Re: data persistence using hibernate
ro wrote: https://github.com/MarcGiffing/wicket-spring-boot/blob/master/wicket-spring-boot-starter-example/src/main/java/com/giffing/wicket/spring/boot/example/model/Customer.java This defines a JPA entity and this JPA/Hibernate https://github.com/MarcGiffing/wicket-spring-boot/blob/master/wicket-spring-boot-starter-example/src/main/resources/application.yml Project uses Spring magic I guess and will start a Hibernate with H2. Wicket is also started via SpringBoot. On Tue, Dec 20, 2022 at 7:44 AM James wrote: I've had a look through it but couldn't find any reference to hibernate so far, its entirely possible that I managed to miss it while I was searching though Best Regards James Pollard james.poll...@iinet.net.au On 19/12/22 5:06 pm, Ernesto Reinaldo Barreiro wrote: Hi, This project https://github.com/MarcGiffing/wicket-spring-boot contains a sample project that integrates with JPA/hibernate. On Mon, Dec 19, 2022 at 9:12 AM James wrote: Hi, can anyone direct me to any resources on how to integrate hibernate for data persistence? the closest I've managed to find is https://www.infoworld.com/article/2077901/web-development-with-wicket--part-3--many-ways-to-persist.html?page=7 but there's still things that are confusing me on how to ingrate an authenticated application with hibernate -- Best Regards James Pollard james.poll...@iinet.net.au - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org<mailto:users-unsubscr...@wicket.apache.org> For additional commands, e-mail: users-h...@wicket.apache.org<mailto:users-h...@wicket.apache.org> [EXTERNAL EMAIL] CAUTION: This email originated from outside of Telenav. DO NOT CLICK links or attachments unless you recognize the sender and know the content is safe. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: data persistence using hibernate
rter-example/src/main/java/com/giffing/wicket/spring/boot/example/model/Customer.java This defines a JPA entity and this JPA/Hibernate https://github.com/MarcGiffing/wicket-spring-boot/blob/master/wicket-spring-boot-starter-example/src/main/resources/application.yml Project uses Spring magic I guess and will start a Hibernate with H2. Wicket is also started via SpringBoot. On Tue, Dec 20, 2022 at 7:44 AM James wrote: I've had a look through it but couldn't find any reference to hibernate so far, its entirely possible that I managed to miss it while I was searching though Best Regards James Pollard james.poll...@iinet.net.au On 19/12/22 5:06 pm, Ernesto Reinaldo Barreiro wrote: Hi, This project https://github.com/MarcGiffing/wicket-spring-boot contains a sample project that integrates with JPA/hibernate. On Mon, Dec 19, 2022 at 9:12 AM James wrote: Hi, can anyone direct me to any resources on how to integrate hibernate for data persistence? the closest I've managed to find is https://www.infoworld.com/article/2077901/web-development-with-wicket--part-3--many-ways-to-persist.html?page=7 but there's still things that are confusing me on how to ingrate an authenticated application with hibernate -- Best Regards James Pollard james.poll...@iinet.net.au - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org<mailto:users-unsubscr...@wicket.apache.org> For additional commands, e-mail: users-h...@wicket.apache.org<mailto:users-h...@wicket.apache.org> [EXTERNAL EMAIL] CAUTION: This email originated from outside of Telenav. DO NOT CLICK links or attachments unless you recognize the sender and know the content is safe.
