26 lines
1.1 KiB
C#

using Microsoft.Extensions.DependencyInjection;
using System;
namespace DigitalData.Core.Legacy.Client
{
public static class ServiceFactory
{
private static readonly IServiceCollection _services = new ServiceCollection();
private static readonly Lazy<IServiceProvider> _lazyProvider = new Lazy<IServiceProvider>(Build);
public static IServiceCollection Services => !_lazyProvider.IsValueCreated
? _services
: throw new InvalidOperationException(
"Service provider has already been created. " +
"Further modifications to the service collection are not allowed. " +
"This is to ensure that the dependency injection container remains in a consistent state.");
private static IServiceProvider Build() => _services.BuildServiceProvider();
public static T Provide<T>() => _lazyProvider.Value.GetRequiredService<T>();
public static HttpClientService<TOptions> ProvideHttpClientService<TOptions>()
where TOptions : HttpClientOptions
=> _lazyProvider.Value.GetRequiredService<HttpClientService<TOptions>>();
}
}