Igor,
thank you very much. I forgot to measure the session and have also
collected the byte size of the pagemap :-)
Thanks,
Maciej
Igor Vaynberg schrieb:
> are you sure the image data is stored in the session?
>
> we have RenderedDynamicImageResource<-DefaultButtonImageResource
>
> in RenderedDynamicImageResource we have
>
> private transient SoftReference imageData;
>
> so the field is transient and on top of that is a softreference. so
> first of it shouldnt make it into httpsession, and second it should be
> gced when memory runs short. are you observing this memory usage through
> a profiler? try to force gc and see if the memory drops.
>
> another way to optimize it is to do this:
> ResourceReference reference = new ResourceReference(resourceKey) {
> protected newResource() {
> return new DefaultButtonImageResource(text);
> }
> }
>
> Image image = Image(name, reference);
>
> that way you are lazily creating resources
>
> and if you want to optimize even further you can create a wrapper around
> the default button resource and register it as a shared resource. this
> wrapper would read the text off the url and pass it on to the default
> button resource. this way you dont even need to use Image, a much
> simpler custom class will do since all it has to do is set the src attr
> to the proper url.
>
> -igor
>
>
>
>
>
> On 1/8/07, [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>* <
> [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> wrote:
>
> Hi All!
>
> I have noticed that ResourceReferences to
> DefaultButtonImageResources are stored inside a pagemap and this is
> stored in users sessions. Is this the usual behaviour of wicket or
> can I tune it? My current session size depends mostly on size of all
> used Images which are factoried as ResourceReferences.
>
> My code flow looks like this:
>
> DefaultButtonImageResource button = new
> DefaultButtonImageResource(text);
> ResourceReference reference = new ResourceReference(resourceKey,
> button);
> Image image = Image(name, reference);
>
> and now some code from my page class:
>
> private List<Image> activeButtons = new LinkedList<Image>();
> activeButtons.add(image):
>
> Why is it necessary to store the whole image within the pagemap? May
> be I am doing someting wrong, do I?
>
> Thank you very much for any help.
>
> I have currently running my application succesfully on glassfish.
> Everything is great, the final prblem is only the size of pagemaps
> which mostly consist of image data.
>
> Maciej
>
>
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