Re: data persistence using hibernate
JPA entity and this JPA/Hibernate https://github.com/MarcGiffing/wicket-spring-boot/blob/master/wicket-spring-boot-starter-example/src/main/resources/application.yml Project uses Spring magic I guess and will start a Hibernate with H2. Wicket is also started via SpringBoot. On Tue, Dec 20, 2022 at 7:44 AM James wrote: I've had a look through it but couldn't find any reference to hibernate so far, its entirely possible that I managed to miss it while I was searching though Best Regards James Pollard james.poll...@iinet.net.au On 19/12/22 5:06 pm, Ernesto Reinaldo Barreiro wrote: Hi, This project https://github.com/MarcGiffing/wicket-spring-boot contains a sample project that integrates with JPA/hibernate. On Mon, Dec 19, 2022 at 9:12 AM James wrote: Hi, can anyone direct me to any resources on how to integrate hibernate for data persistence? the closest I've managed to find is https://www.infoworld.com/article/2077901/web-development-with-wicket--part-3--many-ways-to-persist.html?page=7 but there's still things that are confusing me on how to ingrate an authenticated application with hibernate -- Best Regards James Pollard james.poll...@iinet.net.au - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: data persistence using hibernate
ank you for accommodating all my questions and misunderstandings so > >>>> far, I tend to use a reverse > >>>> engineer learning style so it's helped me immensely. > >>>> > >>>> Glad to be of some help. This is why this place is for. > >>> > >>>> I've included screenshots of the project file list and the application > >>>> class in the hopes that it makes > >>>> > >>> They didn't > >>> > >>> > >>>> understanding what I'm trying to convey easier > >>>> > >>>> Best Regards > >>>> James Pollard > >>>> james.poll...@iinet.net.au > >>>> > >>>> On 20/12/22 12:58 pm, Ernesto Reinaldo Barreiro wrote: > >>>> > https://github.com/MarcGiffing/wicket-spring-boot/blob/master/wicket-spring-boot-starter-example/src/main/java/com/giffing/wicket/spring/boot/example/model/Customer.java > >>>> > >>>>> This defines a JPA entity and this JPA/Hibernate > >>>>> > >>>>> > >>>> > https://github.com/MarcGiffing/wicket-spring-boot/blob/master/wicket-spring-boot-starter-example/src/main/resources/application.yml > >>>> > >>>>> Project uses Spring magic I guess and will start a Hibernate with H2. > >>>>> Wicket is also started via SpringBoot. > >>>>> > >>>>> > >>>>> On Tue, Dec 20, 2022 at 7:44 AM James > >>>> wrote: > >>>>>> I've had a look through it but couldn't find any reference to > >>>>>> hibernate > >>>>>> so far, its entirely > >>>>>> possible that I managed to miss it while I was searching though > >>>>>> > >>>>>> Best Regards > >>>>>> James Pollard > >>>>>> james.poll...@iinet.net.au > >>>>>> > >>>>>> On 19/12/22 5:06 pm, Ernesto Reinaldo Barreiro wrote: > >>>>>>> Hi, > >>>>>>> > >>>>>>> This project > >>>>>>> > >>>>>>> https://github.com/MarcGiffing/wicket-spring-boot > >>>>>>> > >>>>>>> contains a sample project that integrates with JPA/hibernate. > >>>>>>> > >>>>>>> > >>>>>>> On Mon, Dec 19, 2022 at 9:12 AM James > >>>>>> wrote: > >>>>>>>> Hi, > >>>>>>>> can anyone direct me to any resources on how to integrate > >>>>>>>> hibernate > >>>> for > >>>>>>>> data persistence? > >>>>>>>> > >>>>>>>> the closest I've managed to find is > >>>>>>>> > >>>>>>>> > >>>> > https://www.infoworld.com/article/2077901/web-development-with-wicket--part-3--many-ways-to-persist.html?page=7 > >>>> > >>>>>>>> but there's still things that are confusing me on how to > >>>>>>>> ingrate an > >>>>>>>> authenticated application with hibernate > >>>>>>>> > >>>>>>>> -- > >>>>>>>> Best Regards > >>>>>>>> James Pollard > >>>>>>>> james.poll...@iinet.net.au > >>>>>>>> > >>>>>>>> > >>>>>>>> > - > >>>>>>>> > >>>>>>>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > >>>>>>>> For additional commands, e-mail: users-h...@wicket.apache.org > >>>>>>>> > >>>>>>>> > >>>>>> > - > >>>>>> > >>>>>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > >>>>>> For additional commands, e-mail: users-h...@wicket.apache.org > >>>>>> > >>>>>> > >>>> > >>>> - > >>>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > >>>> For additional commands, e-mail: users-h...@wicket.apache.org > >>> > >>> > >> > >> > >> - > >> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > >> For additional commands, e-mail: users-h...@wicket.apache.org > >> > > > > > > - > > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > > For additional commands, e-mail: users-h...@wicket.apache.org > > > > > - > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > >
