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/*
 * Copyright (c) 2018, Ford Motor Company
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following
 * disclaimer in the documentation and/or other materials provided with the
 * distribution.
 *
 * Neither the name of the Ford Motor Company nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef SRC_APPMAIN_LIFE_CYCLE_H_
#define SRC_APPMAIN_LIFE_CYCLE_H_

namespace main_namespace {

/**
 * Class responsible for all system components creation,
 * start, stop, suspend and restore
 */

class LifeCycle {
 public:
  virtual ~LifeCycle() {}

  /**
   * Creates and starts all system components
   * @return true if all components started successfully
   * otherwise false.
   */
  virtual bool StartComponents() = 0;

  /**
   * Initializes MessageBroker component
   * @return true if success otherwise false.
   */
  virtual bool InitMessageSystem() = 0;

  /**
   * @brief Main loop
   */
  virtual void Run() = 0;

  /**
   * Stops all system components
   */
  virtual void StopComponents() = 0;

  /**
   * Makes appropriate actions when Low Voltage signal received:
   * Stops all SDL activities except of waiting of UNIX signals
   * from HMI
   */
  virtual void LowVoltage() = 0;

  /**
   * Makes appropriate actions when Wake Up signal received:
   * Restores all SDL activities stopped due to LOW VOLTAGE
   * from HMI
   */
  virtual void WakeUp() = 0;

  /**
   * Makes appropriate actions when Ignition Off signal received:
   * Triggers all SDL components stop and deletion
   */
  virtual void IgnitionOff() = 0;
};
}  //  namespace main_namespace

#endif  // SRC_APPMAIN_LIFE_CYCLE_H_