callback.hpp

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2019-2021, NVIDIA CORPORATION.
 * SPDX-License-Identifier: Apache-2.0
 */
 
#pragma once
 
#include <type_traits>
 
namespace ML {
namespace Internals {
 
class Callback {
 public:
  virtual ~Callback() {}
};
 
class GraphBasedDimRedCallback : public Callback {
 public:
  template <typename T>
  void setup(int n, int n_components)
  {
    this->n            = n;
    this->n_components = n_components;
    this->isFloat      = std::is_same<T, float>::value;
  }
 
  virtual void on_preprocess_end(void* embeddings) = 0;
  virtual void on_epoch_end(void* embeddings)      = 0;
  virtual void on_train_end(void* embeddings)      = 0;
 
 protected:
  int n;
  int n_components;
  bool isFloat;
};
 
}  // namespace Internals
}  // namespace ML