Re: data persistence using hibernate
persistence? the closest I've managed to find is https://www.infoworld.com/article/2077901/web-development-with-wicket--part-3--many-ways-to-persist.html?page=7 but there's still things that are confusing me on how to ingrate an authenticated application with hibernate -- Best Regards James Pollard james.poll...@iinet.net.au - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: data persistence using hibernate
But I'm not sure where to put the following parts Session sess = sessionFactory.openSession(); ManagedSessionContext.bind(sess); This is done in some utility method when you retrieve the session for the first time in the request. You should also check if the session is already bound by calling ManagedSessionContext.hasBind(SessionFactory factory) and binding it only once per request. unbindSessionFactory I have this in my custom implementation of IRequestCycleListener.onEndRequest(RequestCycle cycle) that you add in Application.init() method getRequestCycleListeners().add(new DataRequestCycleListener()); To be honest, I've until now stayed away from Spring as it still seems to me as a too much of a black box that I didn't find a time to invest in learning it, so I may not be the right person to give you advice, because my solution may not be the best one either, although it seems to be as javadoc of the ManagedSessionContext suggests. The solution I now use took heavy inspiration in old old, now nonexistent, Databinder that came around the time Wicket 1.2 or so and when I was tasked to select new java framework after landing my first job and found Wicket. Old times :D. Vit Thank you for the help so far both of you, I've probably made mistakes with implement parts of the previously outlined process. I've come from experimenting with javafx so wicket has been a radical change of direction for me so far. But since there is very little in the way of examples for database integration I'm struggling to get my head around how to implement it correctly, as well as knowing for sure whether I've done it correctly Best Regards James Pollard james.poll...@iinet.net.au On 23/12/22 10:16 am, Ernesto Reinaldo Barreiro wrote: Hi James, On Thu, Dec 22, 2022 at 2:24 PM James wrote: Thanks for the guidance so far, that pointed me to find additional resources on JPA I believe I have this configured correctly, but I'm confused about how to integrate JPA/Hibernate into a pure wicket authenticated web application project since the resource you directed me to previously seems to be more heavily on the spring side of things. This is true. I have used Hibernate/JPA without the SpringBoot parts... But those projects are private: some owned by me, others no. Thank you for accommodating all my questions and misunderstandings so far, I tend to use a reverse engineer learning style so it's helped me immensely. Glad to be of some help. This is why this place is for. I've included screenshots of the project file list and the application class in the hopes that it makes They didn't understanding what I'm trying to convey easier Best Regards James Pollard james.poll...@iinet.net.au On 20/12/22 12:58 pm, Ernesto Reinaldo Barreiro wrote: https://github.com/MarcGiffing/wicket-spring-boot/blob/master/wicket-spring-boot-starter-example/src/main/java/com/giffing/wicket/spring/boot/example/model/Customer.java This defines a JPA entity and this JPA/Hibernate https://github.com/MarcGiffing/wicket-spring-boot/blob/master/wicket-spring-boot-starter-example/src/main/resources/application.yml Project uses Spring magic I guess and will start a Hibernate with H2. Wicket is also started via SpringBoot. On Tue, Dec 20, 2022 at 7:44 AM James wrote: I've had a look through it but couldn't find any reference to hibernate so far, its entirely possible that I managed to miss it while I was searching though Best Regards James Pollard james.poll...