tf_tree_updater.hpp

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// Copyright 2024 Kotaro Uetake.
//
// 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 AWVIZ_COMMON__TRANSFORMATION__TF_TREE_UPDATER_HPP_
#define AWVIZ_COMMON__TRANSFORMATION__TF_TREE_UPDATER_HPP_
 
#include "awviz_common/transformation/tf_tree.hpp"
 
#include <rclcpp/rclcpp.hpp>
 
#include <tf2_ros/buffer.h>
 
#include <memory>
#include <mutex>
#include <string>
 
namespace awviz_common
{
class ITfTreeUpdater
{
public:
  virtual ~ITfTreeUpdater() = default;
 
  virtual void update(TfTree & tree) = 0;
};
 
class TfTreeUpdater final : public ITfTreeUpdater
{
public:
  TfTreeUpdater(
    rclcpp::Node::SharedPtr node, std::shared_ptr<tf2_ros::Buffer> tf_buffer,
    std::shared_ptr<std::mutex> tf_tree_mtx);
 
  void update(TfTree & tree) override;
 
private:
  rclcpp::Node::SharedPtr node_;
  std::shared_ptr<tf2_ros::Buffer> tf_buffer_;
  std::shared_ptr<std::mutex> tf_tree_mtx_;
};
}  // namespace awviz_common
 
#endif  // AWVIZ_COMMON__TRANSFORMATION__TF_TREE_UPDATER_HPP_