text: /**
   * Copyright 2021 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_LITE_TOOLS_OPTIMIZER_PARALLEL_SPLITER_H
  #define MINDSPORE_LITE_TOOLS_OPTIMIZER_PARALLEL_SPLITER_H
  #include <vector>
  #include <string>
  #include <unordered_map>
  #include "schema/inner/model_generated.h"
  #include "utils/utils.h"
  #include "tools/optimizer/common/gllo_utils.h"
  #include "tools/converter/converter_flags.h"
  #include "include/context.h"
  #include "include/lite_types.h"
  namespace mindspore {
  namespace opt {
  
  class Spliter {
   public:
    static Spliter *GetInstance();
    Spliter(const Spliter &) = delete;
    Spliter &operator=(const Spliter &) = delete;
  
    // update current input node's output. if candidate node has been recorded, we will be ignore it, otherwise record it.
    void UpdateNodeOutputs(const std::string &input_node_name, const AnfNodePtr &candidate_output);
  
    // update current node's input shapes.
    void UpdateNodeInputShapes(const std::string &node_name, const std::vector<ShapeVector> &input_shapes);
  
    // update current node's output shapes.
    void UpdateNodeOutputShapes(const std::string &node_name, const std::vector<ShapeVector> &output_shapes);
  
    std::unordered_map<std::string, std::vector<AnfNodePtr>> graph_node_outputs() const { return graph_node_outputs_; }
  
    std::unordered_map<std::string, std::vector<ShapeVector>> graph_node_output_shapes() const {
      return graph_node_output_shapes_;
    }
  
    std::unordered_map<std::string, std::vector<ShapeVector>> graph_node_input_shapes() const {
      return graph_node_input_shapes_;
    }
  
   private:
    Spliter() = default;
    virtual ~Spliter() = default;
  
   private:
    std::unordered_map<std::string, std::vector<AnfNodePtr>> graph_node_outputs_;
    std::unordered_map<std::string, std::vector<ShapeVector>> graph_node_output_shapes_;
    std::unordered_map<std::string, std::vector<ShapeVector>> graph_node_input_shapes_;
  };
  }  // namespace opt
  }  // namespace mindspore
  #endif  // MINDSPORE_LITE_TOOLS_OPTIMIZER_PARALLEL_SPLITER_H
  