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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  @Override
  @QosPriority(priority = HConstants.REPLAY_QOS)
  public ReplicateWALEntryResponse replay(final RpcController controller,
      final ReplicateWALEntryRequest request) throws ServiceException {
    long before = EnvironmentEdgeManager.currentTimeMillis();
    CellScanner cells = ((PayloadCarryingRpcController) controller).cellScanner();
    try {
      checkOpen();
      List<WALEntry> entries = request.getEntryList();
      if (entries == null || entries.isEmpty()) {
        // empty input
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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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      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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      User user = User.getCurrent();
      for (int i = 0; i < cycles; i++) {
        List<CellScannable> cells = new ArrayList<CellScannable>();
        // Message param = RequestConverter.buildMultiRequest(HConstants.EMPTY_BYTE_ARRAY, rm);
        Message param = RequestConverter.buildNoDataMultiRequest(HConstants.EMPTY_BYTE_ARRAY, rm, cells);
        CellScanner cellScanner = CellUtil.createCellScanner(cells);
        if (i % 1000 == 0) {
          LOG.info("" + i);
          // Uncomment this for a thread dump every so often.
          // ReflectionUtils.printThreadInfo(new PrintWriter(System.out),
          //  "Thread dump " + Thread.currentThread().getName());
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            // as the last successfully retrieved row.
            // See HBASE-5974
            nextCallSeq++;
            long timestamp = System.currentTimeMillis();
            // Results are returned via controller
            CellScanner cellScanner = controller.cellScanner();
            rrs = ResponseConverter.getResults(cellScanner, response);
            if (logScannerActivity) {
              long now = System.currentTimeMillis();
              if (now - timestamp > logCutOffLatency) {
                int rows = rrs == null ? 0 : rrs.length;
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    long startTime = 0;
    if (LOG.isTraceEnabled()) {
      startTime = EnvironmentEdgeManager.currentTime();
    }
    int callTimeout = 0;
    CellScanner cells = null;
    if (pcrc != null) {
      callTimeout = pcrc.getCallTimeout();
      cells = pcrc.cellScanner();
      // Clear it here so we don't by mistake try and these cells processing results.
      pcrc.setCellScanner(null);
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          if (expectedCall && call.responseDefaultType != null) {
            Builder builder = call.responseDefaultType.newBuilderForType();
            builder.mergeDelimitedFrom(in);
            value = builder.build();
          }
          CellScanner cellBlockScanner = null;
          if (responseHeader.hasCellBlockMeta()) {
            int size = responseHeader.getCellBlockMeta().getLength();
            byte [] cellBlock = new byte[size];
            IOUtils.readFully(this.in, cellBlock, 0, cellBlock.length);
            cellBlockScanner = ipcUtil.createCellScanner(this.codec, this.compressor, cellBlock);
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    final int count = 10;
    for (int i = 0; i < count; i++) {
      cells.add(createCell(i));
    }
    PayloadCarryingRpcController controller = new PayloadCarryingRpcController(cells);
    CellScanner cellScanner = controller.cellScanner();
    int index = 0;
    for (; cellScanner.advance(); index++) {
      Cell cell = cellScanner.current();
      byte [] indexBytes = Bytes.toBytes(index);
      assertTrue("" + index, Bytes.equals(indexBytes, 0, indexBytes.length, cell.getValueArray(),
        cell.getValueOffset(), cell.getValueLength()));
    }
    assertEquals(count, index);
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   */
  static CellScannable createCell(final int index) {
    return new CellScannable() {
      @Override
      public CellScanner cellScanner() {
        return new CellScanner() {
          @Override
          public Cell current() {
            // Fake out a Cell.  All this Cell has is a value that is an int in size and equal
            // to the above 'index' param serialized as an int.
            return new Cell() {
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