Common Service Locator library
2008-12-27 22:07
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你在你的应用程序应用IoC容器了吗,你是否希望不依赖于某个具体的IoC,微软的模式与实践团队在Codeplex上发布的Common Service Locator。Common Service Locator 类库包含应用程序和框架开发者引用Service location共享的接口。这个类库提供了在IOC容器和Service locators之上抽象。使用这个类库允许一个应用程序在没有强引用依赖下间接的访问的能力。它所定义的接口非常简单:
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Common Service Locator官方: http://www.codeplex.com/CommonServiceLocator
namespace Microsoft.Practices.ServiceLocation { public interface IServiceLocator : IServiceProvider { object GetInstance(Type serviceType); object GetInstance(Type serviceType, string key); IEnumerable
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还提供了一个ServiceLocator静态类作为单一的访问点:
namespace Microsoft.Practices.ServiceLocation { public static class ServiceLocator { private static ServiceLocatorProvider currentProvider; public static IServiceLocator Current { get { return currentProvider(); } } public static void SetLocatorProvider(ServiceLocatorProvider newProvider) { currentProvider = newProvider; } } }
这里使用服务器定位器解除IoC同组件之间的依赖关系。服务定位器的最基本的思想就是有一个对象定位器知晓如何控制应用程序需要的所有服务。网站上现在已经有了
常用的IoC的适配器,如果你使用Castle,你可以使用Castle Windsor Adaptor,如果你使用的是Unity,你可以使用Unity Adapter,还有Spring .NET Adapter,
StructureMap Adapter等等.
Common Service Locator官方: http://www.codeplex.com/CommonServiceLocator
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