@iinet.net.au On 19/12/22 5:06 pm, Ernesto Reinaldo Barreiro wrote: Hi, This project https://github.com/MarcGiffing/wicket-spring-boot contains a sample project that integrates with JPA/hibernate. On Mon, Dec 19, 2022 at 9:12 AM James wrote: Hi, can anyone direct me to any resources on how to integrate hibernate for data persistence? the closest I've managed to find is https://www.infoworld.com/article/2077901/web-development-with-wicket--part-3--many-ways-to-persist.html?page=7 but there's still things that are confusing me on how to ingrate an authenticated application with hibernate -- Best Regards James Pollard james.poll...@iinet.net.au - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: data persistence using hibernate
Thanks Vit,
I've defined the hibernate.cfg.xml file
I've defined the following globally in the Application class
private Configuration config = new Configuration();
private ServiceRegistry serviceRegistry;
private SessionFactory sessionFactory;
I've placed the following at the end of the init function
config.configure("hibernate.cfg.xml");
config.setProperty("hibernate.current_session_context_class", "managed");
serviceRegistry = new
StandardServiceRegistryBuilder().applySettings(config.getProperties()).build();
sessionFactory = config.buildSessionFactory(serviceRegistry);
But I'm not sure where to put the following parts
Session sess = sessionFactory.openSession();
ManagedSessionContext.bind(sess);
unbindSessionFactory
Thank you for the help so far both of you, I've probably made mistakes
with implement parts
of the previously outlined process.
I've come from experimenting with javafx so wicket has been a radical
change of direction for me
so far. But since there is very little in the way of examples for
database integration I'm struggling
to get my head around how to implement it correctly, as well as knowing
for sure whether I've
done it correctly
Best Regards
James Pollard
james.poll...@iinet.net.au
On 23/12/22 10:16 am, Ernesto Reinaldo Barreiro wrote:
Hi James,
On Thu, Dec 22, 2022 at 2:24 PM James wrote:
Thanks for the guidance so far, that pointed me to find additional
resources on JPA
I believe I have this configured correctly, but I'm confused about how
to integrate JPA/Hibernate into a
pure wicket authenticated web application project since the resource you
directed me to previously
seems to be more heavily on the spring side of things.
This is true. I have used Hibernate/JPA without the SpringBoot parts... But
those projects are private: some owned by me, others no.
Thank you for accommodating all my questions and misunderstandings so
far, I tend to use a reverse
engineer learning style so it's helped me immensely.
Glad to be of some help. This is why this place is for.
I've included screenshots of the project file list and the application
class in the hopes that it makes
They didn't
understanding what I'm trying to convey easier
Best Regards
James Pollard
james.poll...@iinet.net.au
On 20/12/22 12:58 pm, Ernesto Reinaldo Barreiro wrote:
https://github.com/MarcGiffing/wicket-spring-boot/blob/master/wicket-spring-boot-starter-example/src/main/java/com/giffing/wicket/spring/boot/example/model/Customer.java
This defines a JPA entity and this JPA/Hibernate
https://github.com/MarcGiffing/wicket-spring-boot/blob/master/wicket-spring-boot-starter-example/src/main/resources/application.yml
Project uses Spring magic I guess and will start a Hibernate with H2.
Wicket is also started via SpringBoot.
On Tue, Dec 20, 2022 at 7:44 AM James
wrote:
I've had a look through it but couldn't find any reference to hibernate
so far, its entirely
possible that I managed to miss it while I was searching though
Best Regards
James Pollard
james.poll...@iinet.net.au
On 19/12/22 5:06 pm, Ernesto Reinaldo Barreiro wrote:
Hi,
This project
https://github.com/MarcGiffing/wicket-spring-boot
contains a sample project that integrates with JPA/hibernate.
