Examples of org.apache.hadoop.hbase.CellScanner.advance()

Class org.apache.hadoop.hbase.CellScanner

Examples of org.apache.hadoop.hbase.CellScanner.advance()

org.apache.hadoop.hbase.CellScanner.advance()
Advance the scanner 1 cell. @return true if the next cell is found and {@link #current()} will return a valid Cell @throws IOException

      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row1, 0, row1.length));
      assertEquals(current.getTimestamp(), 124l);
      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row1, 0, row1.length));
      assertEquals(current.getTimestamp(), 123l);
      cellScanner = next[1].cellScanner();

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      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row1, 0, row1.length));
      assertEquals(current.getTimestamp(), 123l);
      cellScanner = next[1].cellScanner();
      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row2, 0, row2.length));
      assertEquals(current.getTimestamp(), 127l);
    } finally {

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      s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL, TOPSECRET));
      ResultScanner scanner = table.getScanner(s);
      Result[] next = scanner.next(3);
      assertTrue(next.length == 2);
      CellScanner cellScanner = next[0].cellScanner();
      cellScanner.advance();
      Cell current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row1, 0, row1.length));
      assertEquals(current.getTimestamp(), 127l);
      cellScanner.advance();

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      cellScanner.advance();
      Cell current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row1, 0, row1.length));
      assertEquals(current.getTimestamp(), 127l);
      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row1, 0, row1.length));
      assertEquals(current.getTimestamp(), 126l);
      cellScanner.advance();

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      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row1, 0, row1.length));
      assertEquals(current.getTimestamp(), 126l);
      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row1, 0, row1.length));
      assertEquals(current.getTimestamp(), 125l);
      cellScanner.advance();

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      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row1, 0, row1.length));
      assertEquals(current.getTimestamp(), 125l);
      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row1, 0, row1.length));
      assertEquals(current.getTimestamp(), 124l);
      cellScanner.advance();

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      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row1, 0, row1.length));
      assertEquals(current.getTimestamp(), 124l);
      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row1, 0, row1.length));
      assertEquals(current.getTimestamp(), 123l);
      cellScanner = next[1].cellScanner();

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      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row1, 0, row1.length));
      assertEquals(current.getTimestamp(), 123l);
      cellScanner = next[1].cellScanner();
      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row2, 0, row2.length));


      // Issue 2nd delete

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      s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL, TOPSECRET));
      scanner = table.getScanner(s);
      next = scanner.next(3);
      assertTrue(next.length == 2);
      cellScanner = next[0].cellScanner();
      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row1, 0, row1.length));
      assertEquals(current.getTimestamp(), 126l);
      cellScanner.advance();

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      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row1, 0, row1.length));
      assertEquals(current.getTimestamp(), 126l);
      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row1, 0, row1.length));
      assertEquals(current.getTimestamp(), 125l);
      cellScanner.advance();

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