ListView newsDetails = new ListView("newsDetails", new
LoadableDetachableModel(new PropertyModel(this, "articles")))
-igor
On Tue, Apr 29, 2008 at 10:46 AM, Andrew Broderick
<[EMAIL PROTECTED]> wrote:
> Hi,
>
> I have a page where I am using a PropertyModel to populate a ListView, so it
> will change when the underlying contents change:
>
> ListView newsDetails = new ListView("newsDetails", new
> PropertyModel(this, "articles"))
> {
> protected void populateItem(ListItem item)
> {
>
> final NewsDetails nd = (NewsDetails)
> item.getModelObject();
> item.add(new Label("articleDate",
> nd.getArticleDate()));
> item.add(new Label("articleTime",
> nd.getArticleTime()));
> item.add(new Label("newsShortDesc",
> nd.getNewsShortDesc()));
> newsUrlLink.add(new Label("newsTitle",
> nd.getNewsTitle()));
> item.add(newsUrlLink);
> }
> };
> add(newsDetails);
>
> The page class, obviously, has a getter named getArticles():
>
>
> public List<NewsDetails> getArticles()
> {
> ....
> }
>
> However, this seems to get called multiple times when the listview is being
> populated, not just once at the beginning of each time the page is displayer.
> Why is this happening? It results in many more hits to the database than are
> necessary.
>
> Thanks,
>
> Andrew B
>
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