| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** |
| * @file |
| * Declares ignite::impl::compute::ComputeTaskHolder. |
| */ |
| |
| #ifndef _IGNITE_IMPL_COMPUTE_COMPUTE_TASK_HOLDER |
| #define _IGNITE_IMPL_COMPUTE_COMPUTE_TASK_HOLDER |
| |
| #include <stdint.h> |
| |
| #include <ignite/ignite_error.h> |
| #include <ignite/impl/compute/compute_job_holder.h> |
| |
| namespace ignite |
| { |
| namespace impl |
| { |
| namespace compute |
| { |
| /** |
| * Compute task holder. Internal helper class. |
| * Used to handle tasks in general way, without specific types. |
| */ |
| class ComputeTaskHolder |
| { |
| public: |
| /** |
| * Constructor. |
| * |
| * @param handle Job handle. |
| */ |
| ComputeTaskHolder(int64_t handle) : |
| handle(handle) |
| { |
| // No-op. |
| } |
| |
| /** |
| * Destructor. |
| */ |
| virtual ~ComputeTaskHolder() |
| { |
| // No-op. |
| } |
| |
| /** |
| * Process local job result. |
| * |
| * @param job Job. |
| * @return Policy. |
| */ |
| virtual int32_t JobResultLocal(ComputeJobHolder& job) = 0; |
| |
| /** |
| * Process remote job result. |
| * |
| * @param reader Reader for stream with result. |
| * @return Policy. |
| */ |
| virtual int32_t JobResultRemote(binary::BinaryReaderImpl& reader) = 0; |
| |
| /** |
| * Process error. |
| * |
| * @param err Error. |
| */ |
| virtual void JobResultError(const IgniteError& err) = 0; |
| |
| /** |
| * Process successful result. |
| * |
| * @param value Value. |
| */ |
| virtual void JobResultSuccess(int64_t value) = 0; |
| |
| /** |
| * Process successful result. |
| * |
| * @param reader Reader for stream with result. |
| */ |
| virtual void JobResultSuccess(binary::BinaryReaderImpl& reader) = 0; |
| |
| /** |
| * Process successful result. |
| */ |
| virtual void JobNullResultSuccess() = 0; |
| |
| /** |
| * Reduce results of related jobs. |
| */ |
| virtual void Reduce() = 0; |
| |
| /** |
| * Get related job handle. |
| * |
| * @return Job handle. |
| */ |
| int64_t GetJobHandle() |
| { |
| return handle; |
| } |
| |
| private: |
| /** Related job handle. */ |
| int64_t handle; |
| }; |
| |
| |
| /** |
| * Read future result. |
| * @tparam T Type of the result. |
| * @param value Value. |
| * @return Result. |
| */ |
| template<typename T> T PrimitiveFutureResult(int64_t value) |
| { |
| IGNITE_ERROR_FORMATTED_1(IgniteError::IGNITE_ERR_GENERIC, |
| "Primitive value passed to non-primitive future", "value", value); |
| } |
| |
| template<> inline int8_t PrimitiveFutureResult<int8_t>(int64_t value) |
| { |
| return static_cast<int8_t>(value); |
| } |
| |
| template<> inline int16_t PrimitiveFutureResult<int16_t>(int64_t value) |
| { |
| return static_cast<int16_t>(value); |
| } |
| |
| template<> inline int32_t PrimitiveFutureResult<int32_t>(int64_t value) |
| { |
| return static_cast<int32_t>(value); |
| } |
| |
| template<> inline int64_t PrimitiveFutureResult<int64_t>(int64_t value) |
| { |
| return static_cast<int64_t>(value); |
| } |
| |
| template<> inline bool PrimitiveFutureResult<bool>(int64_t value) |
| { |
| return value != 0; |
| } |
| |
| template<> inline uint16_t PrimitiveFutureResult<uint16_t>(int64_t value) |
| { |
| return static_cast<uint16_t>(value); |
| } |
| |
| template<> inline float PrimitiveFutureResult<float>(int64_t value) |
| { |
| impl::interop::BinaryFloatInt32 u; |
| |
| u.i = static_cast<int32_t>(value); |
| return u.f; |
| } |
| |
| template<> inline double PrimitiveFutureResult<double>(int64_t value) |
| { |
| impl::interop::BinaryDoubleInt64 u; |
| |
| u.i = value; |
| return u.d; |
| } |
| } |
| } |
| } |
| |
| #endif //_IGNITE_IMPL_COMPUTE_COMPUTE_TASK_HOLDER |