forked from huawei/mindspore2022
70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
/**
|
|
* Copyright 2020 Huawei Technologies Co., Ltd
|
|
*
|
|
* Licensed 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.
|
|
*/
|
|
#ifndef MINDSPORE_CCSRC_MINDDATA_DATASET_ENGINE_RUNTIME_CONTEXT_H_
|
|
#define MINDSPORE_CCSRC_MINDDATA_DATASET_ENGINE_RUNTIME_CONTEXT_H_
|
|
|
|
#include <memory>
|
|
#include <utility>
|
|
#include "minddata/dataset/core/client.h"
|
|
#include "minddata/dataset/engine/consumers/tree_consumer.h"
|
|
|
|
namespace mindspore::dataset {
|
|
class TreeConsumer;
|
|
/// Class that represents single runtime instance which can consume data from a data pipeline
|
|
class RuntimeContext {
|
|
public:
|
|
/// Default constructor
|
|
RuntimeContext() = default;
|
|
|
|
/// Initialize the runtime, for now we just call the global init
|
|
/// \return Status error code
|
|
Status Init() const;
|
|
|
|
/// Set the tree consumer
|
|
/// \param tree_consumer to be assigned
|
|
void AssignConsumer(std::shared_ptr<TreeConsumer> tree_consumer);
|
|
|
|
/// Get the tree consumer
|
|
/// \return Raw pointer to the tree consumer.
|
|
TreeConsumer *GetConsumer();
|
|
|
|
/// Method to terminate the runtime, this will not release the resources
|
|
/// \return Status error code
|
|
virtual Status Terminate() = 0;
|
|
|
|
virtual ~RuntimeContext() = default;
|
|
|
|
std::shared_ptr<TreeConsumer> tree_consumer_;
|
|
};
|
|
|
|
/// Class that represents C++ single runtime instance which can consume data from a data pipeline
|
|
class NativeRuntimeContext : public RuntimeContext {
|
|
public:
|
|
/// Method to terminate the runtime, this will not release the resources
|
|
/// \return Status error code
|
|
Status Terminate() override;
|
|
|
|
~NativeRuntimeContext() override;
|
|
|
|
private:
|
|
/// Internal function to perform the termination
|
|
/// \return Status error code
|
|
Status TerminateImpl();
|
|
};
|
|
|
|
} // namespace mindspore::dataset
|
|
#endif // MINDSPORE_CCSRC_MINDDATA_DATASET_ENGINE_RUNTIME_CONTEXT_H_
|