Package org.apache.hadoop.hbase

Examples of org.apache.hadoop.hbase.CellScanner

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    long startTime = 0;
    if (LOG.isTraceEnabled()) {
      startTime = System.currentTimeMillis();
    }
    PayloadCarryingRpcController pcrc = (PayloadCarryingRpcController)controller;
    CellScanner cells = null;
    if (pcrc != null) {
      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 (call != null && 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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  throws IOException {
    final int count = 10;
    Cell [] cells = getCells(count);
    ByteBuffer bb = this.util.buildCellBlock(codec, compressor,
      CellUtil.createCellScanner(Arrays.asList(cells).iterator()));
    CellScanner scanner =
      this.util.createCellScanner(codec, compressor, bb.array(), 0, bb.limit());
    int i = 0;
    while (scanner.advance()) {
      i++;
    }
    assertEquals(count, i);
  }
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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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          if (rpcResponseType != null) {
            Builder builder = rpcResponseType.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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        throw new ServiceException(method.getName() + " didn't get two args: " + args.length);
      }
      // Get the controller.  Often null.  Presume payload carrying controller.  Payload is optional.
      // It is cells/data that we do not want to protobuf.
      PayloadCarryingRpcController controller = (PayloadCarryingRpcController)args[0];
      CellScanner cells = null;
      if (controller != null) {
        cells = controller.cellScanner();
        // Clear it here so we don't by mistake try and these cells processing results.
        controller.setCellScanner(null);
      }
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        responder.doRespond(callTooBig);
        return;
      }
      Method method = null;
      Message param = null;
      CellScanner cellScanner = null;
      try {
        if (header.hasRequestParam() && header.getRequestParam()) {
          method = methodCache.getMethod(this.protocol, header.getMethodName());
          Message m = methodCache.getMethodArgType(method);
          // Check that there is a param to deserialize.
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          callQueueSize.add(call.getSize() * -1);
          // Set the response for undelayed calls and delayed calls with
          // undelayed responses.
          if (!call.isDelayed() || !call.isReturnValueDelayed()) {
            Message param = resultPair != null? resultPair.getFirst(): null;
            CellScanner cells = resultPair != null? resultPair.getSecond(): null;
            call.setResponse(param, cells, errorThrowable, error);
          }
          call.sendResponseIfReady();
          status.markComplete("Sent response");
        } catch (InterruptedException e) {
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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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