On Mon, Dec 19, 2022 at 9:12 AM James
wrote:
Hi,
can anyone direct me to any resources on how to integrate hibernate
for
data persistence?
the closest I've managed to find is
https://www.infoworld.com/article/2077901/web-development-with-wicket--part-3--many-ways-to-persist.html?page=7
but there's still things that are confusing me on how to ingrate an
authenticated application with hibernate
--
Best Regards
James Pollard
james.poll...@iinet.net.au
-
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-
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-
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Re: data persistence using hibernate
Hi James, On Thu, Dec 22, 2022 at 2:24 PM James wrote: > Thanks for the guidance so far, that pointed me to find additional > resources on JPA > I believe I have this configured correctly, but I'm confused about how > to integrate JPA/Hibernate into a > pure wicket authenticated web application project since the resource you > directed me to previously > seems to be more heavily on the spring side of things. > This is true. I have used Hibernate/JPA without the SpringBoot parts... But those projects are private: some owned by me, others no. > Thank you for accommodating all my questions and misunderstandings so > far, I tend to use a reverse > engineer learning style so it's helped me immensely. > > Glad to be of some help. This is why this place is for. > I've included screenshots of the project file list and the application > class in the hopes that it makes > They didn't > understanding what I'm trying to convey easier > > Best Regards > James Pollard > james.poll...@iinet.net.au > > On 20/12/22 12:58 pm, Ernesto Reinaldo Barreiro wrote: > > > https://github.com/MarcGiffing/wicket-spring-boot/blob/master/wicket-spring-boot-starter-example/src/main/java/com/giffing/wicket/spring/boot/example/model/Customer.java > > > > This defines a JPA entity and this JPA/Hibernate > > > > > https://github.com/MarcGiffing/wicket-spring-boot/blob/master/wicket-spring-boot-starter-example/src/main/resources/application.yml > > > > Project uses Spring magic I guess and will start a Hibernate with H2. > > Wicket is also started via SpringBoot. > > > > > > On Tue, Dec 20, 2022 at 7:44 AM James > wrote: > > > >> I've had a look through it but couldn't find any reference to hibernate > >> so far, its entirely > >> possible that I managed to miss it while I was searching though > >> > >> Best Regards > >> James Pollard > >> james.poll...@iinet.net.au > >> > >> On 19/12/22 5:06 pm, Ernesto Reinaldo Barreiro wrote: > >>> Hi, > >>> > >>> This project > >>> > >>> https://github.com/MarcGiffing/wicket-spring-boot > >>> > >>> contains a sample project that integrates with JPA/hibernate. > >>> > >>> > >>> On Mon, Dec 19, 2022 at 9:12 AM James > >> wrote: > >>>> Hi, > >>>> can anyone direct me to any resources on how to integrate hibernate > for > >>>> data persistence? > >>>> > >>>> the closest I've managed to find is > >>>> > >>>> > >> > https://www.infoworld.com/article/2077901/web-development-with-wicket--part-3--many-ways-to-persist.html?page=7 > >>>> but there's still things that are confusing me on how to ingrate an > >>>> authenticated application with hibernate > >>>> > >>>> -- > >>>> Best Regards > >>>> James Pollard > >>>> james.poll...@iinet.net.au > >>>> > >>>> > >>>> - > >>>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > >>>> For additional commands, e-mail: users-h...@wicket.apache.org > >>>> > >>>> > >> > >> - > >> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > >> For additional commands, e-mail: users-h...@wicket.apache.org > >> > >> > > > - > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org -- Regards - Ernesto Reinaldo Barreiro
Re: data persistence using hibernate
Hi,
I'm currently using Hibernate without Spring and what you want to
achieve can be done in several steps:
- prepare your org.hibernate.cfg.Configuration
- set Configuration's property:
config.setProperty("hibernate.current_session_context_class", "managed");
- get SessionFactory by caling org.hibernate.cfg.Configuration.build()
- store SessionFactory's instance somewhere and keep it for the duration
of your application
- when you request a session, bind it:
Session sess = sessionFactory.openSession();
ManagedSessionContext.bind(sess);
- at the end of request cycle, unbind SessionFactory. Implement your own
IRequestCycleListener and in IRequestCycleListener.onEndRequest call
unbind logic.
