우리는 응용 프로그램 작동 방식을 사용자 정의하기 위해 도메인을 사용하고 있습니다. 나는 예에 그것을 설명합니다 :HttpContext의 매개 변수로 단일성을 통한 생성자 종속성 삽입
// default behavior
public class CoreService : IService {
public virtual string Hello { get { return "Hello"; } }
public virtual string FavouriteDrink { get { return "Water"; } }
}
// german.site.com
public class GermanService : CoreService {
public override string Hello { get { return "Gutten tag"; } }
public override string FavouriteDrink { get { return "Beer"; } }
}
// usa.site.com
public class UsaService : CoreService {
public override string FavouriteDrink { get { return "Cofee"; } }
}
서비스는 다음과 같이 부트 스트랩됩니다
var container = new UnityContainer();
container.RegisterType<IService, CoreService>();
container.RegisterType<IService, GermanService>("german.site.com");
container.RegisterType<IService, UsaService>("usa.site.com");
내가 MVC 컨트롤러를 부트 스트랩 유니티를 사용합니다. IE :
public class HomeController : Controller {
private IService m_Service;
// contructor dependency injection magic - this resolves into "CoreService"
public HomeController([Dependency]IService service) {
if (service == null) {
throw new ArgumentNullException("service");
}
m_Service = service;
}
}
도메인을 고려하여 단위 해상도를 변경하는 방법은 있습니까? 지금은
public class HomeController : Controller {
private IService m_Service;
// contructor dependency injection magic - a lot less magical
public HomeController() {
m_Service = DomainServiceLocator.Retrieve<IService>();
}
}
지원 클래스와 함께 결국 : 런타임에 뭔가를 해석 할 때
public static class DomainServiceLocator {
private static UnityContainerAdapter adapter;
public static T Retrieve<T>() {
string domain = HttpContext.Current.Request.Url.Host;
if (adapter.IsServiceRegistered(typeof(T), domain)) {
return adapter.Resolve<T>(domain);
}
return adapter.Resolve<T>();
}
}
public class QueryableContainerExtension : UnityContainerExtension {
private List<RegisterInstanceEventArgs> registeredInstances = new List<RegisterInstanceEventArgs>();
private List<RegisterEventArgs> registeredTypes = new List<RegisterEventArgs>();
protected override void Initialize() {
this.Context.Registering += (sender, e) => { this.registeredTypes.Add(e); };
this.Context.RegisteringInstance += (sender, e) => { this.registeredInstances.Add(e); };
}
public bool IsServiceRegistered(Type service, string name) {
return registeredTypes.FirstOrDefault(e => e.TypeFrom == service && e.Name == name) != null
|| registeredInstances.FirstOrDefault(e => e.RegisteredType == service && e.Name == name) != null;
}
}
public class UnityContainerAdapter {
private readonly QueryableContainerExtension queryableContainerExtension;
private readonly IUnityContainer unityContainer;
public UnityContainerAdapter()
: this(new UnityContainer()) {
}
public UnityContainerAdapter(IUnityContainer unityContainer) {
this.unityContainer = unityContainer;
// adding extensions to unity container
this.queryableContainerExtension = new QueryableContainerExtension();
unityContainer.AddExtension(this.queryableContainerExtension);
}
public T Resolve<T>(string name) {
return unityContainer.Resolve<T>(name);
}
public T Resolve<T>() {
return unityContainer.Resolve<T>();
}
public bool IsServiceRegistered(Type service, string name) {
return this.queryableContainerExtension.IsServiceRegistered(service, name);
}
}
이것을 알아 냈습니까? – user1987392