Files
project-entity/Assets/_Project/Develop/Runtime/Infrastructure/DI/DIContainer.cs
2026-02-18 23:02:28 +05:00

80 lines
2.2 KiB
C#

using System;
using System.Collections.Generic;
namespace Assets._Project.Develop.Runtime.Infrastructure.DI
{
public class DIContainer
{
private readonly Dictionary<Type, Registration> _container = new();
private readonly List<Type> _requests = new();
private readonly DIContainer _parent;
public DIContainer() { }
public DIContainer(DIContainer parent) => _parent = parent;
public IRegistrationOptions RegisterAsSingle<T>(Func<DIContainer, T> creator)
{
if (IsAlreadyRegister<T>())
throw new InvalidOperationException($"{typeof(T)} already register");
Registration registration = new Registration(container => creator.Invoke(container));
_container.Add(typeof(T), registration);
return registration;
}
public bool IsAlreadyRegister<T>()
{
if (_container.ContainsKey(typeof(T)))
return true;
if (_parent != null)
return _parent.IsAlreadyRegister<T>();
return false;
}
public T Resolve<T>()
{
if (_requests.Contains(typeof(T)))
throw new InvalidOperationException($"Cycle resolve for {typeof(T)}");
_requests.Add(typeof(T));
try
{
if (_container.TryGetValue(typeof(T), out Registration registration))
return (T)registration.CreateInstanceFrom(this);
if (_parent != null)
return _parent.Resolve<T>();
}
finally
{
_requests.Remove(typeof(T));
}
throw new InvalidOperationException($"Registration for {typeof(T)} not exists");
}
public void Initialize()
{
foreach (Registration registration in _container.Values)
{
if (registration.IsNonLazy)
registration.CreateInstanceFrom(this);
registration.OnInitialize();
}
}
public void Dispose()
{
foreach (Registration registration in _container.Values)
registration.OnDispose();
}
}
}