state_machine_event_loop.h

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/*
 * Software License Agreement (Apache License)
 *
 * Copyright (c) 2018 Plus One Robotics
 *
 * 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 "packml_sm/event.h"

#include <memory>
#include <thread>
#include <atomic>

namespace packml_sm
{
class StateMachineEventLoop
{
public:
  EventHandler<StateMachineEventLoop, EventArgs> updateTickEvent;

  StateMachineEventLoop(int interval = 50);
  ~StateMachineEventLoop();

  void start();
  void stop();

private:
  std::unique_ptr<std::thread> thread_;
  std::atomic<bool> stop_thread_;
  int interval_;

  void updateLoop();
};
}