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

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

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      int klen = scanner.entry().getKeyLength();
      scanner.entry().getKey(kbuf);
      Assert.assertEquals(new String(kbuf, 0, klen), "keyZ");

      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();
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      scanner.entry().getKey(kbuf);
      Assert.assertEquals(new String(kbuf, 0, klen), "keyZ");

      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
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      scanner.advance();

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

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

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

      kbuf = new byte[BUF_SIZE];
      klen = scanner.entry().getKeyLength();
      scanner.entry().getKey(kbuf);
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      vlen = scanner.entry().getValueLength();
      scanner.entry().getValue(vbuf);
      Assert.assertEquals(new String(vbuf, 0, vlen), "valueM");

      kbuf = new byte[BUF_SIZE];
      klen = scanner.entry().getKeyLength();
      scanner.entry().getKey(kbuf);
      Assert.assertEquals(new String(kbuf, 0, klen), "keyM");
    }
    finally {
      scanner.close();
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      scanner.entry().getValue(vbuf);
      Assert.assertEquals(new String(vbuf, 0, vlen), "valueM");

      kbuf = new byte[BUF_SIZE];
      klen = scanner.entry().getKeyLength();
      scanner.entry().getKey(kbuf);
      Assert.assertEquals(new String(kbuf, 0, klen), "keyM");
    }
    finally {
      scanner.close();
      reader.close();
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      Scanner scanner = reader.createScannerByByteRange(offset, splitSize);
      int count = 0;
      key = new BytesWritable();
      value = new BytesWritable();
      while (!scanner.atEnd()) {
        scanner.entry().get(key, value);
        ++count;
        scanner.advance();
      }
      scanner.close();
      Assert.assertTrue(count > 0);
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      BytesWritable key = new BytesWritable();
      BytesWritable value = new BytesWritable();
      long x=startRec;
      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;
      }
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    Reader reader = new Reader(fs.open(path), fs.getFileStatus(path).getLen(), conf);
    Scanner scanner = reader.createScanner();
    byte[] buf = new byte[K];
    try {
      scanner.entry().getKey(buf, -1);
      Assert.fail("Failed to handle key negative offset.");
    }
    catch (Exception e) {
      // noop, expecting exceptions
    }
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    Reader reader = new Reader(fs.open(path), fs.getFileStatus(path).getLen(), conf);
    Scanner scanner = reader.createScanner();

    byte[] vbuf = new byte[BUF_SIZE];
    int vlen = scanner.entry().getValueLength();
    scanner.entry().getValue(vbuf);
    Assert.assertEquals(new String(vbuf, 0, vlen), VALUE + 0);
    try {
      scanner.entry().getValue(vbuf);
      Assert.fail("Cannot get the value mlutiple times.");
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