abstract_state.h

Go to the documentation of this file.

// NIST-developed software is provided by NIST as a public service. You may use, copy and distribute copies of the
// software in any medium, provided that you keep intact this entire notice. You may improve, modify and create
// derivative works of the software or any portion of the software, and you may copy and distribute such modifications
// or works. Modified works should carry a notice stating that you changed the software and should note the date and
// nature of any such change. Please explicitly acknowledge the National Institute of Standards and Technology as the
// source of the software. NIST-developed software is expressly provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND,
// EXPRESS, IMPLIED, IN FACT OR ARISING BY OPERATION OF LAW, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT AND DATA ACCURACY. NIST NEITHER REPRESENTS NOR
// WARRANTS THAT THE OPERATION OF THE SOFTWARE WILL BE UNINTERRUPTED OR ERROR-FREE, OR THAT ANY DEFECTS WILL BE
// CORRECTED. NIST DOES NOT WARRANT OR MAKE ANY REPRESENTATIONS REGARDING THE USE OF THE SOFTWARE OR THE RESULTS
// THEREOF, INCLUDING BUT NOT LIMITED TO THE CORRECTNESS, ACCURACY, RELIABILITY, OR USEFULNESS OF THE SOFTWARE. You
// are solely responsible for determining the appropriateness of using and distributing the software and you assume
// all risks associated with its use, including but not limited to the risks and costs of program errors, compliance
// with applicable laws, damage to or loss of data, programs or equipment, and the unavailability or interruption of
// operation. This software is not intended to be used in any situation where a failure could cause risk of injury or
// damage to property. The software developed by NIST employees is not subject to copyright protection within the
// United States.
 
#ifndef HEDGEHOG_ABSTRACT_STATE_H_
#define HEDGEHOG_ABSTRACT_STATE_H_
 
#include <shared_mutex>
 
#include "../../tools/traits.h"
#include "../../behavior/cleanable.h"
#include "../../behavior/multi_execute.h"
#include "../../behavior/input_output/state_multi_senders.h"
#include "../../core/nodes/core_state_manager.h"
 
#include "../memory_manager/manager/abstract_memory_manager.h"
 
namespace hh {
 
template<size_t Separator, class ...AllTypes>
class AbstractState
    : public behavior::Cleanable,
      public tool::BehaviorMultiExecuteTypeDeducer_t<tool::Inputs<Separator, AllTypes...>>,
      public tool::BehaviorStateMultiSendersTypeDeducer_t<tool::Outputs<Separator, AllTypes...>> {
#ifndef DOXYGEN_SHOULD_SKIP_THIS
  friend core::CoreStateManager<Separator, AllTypes...>;
#endif //DOXYGEN_SHOULD_SKIP_THIS
 private:
  mutable std::unique_ptr<std::shared_mutex> mutex_ = nullptr; 
  StateManager<Separator, AllTypes...> *stateManager_ = nullptr; 
 public:
  AbstractState() : mutex_(std::make_unique<std::shared_mutex>()) {}
  ~AbstractState() override = default;
 
  std::shared_ptr<ManagedMemory> getManagedMemory() { return stateManager_->getManagedMemory(); }
 
  void lock() { mutex_->lock(); }
 
  void unlock() { mutex_->unlock(); }
 
 private:
  void stateManager(StateManager<Separator, AllTypes...> *stateManager) { stateManager_ = stateManager; }
};
}
#endif //HEDGEHOG_ABSTRACT_STATE_H_