Package org.apache.hadoop.io.file.tfile.TFile.Reader

Examples of org.apache.hadoop.io.file.tfile.TFile.Reader.Scanner.advance()

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      byte[] vbuf = new byte[BUF_SIZE];
      int vlen = scanner.entry().getValueLength();
      scanner.entry().getValue(vbuf);
      Assert.assertEquals(new String(vbuf, 0, vlen), "valueZ");

      scanner.advance();

      // now try get value first
      vbuf = new byte[BUF_SIZE];
      vlen = scanner.entry().getValueLength();
      scanner.entry().getValue(vbuf);
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      byte[] vbuf = new byte[BUF_SIZE];
      int vlen = scanner.entry().getValueLength();
      scanner.entry().getValue(vbuf);
      Assert.assertEquals(new String(vbuf, 0, vlen), "valueZ");

      scanner.advance();

      // now try get value first
      vbuf = new byte[BUF_SIZE];
      vlen = scanner.entry().getValueLength();
      scanner.entry().getValue(vbuf);
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      key = new BytesWritable();
      value = new BytesWritable();
      while (!scanner.atEnd()) {
        scanner.entry().get(key, value);
        ++count;
        scanner.advance();
      }
      scanner.close();
      Assert.assertTrue(count > 0);
      rowCount += count;
    }
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      while (!scanner.atEnd()) {
        assertEquals("Incorrect RecNum returned by scanner", scanner.getRecordNum(), x);
        scanner.entry().get(key, value);
        ++count;
        assertEquals("Incorrect RecNum returned by scanner", scanner.getRecordNum(), x);
        scanner.advance();
        ++x;
      }
      scanner.close();
      Assert.assertTrue(count == (endRec - startRec));
    }
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    Reader reader =
        new Reader(fs.open(path), fs.getFileStatus(path).getLen(), conf);
    Scanner scanner = reader.createScanner();

    try {
      for (int nx = 0; nx < count; nx++, scanner.advance()) {
        Assert.assertFalse(scanner.atEnd());
        // Assert.assertTrue(scanner.next());

        byte[] kbuf = new byte[BUF_SIZE];
        int klen = scanner.entry().getKeyLength();
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        scanner.entry().getValue(vbuf);
        Assert.assertEquals(new String(vbuf, 0, vlen), VALUE + nx);
      }

      Assert.assertTrue(scanner.atEnd());
      Assert.assertFalse(scanner.advance());
    } finally {
      scanner.close();
      reader.close();
    }
  }
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      int klen1 = scanner.entry().getKeyLength();
      scanner.entry().getKey(kbuf1);
      Assert.assertEquals(new String(kbuf1, 0, klen1), composeSortedKey(KEY,
          recordIndex));

      if (scanner.advance() && !scanner.atEnd()) {
        // read the next key following the indexed
        byte[] kbuf2 = new byte[BUF_SIZE];
        int klen2 = scanner.entry().getKeyLength();
        scanner.entry().getKey(kbuf2);
        Assert.assertEquals(new String(kbuf2, 0, klen2), composeSortedKey(KEY,
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    byte[] vbuf1 = new byte[BUF_SIZE];
    int vlen1 = scanner.entry().getValueLength();
    scanner.entry().getValue(vbuf1);
    Assert.assertEquals(new String(vbuf1, 0, vlen1), VALUE + recordIndex);

    if (scanner.advance() && !scanner.atEnd()) {
      byte[] vbuf2 = new byte[BUF_SIZE];
      int vlen2 = scanner.entry().getValueLength();
      scanner.entry().getValue(vbuf2);
      Assert.assertEquals(new String(vbuf2, 0, vlen2), VALUE
          + (recordIndex + 1));
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      key = new BytesWritable();
      value = new BytesWritable();
      while (!scanner.atEnd()) {
        scanner.entry().get(key, value);
        ++count;
        scanner.advance();
      }
      scanner.close();
      Assert.assertTrue(count > 0);
      rowCount += count;
    }
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    Reader reader =
        new Reader(fs.open(path), fs.getFileStatus(path).getLen(), conf);
    Scanner scanner = reader.createScanner();

    try {
      for (int nx = 0; nx < count; nx++, scanner.advance()) {
        Assert.assertFalse(scanner.atEnd());
        // Assert.assertTrue(scanner.next());

        byte[] kbuf = new byte[BUF_SIZE];
        int klen = scanner.entry().getKeyLength();
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