yes it grows until a max
public DiskPageStore()
{
this((int)Bytes.megabytes(10).bytes(),
(int)Bytes.megabytes(100).bytes(), 50);
}
(10MB for one pagemap and 100MB for a complete session over multiply
pagemaps)
On Fri, Jan 30, 2009 at 09:44, Jürgen Lind <[email protected]> wrote:
> Probably I was a bit unclear, I was talking about the serialized session
> on disk. Does the "should not grow" aspect apply there, too?
>
> J.
>
>
> Igor Vaynberg wrote:
>
>> considering wicket only keeps last-accessed page in session your
>> session shouldnt just keep growing...
>>
>> -igor
>>
>> On Thu, Jan 29, 2009 at 11:20 PM, Jürgen Lind <[email protected]>
>> wrote:
>>
>>> One more thing: just as a rule of thumb, what would be a reasonable
>>> amount of data that gets added to the session for a single request?
>>> 20k? 100k?
>>>
>>> Regards,
>>>
>>> J.
>>>
>>>
>>>
>>> Michael Sparer wrote:
>>>
>>>> I took a cursory glance over your code and saw
>>>>
>>>> item.add(new Link("update", new Model(auftrag))
>>>>
>>>> this way the "auftrag" gets into your session, you should say
>>>> item.getModel() there instead of new Model(auftrag)
>>>>
>>>> check your code if there is similar stuff in it - spotting those things
>>>> might be quite tedious, but you could e.g. temporarily remove the
>>>> "Serializable" from your model-classes and go spotting nonserializable
>>>> exceptions until they don't ocurr anymore.
>>>> hope that helps a bit - and thanks for beating leverkusen in 2000 ;-)
>>>>
>>>> regards,
>>>> Michael
>>>>
>>>> Jürgen Lind-2 wrote:
>>>>
>>>>> After some twiddling I found that the PagingNavigator seems to be the
>>>>> culprit.
>>>>> If I leave it out, the session grows only moderately, when I put it in,
>>>>> the
>>>>> domain objects end up in the session... Anyway here is the code:
>>>>>
>>>>> public class AuftragUebersicht extends MasterLayout {
>>>>>
>>>>> @SpringBean
>>>>> private AuftragBA auftragBA;
>>>>>
>>>>> public AuftragUebersicht() {
>>>>> this.initComponents();
>>>>> }
>>>>>
>>>>> private void initComponents() {
>>>>>
>>>>> final AuftragDataView auftragDataView = new
>>>>> AuftragDataView("resultList",
>>>>> new AuftragDataProvider(AuftragUebersicht.this.auftragBA), 10);
>>>>>
>>>>> Form form = new Form("searchForm") {
>>>>>
>>>>> public Form initComponents() {
>>>>> final TextField auftragsnummerField = new
>>>>> TextField("auftragsnummer",
>>>>> new
>>>>> Model(""));
>>>>> add(auftragsnummerField);
>>>>>
>>>>> Button searchButton = new Button("search") {
>>>>> public void onSubmit() {
>>>>> String auftragsnummer =
>>>>> auftragsnummerField.getModelObjectAsString();
>>>>>
>>>>> AuftragDataProvider p = (AuftragDataProvider)
>>>>> auftragDataView.getDataProvider();
>>>>> p.setQuery(new AuftragUebersichtQuery(auftragsnummer));
>>>>>
>>>>> if (auftragDataView.getDataProvider().size() == 0) {
>>>>> AuftragUebersicht.this.info("No results found!");
>>>>> }
>>>>> }
>>>>> };
>>>>> add(searchButton);
>>>>>
>>>>> return this;
>>>>> }
>>>>>
>>>>> }.initComponents();
>>>>>
>>>>> WebMarkupContainer resultListContainer = new
>>>>> WebMarkupContainer("resultListContainer") {
>>>>> public boolean isVisible() {
>>>>> return auftragDataView.getDataProvider().size() > 0;
>>>>> }
>>>>> };
>>>>>
>>>>> CheckGroup group = new CheckGroup("group", new
>>>>> ArrayList<PartnerAuftrag>());
>>>>>
>>>>> group.add(new CheckGroupSelector("groupselector"));
>>>>>
>>>>> group.add(auftragDataView);
>>>>>
>>>>> resultListContainer.add(new PagingNavigator("navigator",
>>>>> auftragDataView));
>>>>>
>>>>> resultListContainer.add(group);
>>>>>
>>>>> form.add(resultListContainer);
>>>>>
>>>>> this.add(form);
>>>>>
>>>>> }
>>>>> }
>>>>>
>>>>> public class AuftragDataView extends DataView {
>>>>>
>>>>> public AuftragDataView(String id, IDataProvider dataProvider, int
>>>>> itemsPerPage) {
>>>>> super(id, dataProvider, itemsPerPage);
>>>>> }
>>>>>
>>>>> @Override
>>>>> protected void populateItem(final Item item) {
>>>>>
>>>>> final PartnerAuftrag auftrag = (PartnerAuftrag)
>>>>> item.getModelObject();
>>>>> item.add(new Label("auftragsnummer", auftrag.getAuftragsnummer()));
>>>>> ...
