Program Listing for File io_context.hpp

            

            
/*
* SPDX-FileCopyrightText: Copyright (c) 2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*
* 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 HOLOSCAN_CORE_IO_CONTEXT_HPP
#define HOLOSCAN_CORE_IO_CONTEXT_HPP

#include "./common.hpp"

namespace holoscan {

class InputContext {
 public:
  InputContext() = default;

  template <typename DataT, typename StringT,
            typename = std::enable_if_t<std::is_constructible_v<std::string, StringT>>>
  DataT receive(const StringT& name) {
    (void)name;
    return {};
  }

  template <typename DataT, typename... ArgsT>
  DataT receive(ArgsT&&... args) {
    return {};
  }
};

class OutputContext {
 public:
  OutputContext() = default;

  template <typename DataT, typename StringT,
            typename = std::enable_if_t<std::is_constructible_v<std::string, StringT>>>
  void emit(const StringT& name, DataT&) {
    (void)name;
  }

  template <typename DataT, typename... ArgsT>
  void emit(DataT&, ArgsT&&... args) {}
};

}  // namespace holoscan

#endif/* HOLOSCAN_CORE_IO_CONTEXT_HPP */