tir.hasDeletions());
    assertEquals(air.maxDoc(), tir.maxDoc());
    assertEquals(air.numDocs(), tir.numDocs());
    assertEquals(air.numDeletedDocs(), tir.numDeletedDocs());


    for (int d =0; d<air.maxDoc(); d++) {
      assertEquals(air.isDeleted(d), tir.isDeleted(d));

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    assertEquals(air.hasDeletions(), tir.hasDeletions());
    assertEquals(air.maxDoc(), tir.maxDoc());
    assertEquals(air.numDocs(), tir.numDocs());
    assertEquals(air.numDeletedDocs(), tir.numDeletedDocs());


    for (int d =0; d<air.maxDoc(); d++) {
      assertEquals(air.isDeleted(d), tir.isDeleted(d));
    }


    air.close();
    tir.close();

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        // test norms as used by multireader


        aprioriNorms = new byte[aprioriReader.maxDoc()];
        aprioriReader.norms((String) field, aprioriNorms, 0);


        testNorms = new byte[testReader.maxDoc()];
        testReader.norms((String) field, testNorms, 0);


        assertEquals(aprioriNorms.length, testNorms.length);


        for (int i = 0; i < aprioriNorms.length; i++) {

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        // test norms as used by multireader


        aprioriNorms = new byte[aprioriReader.maxDoc() + 10];
        aprioriReader.norms((String) field, aprioriNorms, 10);


        testNorms = new byte[testReader.maxDoc() + 10];
        testReader.norms((String) field, testNorms, 10);


        assertEquals(aprioriNorms.length, testNorms.length);
        
        for (int i = 0; i < aprioriNorms.length; i++) {

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    // 3. execute the algorithm  (required in every "logic" test)
    Benchmark benchmark = execBenchmark(algLines);


    IndexReader r = IndexReader.open(benchmark.getRunData().getDirectory(), true);
    StringIndex idx = FieldCache.DEFAULT.getStringIndex(r, "country");
    final int maxDoc = r.maxDoc();
    assertEquals(10000, maxDoc);
    for(int i=0;i<10000;i++) {
      assertNotNull("doc " + i + " has null country", idx.lookup[idx.order[i]]);
    }
    r.close();

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    }


    // optionally warm and add num docs traversed to count
    if (withWarm()) {
      Document doc = null;
      for (int m = 0; m < reader.maxDoc(); m++) {
        if (!reader.isDeleted(m)) {
          doc = reader.document(m);
          res += (doc == null ? 0 : 1);
        }
      }

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        if (printHitsField != null && printHitsField.length() > 0) {
          if (q instanceof MultiTermQuery) {
            System.out.println("MultiTermQuery term count = " + ((MultiTermQuery) q).getTotalNumberOfTerms());
          }
          System.out.println("totalHits = " + hits.totalHits);
          System.out.println("maxDoc()  = " + reader.maxDoc());
          System.out.println("numDocs() = " + reader.numDocs());
          for(int i=0;i<hits.scoreDocs.length;i++) {
            final int docID = hits.scoreDocs[i].doc;
            final Document doc = reader.document(docID);
            System.out.println("  " + i + ": doc=" + docID + " score=" + hits.scoreDocs[i].score + " " + printHitsField + " =" + doc.get(printHitsField));

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    IndexReader air = IndexReader.open(aprioriIndex, false);
    InstantiatedIndexReader tir = testIndex.indexReaderFactory();


    assertEquals(air.isCurrent(), tir.isCurrent());
    assertEquals(air.hasDeletions(), tir.hasDeletions());
    assertEquals(air.maxDoc(), tir.maxDoc());
    assertEquals(air.numDocs(), tir.numDocs());
    assertEquals(air.numDeletedDocs(), tir.numDeletedDocs());


    air.deleteDocument(3);
    tir.deleteDocument(3);

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