>>>>>
>>>>> item.add(new Link("update", new Model(auftrag)) {
>>>>> public void onClick() {
>>>>> AuftragBearbeiten page = new AuftragBearbeiten((PartnerAuftrag)
>>>>> getModelObject());
>>>>> setResponsePage(page);
>>>>> }
>>>>> });
>>>>>
>>>>> item.add(new AttributeModifier("class", true, new
>>>>> AbstractReadOnlyModel() {
>>>>> public Object getObject() {
>>>>> return (item.getIndex() % 2 == 1) ? "even" : "odd";
>>>>> }
>>>>> }));
>>>>> }
>>>>>
>>>>> @Override
>>>>> protected void onDetach() {
>>>>> super.onDetach();
>>>>> }
>>>>> }
>>>>>
>>>>> public class AuftragDataProvider implements IDataProvider {
>>>>>
>>>>> private AuftragBA auftragBA;
>>>>> private AuftragUebersichtQuery query;
>>>>>
>>>>> private Collection<PartnerAuftrag> result;
>>>>>
>>>>> public AuftragDataProvider(AuftragUebersichtQuery query, AuftragBA
>>>>> auftragBA) {
>>>>> this.query = query;
>>>>> this.auftragBA = auftragBA;
>>>>> }
>>>>>
>>>>> public AuftragUebersichtQuery getQuery() {
>>>>> return this.query;
>>>>> }
>>>>>
>>>>> public void setQuery(AuftragUebersichtQuery query) {
>>>>> this.query = query;
>>>>> this.result = null;
>>>>> }
>>>>>
>>>>> public Iterator<PartnerAuftrag> iterator(int first, int count) {
>>>>> if (this.result == null) {
>>>>> this.performQuery();
>>>>> }
>>>>> return new ArrayList<PartnerAuftrag>(this.result).subList(first,
>>>>> first + count).iterator();
>>>>> }
>>>>>
>>>>> public IModel model(final Object object) {
>>>>> return new DetachablePartnerAuftragModel((PartnerAuftrag) object,
>>>>> this.auftragBA);
>>>>> }
>>>>>
>>>>> public int size() {
>>>>> if (this.result == null) {
>>>>> this.performQuery();
>>>>> }
>>>>> return this.result.size();
>>>>> }
>>>>>
>>>>> public void detach() {
>>>>> this.result = null;
>>>>> }
>>>>>
>>>>> private void performQuery() {
>>>>> ...
>>>>> }
>>>>> }
>>>>>
>>>>>
>>>>> public class DetachablePartnerAuftragModel extends
>>>>> LoadableDetachableModel
>>>>> {
>>>>>
>>>>> private Long id;
>>>>> private AuftragBA auftragBA;
>>>>>
>>>>> public DetachablePartnerAuftragModel(PartnerAuftrag auftrag, AuftragBA
>>>>> auftragBA) {
>>>>> this(auftrag.getAuftragsId(), auftragBA);
>>>>> }
>>>>>
>>>>> public DetachablePartnerAuftragModel(Long id, AuftragBA auftragBA) {
>>>>> this.id = id;
>>>>> this.auftragBA = auftragBA;
>>>>> }
>>>>>
>>>>> @Override
>>>>> protected Object load() {
>>>>> return this.auftragBA.findAuftragByAuftragsId(this.id);
>>>>> }
>>>>>
>>>>> @Override
>>>>> protected void onDetach() {
>>>>> super.onDetach();
>>>>> }
>>>>> }
>>>>>
>>>>> Michael Sparer wrote:
>>>>> > the objects shouldn't be serialized into the session if you're using
>>>>> > loadabledetachable models, please show us some code
>>>>> >
>>>>> > regards,
>>>>> > Michael
>>>>> >
>>>>> >
>>>>> > Jürgen Lind-2 wrote:
>>>>> >> Hi,
>>>>> >>
>>>>> >> I have a question on how the DataView component is supposed to
>>>>> work.
