/* Copyright 2019 The TensorFlow Authors. All Rights Reserved.

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 TENSORFLOW_CORE_KERNELS_DATA_CACHE_DATASET_OPS_H_
#define TENSORFLOW_CORE_KERNELS_DATA_CACHE_DATASET_OPS_H_

#include "tensorflow/core/framework/dataset.h"

namespace tensorflow {
namespace data {

class CacheDatasetOp : public UnaryDatasetOpKernel {
 public:
  class FileDatasetBase;
  class MemoryDatasetBase;

  static constexpr const char* const kDatasetType = "Cache";
  static constexpr const char* const kInputDataset = "input_dataset";
  static constexpr const char* const kFileName = "filename";
  static constexpr const char* const kOutputTypes = "output_types";
  static constexpr const char* const kOutputShapes = "output_shapes";

  explicit CacheDatasetOp(OpKernelConstruction* ctx);

 protected:
  void MakeDataset(OpKernelContext* ctx, DatasetBase* input,
                   DatasetBase** output) override;

 private:
  class FileDataset;
  class FileDatasetV2;
  class MemoryDataset;
  class MemoryDatasetV2;

  const int op_version_;
};

}  // namespace data
}  // namespace tensorflow

#endif  // TENSORFLOW_CORE_KERNELS_DATA_CACHE_DATASET_OPS_H_
