lci_state_transition_table.hpp

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#pragma once
/*
 * Copyright (C) 2023 LEIDOS.
 *
 * 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.
 */
#include "lci_states.hpp"
#include <functional>
 
namespace lci_strategic_plugin
{
class LCIStrategicStateTransitionTable
{
public:
  using TransitionCallback = std::function<void(TransitState prev_state, TransitState new_state, TransitEvent signal)>;
 
  LCIStrategicStateTransitionTable() = default;
 
  TransitState getState() const;
 
  void signal(TransitEvent signal);
 
  void setTransitionCallback(TransitionCallback cb);
 
private:
  TransitState state_ = TransitState::UNAVAILABLE;
 
  TransitionCallback transition_callback_;
 
  // Helper functions for processing each provided signal based on the current state
  void signalWhenUNAVAILABLE(TransitEvent signal);
  void signalWhenAPPROACHING(TransitEvent signal);
  void signalWhenWAITING(TransitEvent signal);
  void signalWhenDEPARTING(TransitEvent signal);
 
  void logDebugSignal(TransitEvent signal) const;
 
  void setAndLogState(TransitState new_state, TransitEvent source_signal);
};
}  // namespace lci_strategic_plugin