LockableView.hpp

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#ifndef ECSTASY_THREAD_LOCKABLEVIEW_HPP_
#define ECSTASY_THREAD_LOCKABLEVIEW_HPP_
 
#include "ecstasy/thread/Lockable.hpp"
 
namespace ecstasy::thread
{
    class LockableViewBase {
      public:
        virtual ~LockableViewBase() = default;
    };
 
    template <Lockable L>
    class LockableView : public LockableViewBase {
      public:
        using LockableType = L;
        using WrappedType = L;
 
        LockableView(L &lockable) : _lockable(lockable)
        {
            _lockable.lock();
        }
 
        LockableView(const LockableView<L> &other) noexcept : _lockable(other._lockable)
        {
            _lockable.lock();
        }
 
        LockableView(const LockableView<L> &&other) noexcept : _lockable(other._lockable)
        {
            _lockable.lock();
        }
 
        ~LockableView()
        {
            _lockable.unlock();
        }
 
        [[nodiscard]] L &operator*() noexcept
        {
            return _lockable;
        }
 
        [[nodiscard]] L *operator->() noexcept
        {
            return &_lockable;
        }
 
        [[nodiscard]] L *operator->() const noexcept
        {
            return &_lockable;
        }
 
        [[nodiscard]] L &get() noexcept
        {
            return _lockable;
        }
 
        [[nodiscard]] L &get() const noexcept
        {
            return _lockable;
        }
 
      private:
        L &_lockable;
    };
 
} // namespace ecstasy::thread
 
#endif /* !ECSTASY_THREAD_LOCKABLEVIEW_HPP_ */