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