ProjectDDD/Packages/SLSystem/SLEntitySpace/SLDataLoader.cs

namespace Superlazy
{
    public abstract class SLDataLoader
    {
        public delegate void LoadEvent(string fileExt, string data);

        protected event LoadEvent OnLoad;

        public void Register(LoadEvent loadAction)
        {
            OnLoad += loadAction;
        }

        public abstract void Load();

        protected void Load(string fileExt, string data)
        {
            OnLoad?.Invoke(fileExt, data);
        }
    }
}