[jira] Updated: (WSCOMMONS-17) Utilities do not allow for multiple choice navigation, an iterator would be useful.

["Brian Hulse (JIRA)" <ji...@apache.org>]

     [ http://issues.apache.org/jira/browse/WSCOMMONS-17?page=all ]

Brian Hulse updated WSCOMMONS-17:
---------------------------------

    Attachment: patch.zip

I've worked it as a method on the Policy, so if this doesn't suit, it'll have to be reworked.

> Utilities do not allow for multiple choice navigation, an iterator would be useful.
> -----------------------------------------------------------------------------------
>
>          Key: WSCOMMONS-17
>          URL: http://issues.apache.org/jira/browse/WSCOMMONS-17
>      Project: WS-Commons
>         Type: Improvement

>   Components: Policy
>     Reporter: Brian Hulse
>     Priority: Minor
>  Attachments: patch.zip
>
> If a Policy has a number of Alternatives, you can only get the first one easily using getPrimTermsList(). It's still possible to get the other Alternatives, but the user would have to go tracking through the tree structure, which isn't very usable. What I'm suggesting is an Iterator which just presents the Alternatives in the Policy. There are a couple of ways of doing this, first would be to have this as a static utility, but the second seems neater and that is to have an iterator() method on Policy itself which would return an Iterator object. So the user code would look like ...
>       Iterator it = pol.iterator();
>        while (it.hasNext()) {
>         List alternative = (List) it.next();
>         // Now go and check whether the alternative can be supported and suits ...
>       }
> As previously stated, this is one of the changes that I'd like to see since they're used heavily is the test bucket we have.
> Comments?

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