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CS2-127 Add lazy service registration.

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Фролов 2021-12-01 11:49:59 +05:00
parent 04052af874
commit 5c63c086ad
1 changed files with 13 additions and 0 deletions
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13
AsbCloudInfrastructure/DependencyInjection.cs
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@ -8,6 +8,7 @@ using AsbCloudInfrastructure.Services.WellOperationService;
using Microsoft.EntityFrameworkCore; using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration; using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection; using Microsoft.Extensions.DependencyInjection;
using System;
namespace AsbCloudInfrastructure namespace AsbCloudInfrastructure
{ {
@ -66,5 +67,17 @@ namespace AsbCloudInfrastructure
return services; return services;
} }
public static IServiceCollection AddTransientLazy<TService, TImplementation>(this IServiceCollection services)
where TService : class
where TImplementation : class, TService
=> services.AddTransient<TService, TImplementation>()
.AddTransient(provider => new Lazy<TService>(provider.GetService<TService>));
public static IServiceCollection AddTransientLazy<TService, TImplementation>(this IServiceCollection services, Func<IServiceProvider, TImplementation> implementationFactory)
where TService : class
where TImplementation : class, TService
=> services.AddTransient<TService, TImplementation>(implementationFactory)
.AddTransient(provider => new Lazy<TService>(() => implementationFactory(provider)));
} }
} }