是否可以使用Guice注入请求注入的类？ [英] Is it possible to inject the class requesting injection using Guice?

问题描述

我希望对象的注入实例知道请求其注入的类的名称。我知道这种违背了依赖注入的整个概念，但它似乎是支持有用日志记录的有效用例。

I'd like an injected instance of an object to know the name of the class that is requesting its injection. I'm aware that this kind of violates the entire concept of dependency injection, but it seems like a valid use case for supporting useful logging. Is this possible with Guice?

示例：

class InjectorAware {
   @Inject
   public InjectorAware(Class injectorClass){
      System.out.println("I was injected into a "+injectorClass.getCanonicalName());
   }
}

class NeedsInjectorAwareField {
   @Inject InjectorAware injectorAware;
}

当NeedsInjectorAwareField被注入时，控制台将打印我被注入到somepackage中.NeedsInjectorAwareField

When NeedsInjectorAwareField gets injected, the console would print "I was injected into a somepackage.NeedsInjectorAwareField"

推荐答案

不可能只使用Guice，而且他们也不允许。

It is not possible using only Guice and they wont allow it.

http://code.google.com / p / google-guice / issues / detail？id = 27

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