Here's what I use:
public void unbindSessionFactory(Object key, boolean closeSessionFactory)
{
SessionFactory sf = getHibernateSessionFactory(key);
if (hasBoundSession(sf))
{
Session sess = sf.getCurrentSession();
if (sess.isOpen())
{
try
{
if (sess.getTransaction().isActive())
{
sess.getTransaction().rollback();
}
}
finally
{
sess.close();
}
}
ManagedSessionContext.unbind(sf);
if (closeSessionFactory)
sf.close();
}
}
- when application exits, close session factory
Hope that helped.
Vit
On 22. 12. 22 8:23, James wrote:
Thanks for the guidance so far, that pointed me to find additional
resources on JPA
I believe I have this configured correctly, but I'm confused about how
to integrate JPA/Hibernate into a
pure wicket authenticated web application project since the resource
you directed me to previously
seems to be more heavily on the spring side of things.
Thank you for accommodating all my questions and misunderstandings so
far, I tend to use a reverse
engineer learning style so it's helped me immensely.
I've included screenshots of the project file list and the application
class in the hopes that it makes
understanding what I'm trying to convey easier
Best Regards
James Pollard
james.poll...@iinet.net.au
On 20/12/22 12:58 pm, Ernesto Reinaldo Barreiro wrote:
https://github.com/MarcGiffing/wicket-spring-boot/blob/master/wicket-spring-boot-starter-example/src/main/java/com/giffing/wicket/spring/boot/example/model/Customer.java
This defines a JPA entity and this JPA/Hibernate
https://github.com/MarcGiffing/wicket-spring-boot/blob/master/wicket-spring-boot-starter-example/src/main/resources/application.yml
Project uses Spring magic I guess and will start a Hibernate with H2.
Wicket is also started via SpringBoot.
On Tue, Dec 20, 2022 at 7:44 AM James
wrote:
I've had a look through it but couldn't find any reference to hibernate
so far, its entirely
possible that I managed to miss it while I was searching though
Best Regards
James Pollard
james.poll...@iinet.net.au
On 19/12/22 5:06 pm, Ernesto Reinaldo Barreiro wrote:
Hi,
This project
https://github.com/MarcGiffing/wicket-spring-boot
contains a sample project that integrates with JPA/hibernate.
On Mon, Dec 19, 2022 at 9:12 AM James
wrote:
Hi,
can anyone direct me to any resources on how to integrate
hibernate for
data persistence?
the closest I've managed to find is
https://www.infoworld.com/article/2077901/web-development-with-wicket--part-3--many-ways-to-persist.html?page=7
but there's still things that are confusing me on how to ingrate an
authenticated application with hibernate
--
Best Regards
James Pollard
james.poll...@iinet.net.au
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
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-
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Re: data persistence using hibernate
Thanks for the guidance so far, that pointed me to find additional resources on JPA I believe I have this configured correctly, but I'm confused about how to integrate JPA/Hibernate into a pure wicket authenticated web application project since the resource you directed me to previously seems to be more heavily on the spring side of things. Thank you for accommodating all my questions and misunderstandings so far, I tend to use a reverse engineer learning style so it's helped me immensely. I've included screenshots of the project file list and the application class in the hopes that it makes understanding what I'm trying to convey easier Best Regards James Pollard james.poll...@iinet.net.au On 20/12/22 12:58 pm, Ernesto Reinaldo Barreiro wrote: https://github.com/MarcGiffing/wicket-spring-boot/blob/master/wicket-spring-boot-starter-example/src/main/java/com/giffing/wicket/spring/boot/example/model/Customer.java This defines a JPA entity and this JPA/Hibernate https://github.com/MarcGiffing/wicket-spring-boot/blob/master/wicket-spring-boot-starter-example/src/main/resources/application.yml Project uses Spring magic I guess and will start a Hibernate with H2. Wicket is also started via SpringBoot. On Tue, Dec 20, 2022 at 7:44 AM James wrote: I've had a look through it but couldn't find any reference to hibernate so far, its entirely possible that I managed to miss it while I was searching though Best Regards James Pollard james.poll...