我可以将构造函数参数传递给Unity的Resolve()方法吗?

问题描述:

我正在使用Microsoft的Unity进行依赖注入,我想做这样的事情:

I am using Microsoft's Unity for dependency injection and I want to do something like this:

IDataContext context = _unityContainer.Resolve<IDataContext>();
var repositoryA = _unityContainer.Resolve<IRepositoryA>(context); //Same instance of context
var repositoryB = _unityContainer.Resolve<IRepositoryB>(context); //Same instance of context

IDataContext context2 = _unityContainer.Resolve<IDataContext>(); //New instance
var repositoryA2 = _unityContainer.Resolve<IRepositoryA>(context2);

RepositoryA RepositoryB 都有一个构造函数,它需要一个 IDataContext 参数,我想要Unity使用我传递的上下文来初始化存储库。另请注意, IDataContext 未在Unity注册(我不想要3个 IDataContext 的实例)。

RepositoryA and RepositoryB both have a constructor that takes an IDataContext parameter, and I want Unity to initialize the repository with the context that I pass it. Also note that IDataContext is not registered with Unity (I don't want 3 instances of IDataContext).

截至今天,他们已经添加了这个功能:

As of today they have added this functionality:

在这里:

http:/ /unity.codeplex.com/SourceControl/changeset/view/33899

在此讨论:

http://unity.codeplex.com/Thread/View.aspx? ThreadId = 66434

示例:

container.Resolve<IFoo>(new ParameterOverrides<Foo> { { "name", "bar" }, { "address", 42 } });"