Re: [Wicket-user] Question on Serialization
with the current 1.3 if you hold page references in other pages the
the main pag is not serialized as a whole. Every page reference we
come across is saved by itself in its own file. So pages are not saved
twice or multiply in more then one file. The only thing i dont know
currenlty is if PageX is the request page, PageY the response with a
reference to PageX then it is still possible then PageX is saved twice
(one time as main page and one time as a sub one, but this will result
in one file for pagex)
On 6/23/07, Iman Rahmatizadeh [EMAIL PROTECTED] wrote:
Does holding references to other Pages inside a Page make them be serialized
twice ? Like :
class MyPage extends Page {
ListPage otherPages;
}
would it make any difference if it was inside another object, like :
class MyPage extends Page {
MyPageHolder pageHolder; // serializable
}
finally, where exactly is this logic hidden in wicket code, so I can give it
a closer look ?
Iman
-
This SF.net email is sponsored by DB2 Express
Download DB2 Express C - the FREE version of DB2 express and take
control of your XML. No limits. Just data. Click to get it now.
http://sourceforge.net/powerbar/db2/
___
Wicket-user mailing list
Wicket-user@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Question on Serialization
no, also normal serialization. 1 page instance (id/version) is never saved in more then 1 file johan On 6/23/07, Eelco Hillenius [EMAIL PROTECTED] wrote: with the current 1.3 if you hold page references in other pages the the main pag is not serialized as a whole. Every page reference we come across is saved by itself in its own file. So pages are not saved twice or multiply in more then one file. The only thing i dont know currenlty is if PageX is the request page, PageY the response with a reference to PageX then it is still possible then PageX is saved twice (one time as main page and one time as a sub one, but this will result in one file for pagex) You are talking about the optimizatinos in the custom serialization mechanism, right? Eelco - This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user - This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Question on Serialization
with the current 1.3 if you hold page references in other pages the the main pag is not serialized as a whole. Every page reference we come across is saved by itself in its own file. So pages are not saved twice or multiply in more then one file. The only thing i dont know currenlty is if PageX is the request page, PageY the response with a reference to PageX then it is still possible then PageX is saved twice (one time as main page and one time as a sub one, but this will result in one file for pagex) You are talking about the optimizatinos in the custom serialization mechanism, right? Eelco - This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Question on Serialization
On 6/23/07, Johan Compagner [EMAIL PROTECTED] wrote: no, also normal serialization. 1 page instance (id/version) is never saved in more then 1 file Oh. See, I go on vacation for two weeks and I miss the serialization magic you've put into Page :) Nice job though! Eelco - This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Question on Serialization
Two weeks? No, we started doing that on apache con :) -Matej On 6/23/07, Eelco Hillenius [EMAIL PROTECTED] wrote: On 6/23/07, Johan Compagner [EMAIL PROTECTED] wrote: no, also normal serialization. 1 page instance (id/version) is never saved in more then 1 file Oh. See, I go on vacation for two weeks and I miss the serialization magic you've put into Page :) Nice job though! Eelco - This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user - This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Question on Serialization
On 6/23/07, Johan Compagner [EMAIL PROTECTED] wrote: with the current 1.3 if you hold page references in other pages the the main pag is not serialized as a whole. Every page reference we come across is saved by itself in its own file. So pages are not saved twice or multiply in more then one file. The only thing i dont know currenlty is if PageX is the request page, PageY the response with a reference to PageX then it is still possible then PageX is saved twice (one time as main page and one time as a sub one, but this will result in one file for pagex) How about 1.2.x ? Does it handle page references intelligently ? - This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
[Wicket-user] Question on Serialization
Does holding references to other Pages inside a Page make them be serialized
twice ? Like :
class MyPage extends Page {
ListPage otherPages;
}
would it make any difference if it was inside another object, like :
class MyPage extends Page {
MyPageHolder pageHolder; // serializable
}
finally, where exactly is this logic hidden in wicket code, so I can give it
a closer look ?
Iman
-
This SF.net email is sponsored by DB2 Express
Download DB2 Express C - the FREE version of DB2 express and take
control of your XML. No limits. Just data. Click to get it now.
http://sourceforge.net/powerbar/db2/___
Wicket-user mailing list
Wicket-user@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Question on Serialization
Does holding references to other Pages inside a Page make them be serialized
twice ? Like :
class MyPage extends Page {
ListPage 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
-
This SF.net email is sponsored by DB2 Express
Download DB2 Express C - the FREE version of DB2 express and take
control of your XML. No limits. Just data. Click to get it now.
http://sourceforge.net/powerbar/db2/
___
Wicket-user mailing list
Wicket-user@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Question on Serialization
On 6/23/07, Eelco Hillenius [EMAIL PROTECTED] wrote:
Does holding references to other Pages inside a Page make them be
serialized
twice ? Like :
class MyPage extends Page {
ListPage 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).
So actually it wont do any harm, just an object reference is added, right ?
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.
Actually I just want to make sure it wont take much more ram either way. I
am trying to implement a simple BreadCrumb bar, by keeping each page's
breadcrumb history (the recent page references) in itself. Is this a safe
way for a page to hold references to other pages ?
Thanks a lot !
Iman
-
This SF.net email is sponsored by DB2 Express
Download DB2 Express C - the FREE version of DB2 express and take
control of your XML. No limits. Just data. Click to get it now.
http://sourceforge.net/powerbar/db2/___
Wicket-user mailing list
Wicket-user@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/wicket-user
