Program Listing for File state.hpp

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// Copyright 2016 Open Source Robotics Foundation, Inc.
//
// 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 RCLCPP_LIFECYCLE__STATE_HPP_
#define RCLCPP_LIFECYCLE__STATE_HPP_

#include <mutex>
#include <string>

#include "rcl_lifecycle/data_types.h"

#include "rclcpp_lifecycle/visibility_control.h"

#include "rcutils/allocator.h"

namespace rclcpp_lifecycle
{


class State
{
public:
  RCLCPP_LIFECYCLE_PUBLIC
  explicit State(rcutils_allocator_t allocator = rcutils_get_default_allocator());


  RCLCPP_LIFECYCLE_PUBLIC
  State(
    uint8_t id,
    const std::string & label,
    rcutils_allocator_t allocator = rcutils_get_default_allocator());


  RCLCPP_LIFECYCLE_PUBLIC
  explicit State(
    const rcl_lifecycle_state_t * rcl_lifecycle_state_handle,
    rcutils_allocator_t allocator = rcutils_get_default_allocator());

  RCLCPP_LIFECYCLE_PUBLIC
  State(const State & rhs);

  RCLCPP_LIFECYCLE_PUBLIC
  virtual ~State();

  RCLCPP_LIFECYCLE_PUBLIC
  State & operator=(const State & rhs);


  RCLCPP_LIFECYCLE_PUBLIC
  uint8_t
  id() const;


  RCLCPP_LIFECYCLE_PUBLIC
  std::string
  label() const;

protected:
  RCLCPP_LIFECYCLE_PUBLIC
  void
  reset() noexcept;

  rcutils_allocator_t allocator_;

  bool owns_rcl_state_handle_;

  mutable std::recursive_mutex state_handle_mutex_;
  rcl_lifecycle_state_t * state_handle_;
};

}  // namespace rclcpp_lifecycle
#endif  // RCLCPP_LIFECYCLE__STATE_HPP_