تفاوت طول عمرهای Scoped, Transient و Singleton

public interface IOperation
{
    Guid OperationId { get; }
}

public interface IOperationTransient : IOperation
{
}

public interface IOperationScoped : IOperation
{
}

public interface IOperationSingleton : IOperation
{
}

public class Operation : IOperationTransient, IOperationScoped, IOperationSingleton
{
    Guid _guid;
    public Operation()
    {
        _guid = Guid.NewGuid();
    }

    public Guid OperationId => _guid;
}

public class OperationService
{
    public IOperationTransient TransientOperation { get; }
    public IOperationScoped ScopedOperation { get; }
    public IOperationSingleton SingletonOperation { get; }

    public OperationService(IOperationTransient transientOperation,
        IOperationScoped scopedOperation,
        IOperationSingleton singletonOperation)
    {
        TransientOperation = transientOperation;
        ScopedOperation = scopedOperation;
        SingletonOperation = singletonOperation;
    }
}

services.AddScoped<IOperationScoped, Operation>();
services.AddSingleton<IOperationSingleton, Operation>();
services.AddTransient<IOperationTransient, Operation>();
services.AddTransient<OperationService, OperationService>();

public class HomeController : Controller
{
    private readonly OperationService _operationService;
    private readonly IOperationTransient _transientOperation;
    private readonly IOperationScoped _scopedOperation;
    private readonly IOperationSingleton _singletonOperation;

    public HomeController(OperationService operationService, IOperationTransient transientOperation, IOperationScoped scopedOperation, IOperationSingleton singletonOperation)
    {
        _operationService = operationService;
        _transientOperation = transientOperation;
        _scopedOperation = scopedOperation;
        _singletonOperation = singletonOperation;
    }

    public IActionResult Index()
    {
        ViewBag.Transient = _transientOperation;
        ViewBag.Scoped = _scopedOperation;
        ViewBag.Singleton = _singletonOperation;
        ViewBag.Service = _operationService;
        return View();
    }
}

@{
    IOperationTransient operationTransient = (IOperationTransient)ViewBag.Transient;
    IOperationScoped operationScoped = (IOperationScoped)ViewBag.Scoped;
    IOperationSingleton operationSingleton = (IOperationSingleton)ViewBag.Singleton;
    OperationService operationService = (OperationService)ViewBag.Service;
}
<div>
    <p>Scoped : @operationScoped.OperationId</p>
    <p>Transient : @operationTransient.OperationId</p>
    <p>Singleton : @operationSingleton.OperationId</p>
</div>

<p>Operation Service</p>
<div>
    <p>Scoped : @operationService.ScopedOperation.OperationId</p>
    <p>Transient : @operationService.TransientOperation.OperationId</p>
    <p>Singleton : @operationService.SingletonOperation.OperationId</p>
</div>

Scoped : cc0de4ac-0aaf-4e18-8a66-7c9672384f7b

Transient : 853f0faa-658e-4d9e-8288-99656636a96d

Singleton : 94e426e4-ec53-4665-949c-07eaf2f76dad

Operation Service

Scoped : cc0de4ac-0aaf-4e18-8a66-7c9672384f7b

Transient : 11e27e2e-1ecf-4fb7-b90f-6aace02121a4

Singleton : 94e426e4-ec53-4665-949c-07eaf2f76dad

Scoped : d9f085f5-f72f-4eea-bf70-d490a602e80d

Transient : 11bab21a-032e-4eb5-8d5f-fd86ea19a640

Singleton : 94e426e4-ec53-4665-949c-07eaf2f76dad

Operation Service

Scoped : d9f085f5-f72f-4eea-bf70-d490a602e80d

Transient : 12f7a9a6-a38f-4abd-aef3-9cef25bb2732

Singleton : 94e426e4-ec53-4665-949c-07eaf2f76dad