Package org.apache.hadoop.hbase

Examples of org.apache.hadoop.hbase.CellScanner

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    }

    // rpc controller is how we bring in data via the back door;  it is unprotobuf'ed data.
    // It is also the conduit via which we pass back data.
    PayloadCarryingRpcController controller = (PayloadCarryingRpcController)rpcc;
    CellScanner cellScanner = controller != null ? controller.cellScanner(): null;
    if (controller != null) controller.setCellScanner(null);

    long nonceGroup = request.hasNonceGroup() ? request.getNonceGroup() : HConstants.NO_NONCE;

    // this will contain all the cells that we need to return. It's created later, if needed.
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  public MutateResponse mutate(final RpcController rpcc,
      final MutateRequest request) throws ServiceException {
    // rpc controller is how we bring in data via the back door;  it is unprotobuf'ed data.
    // It is also the conduit via which we pass back data.
    PayloadCarryingRpcController controller = (PayloadCarryingRpcController)rpcc;
    CellScanner cellScanner = controller != null? controller.cellScanner(): null;
    // Clear scanner so we are not holding on to reference across call.
    if (controller != null) controller.setCellScanner(null);
    try {
      checkOpen();
      requestCount.increment();
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      s.setAuthorizations(new Authorizations(SECRET, CONFIDENTIAL, PRIVATE));
      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));
      cellScanner = next[1].cellScanner();
      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row2, 0, row2.length));
    } finally {
      if (table != null) {
        table.close();
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      s.setAuthorizations(new Authorizations(SECRET, CONFIDENTIAL, PRIVATE, COPYRIGHT, ACCENT,
          UNICODE_VIS_TAG));
      ResultScanner scanner = table.getScanner(s);
      Result[] next = scanner.next(3);
      assertTrue(next.length == 3);
      CellScanner cellScanner = next[0].cellScanner();
      cellScanner.advance();
      Cell current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row1, 0, row1.length));
      cellScanner = next[1].cellScanner();
      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row2, 0, row2.length));
      cellScanner = next[2].cellScanner();
      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row3, 0, row3.length));
    } finally {
      if (table != null) {
        table.close();
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      s.setAuthorizations(new Authorizations(UC1, UC2, ACCENT,
          UNICODE_VIS_TAG));
      ResultScanner scanner = table.getScanner(s);
      Result[] next = scanner.next(3);
      assertTrue(next.length == 3);
      CellScanner cellScanner = next[0].cellScanner();
      cellScanner.advance();
      Cell current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row1, 0, row1.length));
      cellScanner = next[1].cellScanner();
      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row2, 0, row2.length));
      cellScanner = next[2].cellScanner();
      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row3, 0, row3.length));
    } finally {
      if (table != null) {
        table.close();
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      Scan s = new Scan();
      s.setAuthorizations(new Authorizations(TOPSECRET, CONFIDENTIAL, PRIVATE, PUBLIC, SECRET));
      ResultScanner scanner = table.getScanner(s);
      Result[] next = scanner.next(4);
      assertEquals(3, next.length);
      CellScanner cellScanner = next[0].cellScanner();
      cellScanner.advance();
      Cell current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row2, 0, row2.length));
      cellScanner = next[1].cellScanner();
      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row3, 0, row3.length));
      cellScanner = next[2].cellScanner();
      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row4, 0, row4.length));
    } finally {
      if (table != null) {
        table.close();
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      assertEquals(countPerFamily * htd.getFamilies().size(), result.size());

      // Construct a WALEdit and add it a few times to the WAL.
      WALEdit edits = new WALEdit();
      for (Put p: puts) {
        CellScanner cs = p.cellScanner();
        while (cs.advance()) {
          edits.add(cs.current());
        }
      }
      // Add any old cluster id.
      List<UUID> clusterIds = new ArrayList<UUID>();
      clusterIds.add(UUID.randomUUID());
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      s.setMaxVersions(5);
      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();
      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(), 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();
      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row2, 0, row2.length));
    } finally {
      if (table != null) {
        table.close();
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      s.setMaxVersions(5);
      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(), 128l);
      cellScanner.advance();
      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();
      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 = next[1].cellScanner();
      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row2, 0, row2.length));

      put = new Put(Bytes.toBytes("row1"));
      put.add(fam, qual, 129l, value);
      put.setCellVisibility(new CellVisibility(SECRET));
      table.put(put);
      table.flushCommits();
      TEST_UTIL.getHBaseAdmin().flush(tableName);
      s = new Scan();
      s.setMaxVersions(5);
      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(), 129l);
    } finally {
      if (table != null) {
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      s.setMaxVersions(5);
      s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL, TOPSECRET));
      ResultScanner scanner = table.getScanner(s);
      Result[] next = scanner.next(3);
      assertTrue(next.length == 3);
      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();
      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(), 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();
      cellScanner.advance();
      current = cellScanner.current();
      assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
          current.getRowLength(), row2, 0, row2.length));
    } finally {
      if (table != null) {
        table.close();
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