鉴于此
Component.For<IService>().ImplementedBy<SecretService>().Named("secretService")
Component.For<IService>().ImplementedBy<PublicService>().Named("publicService")
还有
class Foo{
public Foo(IService publicService){ ...... }
}
还有
class Bar{
public Bar(IService secretService){ ...... }
}
那么我怎样才能实现以下目标
Foo 和 Bar 应该分别获取 publicService 和 SecretService 的实例,完全基于其构造函数参数的名称。
最佳答案
我现在已经使用自定义的 SubDependencyResolver 使其工作,我将其添加到容器中,现在它按名称注入(inject)实现
public class ByParameterNameResolver : ISubDependencyResolver
{
private readonly IKernel kernel;
public ByParameterNameResolver(IKernel kernel)
{
this.kernel = kernel;
}
public virtual bool CanResolve(CreationContext context, ISubDependencyResolver contextHandlerResolver, ComponentModel model, DependencyModel dependency)
{
if (dependency.TargetItemType == null)
return false;
if (string.IsNullOrWhiteSpace(dependency.DependencyKey))
return false;
return kernel.HasComponent(dependency.DependencyKey);
}
public virtual object Resolve(CreationContext context, ISubDependencyResolver contextHandlerResolver, ComponentModel model, DependencyModel dependency)
{
return kernel.Resolve(dependency.DependencyKey, dependency.TargetItemType);
}
}
关于inversion-of-control - 通过参数名称解决 CasSTLe Windsor 依赖关系,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/48542326/