> Does holding references to other Pages inside a Page make them be serialized
> twice ? Like :
>
> class MyPage extends Page {
>
> List<Page> otherPages;
> ....
> }
Yep, if you are using the SecondLevelCacheSessionStore, which is the
default for Wicket 1.3, evry page will get serialized as a whole, and
everytime you do that, it needs to resolve all the references
completely.
Note that this does not mean you will be using more RAM - that's the
same (except for the object pointer).
> would it make any difference if it was inside another object, like :
>
>
> class MyPage extends Page {
>
> MyPageHolder pageHolder; // serializable
> ....
> }
>
Nope. Any object that is non-transient and referencable will be
serialized, so this won't help.
There are optimizations possible, but it will probably be a hit on
your programming convenience. For instance, I think it is possible to
just store the page map/ page id and page version combination and use
that if you want to redirect to a previous one. Might be an idea to
check out if you are worried about optimizing.
Eelco
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