Examples of org.apache.hadoop.hbase.ipc.PayloadCarryingRpcController.cellScanner()

Class org.apache.hadoop.hbase.ipc.PayloadCarryingRpcController

Examples of org.apache.hadoop.hbase.ipc.PayloadCarryingRpcController.cellScanner()

org.apache.hadoop.hbase.ipc.PayloadCarryingRpcController.cellScanner()
@return One-shot cell scanner (you cannot back it up and restart)

  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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    }


    // 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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          try {
            MutateRequest request = RequestConverter.buildMutateRequest(
              getLocation().getRegionInfo().getRegionName(), append, nonceGroup, nonce);
            MutateResponse response = getStub().mutate(controller, request);
            if (!response.hasResult()) return null;
            return ProtobufUtil.toResult(response.getResult(), controller.cellScanner());
          } catch (ServiceException se) {
            throw ProtobufUtil.getRemoteException(se);
          }
        }
      };

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        controller.setCallTimeout(callTimeout);
        try {
          MutateRequest request = RequestConverter.buildMutateRequest(
            getLocation().getRegionInfo().getRegionName(), increment, nonceGroup, nonce);
          MutateResponse response = getStub().mutate(controller, request);
          return ProtobufUtil.toResult(response.getResult(), controller.cellScanner());
        } catch (ServiceException se) {
          throw ProtobufUtil.getRemoteException(se);
        }
      }
    };

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            MutateRequest request = RequestConverter.buildIncrementRequest(
              getLocation().getRegionInfo().getRegionName(), row, family,
              qualifier, amount, durability, nonceGroup, nonce);
            MutateResponse response = getStub().mutate(controller, request);
            Result result =
              ProtobufUtil.toResult(response.getResult(), controller.cellScanner());
            return Long.valueOf(Bytes.toLong(result.getValue(family, qualifier)));
          } catch (ServiceException se) {
            throw ProtobufUtil.getRemoteException(se);
          }
        }

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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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      PayloadCarryingRpcController controller = controllerFactory.newController();
      try {
        controller.setPriority(getTableName());
        controller.setCallTimeout(timeout);
        response = getStub().scan(controller, request);
        return ResponseConverter.getResults(controller.cellScanner(),
            response);
      } catch (ServiceException se) {
        throw ProtobufUtil.getRemoteException(se);
      }
    }

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              getLocation().getRegionInfo().getRegionName(), append, nonceGroup, nonce);
            PayloadCarryingRpcController rpcController = new PayloadCarryingRpcController();
            rpcController.setPriority(getTableName());
            MutateResponse response = getStub().mutate(rpcController, request);
            if (!response.hasResult()) return null;
            return ProtobufUtil.toResult(response.getResult(), rpcController.cellScanner());
          } catch (ServiceException se) {
            throw ProtobufUtil.getRemoteException(se);
          }
        }
      };

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          MutateRequest request = RequestConverter.buildMutateRequest(
            getLocation().getRegionInfo().getRegionName(), increment, nonceGroup, nonce);
          PayloadCarryingRpcController rpcController = new PayloadCarryingRpcController();
          rpcController.setPriority(getTableName());
          MutateResponse response = getStub().mutate(rpcController, request);
          return ProtobufUtil.toResult(response.getResult(), rpcController.cellScanner());
        } catch (ServiceException se) {
          throw ProtobufUtil.getRemoteException(se);
        }
        }
      };

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              qualifier, amount, durability, nonceGroup, nonce);
            PayloadCarryingRpcController rpcController = new PayloadCarryingRpcController();
            rpcController.setPriority(getTableName());
            MutateResponse response = getStub().mutate(rpcController, request);
            Result result =
              ProtobufUtil.toResult(response.getResult(), rpcController.cellScanner());
            return Long.valueOf(Bytes.toLong(result.getValue(family, qualifier)));
          } catch (ServiceException se) {
            throw ProtobufUtil.getRemoteException(se);
          }
        }

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