recurrent_runner.h

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/******************************************************************************
 * Copyright 2017 The Apollo 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.
 *****************************************************************************/
 
#pragma once
 
#include <string>
 
#include "modules/monitor/common/monitor_manager.h"
 
namespace apollo {
namespace monitor {
 
class RecurrentRunner {
 public:
  RecurrentRunner(const std::string &name, const double interval);
  virtual ~RecurrentRunner() = default;
 
  // Tick once, which may or may not execute the RunOnce() function, based on
  // the interval setting.
  void Tick(const double current_time);
 
  // Do the actual work.
  virtual void RunOnce(const double current_time) = 0;
 
 protected:
  std::string name_;
  unsigned int round_count_ = 0;
 
 private:
  double interval_;
  double next_round_ = 0;
};
 
}  // namespace monitor
}  // namespace apollo