Re: Generics question
Re: Generics question
- Subject: Re: Generics question
- From: "Bill Gallop" <email@hidden>
- Date: Thu, 28 May 2009 17:17:34 -0600
Ricardo,
Try defining your loginPageClass() like this:
public Class<? extends MPVLoginPage> loginPageClass() {
...
}
and override accordingly. Then Java will allow you to return any subclass of MPVLoginPage.
Bill
From: Ricardo J. Parada [mailto:email@hidden]
To: WebObjects-Dev Apple [mailto:email@hidden]
Sent: Thu, 28 May 2009 17:00:06 -0600
Subject: Generics question
I'm changing my code to use pageWithName(Foo.class) instead of pageWithName("Foo") through out the code.
Then I used to have a method that return the name of the login page which I changed to return the class of the login page. But then if an application wants to override that I end up with stuff like this:
public Class<MPVLoginPage> loginPageClass() {
return PPPLoginPage.class;
}
Here PPPLoginPage is a subclass of MPVLoginPage and I thought this would be allowed by java but I'm getting an error and I have not mastered generics that well yet. ;-)
Is there a better way to do this?
:-)
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