>>>>> In my
>>>>> >> application, I have to show quite large list of entities and so I
>>>>> am
>>>>> using
>>>>> >> a DataView together with LoadableDetachableModels to read the data
>>>>> on
>>>>> >> demand.
>>>>> >> However, when looking at the serialized sessions, I can observe
>>>>> that
>>>>> the
>>>>> >> session size constantly increases by a fairly large amount although
>>>>> I
>>>>> am
>>>>> >> just using the navigator to page through the list. Also, when
>>>>> looking
>>>>> into
>>>>> >> the serialized session, I can see that the objects that are
>>>>> supposed
>>>>> to
>>>>> >> be reloaded on demand are serialized into the session as well.
>>>>> >>
>>>>> >> Is this the behavior that I would expect from the DataView or am I
>>>>> making
>>>>> >> some mistake here?
>>>>> >>
>>>>> >> Regards,
>>>>> >>
>>>>> >> J.
>>>>> >>
>>>>> >> --
>>>>> >> Dr. Jürgen Lind
>>>>> >> iteratec GmbH Fon: +49 (0)89 614551-44
>>>>> >> Inselkammerstrasse 4 Fax: +49 (0)89 614551-10
>>>>> >> 82008 Unterhaching Web: www.iteratec.de
>>>>> >>
>>>>> >> Sitz und Registergericht der iteratec GmbH: München HRB 113 519
>>>>> >> Geschäftsführer: Klaus Eberhardt, Mark Goerke, Inge Hanschke, Ralf
>>>>> Menzel
>>>>> >>
>>>>> >>
>>>>> >>
>>>>> ---------------------------------------------------------------------
>>>>> >> To unsubscribe, e-mail: [email protected]
>>>>> >> For additional commands, e-mail: [email protected]
>>>>> >>
>>>>> >>
>>>>> >>
>>>>> >
>>>>> >
>>>>> > -----
>>>>> > Michael Sparer
>>>>> > http://talk-on-tech.blogspot.com
>>>>>
>>>>> --
>>>>> Mit freundlichen Grüßen,
>>>>>
>>>>> Jürgen Lind
>>>>>
>>>>> --
>>>>> Dr. Jürgen Lind
>>>>> iteratec GmbH Fon: +49 (0)89 614551-44
>>>>> Inselkammerstrasse 4 Fax: +49 (0)89 614551-10
>>>>> 82008 Unterhaching Web: www.iteratec.de
>>>>>
>>>>> Sitz und Registergericht der iteratec GmbH: München HRB 113 519
>>>>> Geschäftsführer: Klaus Eberhardt, Mark Goerke, Inge Hanschke, Ralf
>>>>> Menzel
>>>>>
>>>>>
>>>>> ---------------------------------------------------------------------
>>>>> To unsubscribe, e-mail: [email protected]
>>>>> For additional commands, e-mail: [email protected]
>>>>>
>>>>>
>>>>>
>>>>>
>>>> -----
>>>> Michael Sparer
>>>> http://talk-on-tech.blogspot.com
>>>>
>>> --
>>> Mit freundlichen Grüßen,
>>>
>>> Jürgen Lind
>>>
>>> --
>>> Dr. Jürgen Lind
>>> iteratec GmbH Fon: +49 (0)89 614551-44
>>> Inselkammerstrasse 4 Fax: +49 (0)89 614551-10
>>> 82008 Unterhaching Web: www.iteratec.de
>>>
>>> Sitz und Registergericht der iteratec GmbH: München HRB 113 519
>>> Geschäftsführer: Klaus Eberhardt, Mark Goerke, Inge Hanschke, Ralf Menzel
>>>
>>>
>>> ---------------------------------------------------------------------
>>> To unsubscribe, e-mail: [email protected]
>>> For additional commands, e-mail: [email protected]
>>>
>>>
>>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: [email protected]
>> For additional commands, e-mail: [email protected]
>>
>>
> --
> Mit freundlichen Grüßen,
>
> Jürgen Lind
>
> --
> Dr. Jürgen Lind
> iteratec GmbH Fon: +49 (0)89 614551-44
> Inselkammerstrasse 4 Fax: +49 (0)89 614551-10
> 82008 Unterhaching Web: www.iteratec.de
>
> Sitz und Registergericht der iteratec GmbH: München HRB 113 519
> Geschäftsführer: Klaus Eberhardt, Mark Goerke, Inge Hanschke, Ralf Menzel
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: [email protected]
> For additional commands, e-mail: [email protected]
>
>
