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Re: Designing Interfaces

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From	Jeff Higgins <jeff@invalid.invalid>
Newsgroups	comp.lang.java.programmer
Subject	Re: Designing Interfaces
Date	Thu, 08 Mar 2012 09:35:59 -0500
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On 03/08/2012 09:11 AM, Jeff Higgins wrote:
> On 03/07/2012 07:27 PM, Novice wrote:
>> This is actually a discussion ...
>
> import java.io.Writer;
> import java.util.Locale;
> public interface Resume {
   Writer write(Template t);
> Writer write(Template t, Locale l);
> }
>
> public interface Template {
> Element root();
> }
>
> // ElementVisitor ana Element
> // swiped from javax.lang.model
>
> public interface ElementVisitor<R, P> {
> /**
> * Visits an element.
> * @param e the element to visit
> * @param p a visitor-specified parameter
> * @return a visitor-specified result
> */
> R visit(Element e, P p);
> }
>

Oops. skip the AttributeSet, you can include it in the P parameter.

> import java.util.List;
> public interface Element {
> <R, P> R accept(ElementVisitor<R, P> v, P p);
> Element enclosingElement();
> List<? extends Element> enclosedElements();
> }
>

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Thread

Designing Interfaces Novice <novice@example..com> - 2012-03-08 00:27 +0000
  Re: Designing Interfaces Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2012-03-08 08:28 -0400
  Re: Designing Interfaces Jeff Higgins <jeff@invalid.invalid> - 2012-03-08 09:11 -0500
    Re: Designing Interfaces Jeff Higgins <jeff@invalid.invalid> - 2012-03-08 09:35 -0500
      Re: Designing Interfaces Jeff Higgins <jeff@invalid.invalid> - 2012-03-08 19:24 -0500
        Re: Designing Interfaces Jeff Higgins <jeff@invalid.invalid> - 2012-03-08 19:36 -0500
  Re: Designing Interfaces Novice <novice@example..com> - 2012-03-11 23:29 +0000

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