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Inject a Class object as a static variable

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Alan Shaw

05 May, 2010 03:07 PM

Can I make this happen at application startup?:

[Inject] public static var pageClass:Class;

1. Support Staff 2 Posted by Joel Hooks on 05 May, 2010 03:11 PM

   

   not really. One, I don't think you are going to have luck with the base class injection.

   [inject] public function setPageClass(value:PageClass):void
   {
         pageClass = value; //sets static
   }
   

   That would work.

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2. 3 Posted by Alan Shaw on 05 May, 2010 03:22 PM

   

   Are you saying that it's not possible to inject a variable of type Class (a Class object not an instance)?

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3. Support Staff 4 Posted by Joel Hooks on 05 May, 2010 03:39 PM

   

   It is possible, assuming you only ever have a single mapping for type Class.

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4. Support Staff 5 Posted by Shaun Smith on 05 May, 2010 04:32 PM

   

   Hi Alan,

   Injecting a class (object) into another object is fine and shouldn't give you any issues. Injecting into a class (I'm looking at that "static" keyword) is another story..

   Using a DI container to set static (global) properties, whilst technically possible, is conceptually strange and practically dangerous. Besides, why use mutable statics when you have a DI container at your disposal?

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5. 6 Posted by Alan Shaw on 05 May, 2010 05:16 PM

   

   It appears that I can do this bit of configuration more simply without using injection. Guess I went overboard there. Thanks!

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6. Stray closed this discussion on 11 Feb, 2011 11:42 PM.

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