im not really sure what/where/why would be asked for twice?
dataview caches the size() for the duration of the request, and iterator()
is only called once per request...
-igor
On 1/18/07, Tim Squires <[EMAIL PROTECTED]> wrote:
Thanks Igor, the DataProvider /was/ caching the results. Do you know if
there's a nice way of retrieving the iterator and size without
retrieving the results twice?
i.e. I currently have
public Iterator iterator(int first, int count) {
return
ATMInstallsDao.getFromApplicationContext().getAllTasks().subList(first,
first + count)
.iterator();
}
public int size() {
return
ATMInstallsDao.getFromApplicationContext().getAllTasks().size();
}
Since it's using Sping/Hibernate/EhCache it does not actually go back to
the database but it would be nice not to ask the cache for the results
twice.
Thanks,
Tim
________________________________
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Igor
Vaynberg
Sent: 17 January 2007 16:07
To: wicket-user@lists.sourceforge.net
Subject: Re: [Wicket-user] DataView modelChanged
you dont need to do anything. next request the dataprovider is polled
again. if the dataview really doesnt refresh make sure your
dataprovider/orm layer are not doing any caching.
-igor
On 1/17/07, Tim Squires <[EMAIL PROTECTED]> wrote:
Hi again,
I have a simple DataView where one of the columns contains a
Link which
onClick modifies the data. What is the best way of telling the
DataView
that the model has changed. I've tried a few things, see the
comments
in the code....
Thanks for your help,
Tim
DataView dataView = new DataView("tasks",
new UserTaskDataProvider(user))
{
protected void populateItem(final Item
item) {
final TaskInstance task =
(TaskInstance)
item.getModelObject();
item.add(new Label("taskName",
task.getName()));
// add a link that, when
clicked,
assigns the task back to
// the group
Link assignLink = new
Link("assignLink")
{
@Override
public void onClick() {
ATMInstallsDao.getFromApplicationContext()
.assignTaskToGroup(task.getId(),
"InstallsTeam");
//-------------PLEASE
HELP WITH THIS BIT---------
// tell wicket
that
we've changed the model so it
// updates the
page
//tried.......
//
modelChanged(); -
does nothing (the Link objects model??)
//
DataView.this.modelChanged(); - does not compile no DataView
parent???
// This works
but is not
really the most efficient!.....
getRequestCycle().setResponsePage(new UserTasksPage(userName));
//------------------------------------------------
}
};
assignLink.add(new
Label("assignLinkLabel",
"assign to
group"));
item.add(assignLink);
}
};
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