Spring Cache bez adnotacji

      @Value
    public class Settings{
        private final Long id;
    }

    public interface Repository<T, ID>{
        ID save(T settings);
        T find(ID id);
    }

    public class SettingsRepository implements Repository<Settings, Long>{

        @Override
        public Long save(Settings settings) {
            //bla bla bla
            return settings.getId();
        }

        @Override
        public Settings find(Long id) {
            //bla bla bla
            return null;
        }
    }


    public class CachingRepository<T, ID>  implements Repository<T, ID>{

        private final Repository<T, ID> repository;
        private final ConcurrentHashMap<ID, T> cache = new ConcurrentHashMap<>();

        public CachingRepository( Repository<T, ID> repository) {
            this.repository = repository;
        }
        
        @Override
        public ID save(T t) {
            ID saved = repository.save(t);
            cache.remove(saved);
            return saved;
        }

        @Override
        public T find(ID id) {
            return cache.computeIfAbsent(id, repository::find)
        }

    }


    Repository repo = new CachingRepository<>(new SettingsRepository());
    //jedziemy z koksem tryliard requestów / sekundę