@iinet.net.au On 19/12/22 5:06 pm, Ernesto Reinaldo Barreiro wrote: Hi, This project https://github.com/MarcGiffing/wicket-spring-boot contains a sample project that integrates with JPA/hibernate. On Mon, Dec 19, 2022 at 9:12 AM James wrote: Hi, can anyone direct me to any resources on how to integrate hibernate for data persistence? the closest I've managed to find is https://www.infoworld.com/article/2077901/web-development-with-wicket--part-3--many-ways-to-persist.html?page=7 but there's still things that are confusing me on how to ingrate an authenticated application with hibernate -- Best Regards James Pollard james.poll...@iinet.net.au - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: data persistence using hibernate
https://github.com/MarcGiffing/wicket-spring-boot/blob/master/wicket-spring-boot-starter-example/src/main/java/com/giffing/wicket/spring/boot/example/model/Customer.java This defines a JPA entity and this JPA/Hibernate https://github.com/MarcGiffing/wicket-spring-boot/blob/master/wicket-spring-boot-starter-example/src/main/resources/application.yml Project uses Spring magic I guess and will start a Hibernate with H2. Wicket is also started via SpringBoot. On Tue, Dec 20, 2022 at 7:44 AM James wrote: > I've had a look through it but couldn't find any reference to hibernate > so far, its entirely > possible that I managed to miss it while I was searching though > > Best Regards > James Pollard > james.poll...@iinet.net.au > > On 19/12/22 5:06 pm, Ernesto Reinaldo Barreiro wrote: > > Hi, > > > > This project > > > > https://github.com/MarcGiffing/wicket-spring-boot > > > > contains a sample project that integrates with JPA/hibernate. > > > > > > On Mon, Dec 19, 2022 at 9:12 AM James > wrote: > > > >> Hi, > >> can anyone direct me to any resources on how to integrate hibernate for > >> data persistence? > >> > >> the closest I've managed to find is > >> > >> > https://www.infoworld.com/article/2077901/web-development-with-wicket--part-3--many-ways-to-persist.html?page=7 > >> but there's still things that are confusing me on how to ingrate an > >> authenticated application with hibernate > >> > >> -- > >> Best Regards > >> James Pollard > >> james.poll...@iinet.net.au > >> > >> > >> - > >> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > >> For additional commands, e-mail: users-h...@wicket.apache.org > >> > >> > > > - > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > > -- Regards - Ernesto Reinaldo Barreiro
Re: data persistence using hibernate
I've had a look through it but couldn't find any reference to hibernate so far, its entirely possible that I managed to miss it while I was searching though Best Regards James Pollard james.poll...@iinet.net.au On 19/12/22 5:06 pm, Ernesto Reinaldo Barreiro wrote: Hi, This project https://github.com/MarcGiffing/wicket-spring-boot contains a sample project that integrates with JPA/hibernate. On Mon, Dec 19, 2022 at 9:12 AM James wrote: Hi, can anyone direct me to any resources on how to integrate hibernate for data persistence? the closest I've managed to find is https://www.infoworld.com/article/2077901/web-development-with-wicket--part-3--many-ways-to-persist.html?page=7 but there's still things that are confusing me on how to ingrate an authenticated application with hibernate -- Best Regards James Pollard james.poll...@iinet.net.au - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: data persistence using hibernate
Hi, This project https://github.com/MarcGiffing/wicket-spring-boot contains a sample project that integrates with JPA/hibernate. On Mon, Dec 19, 2022 at 9:12 AM James wrote: > Hi, > can anyone direct me to any resources on how to integrate hibernate for > data persistence? > > the closest I've managed to find is > > https://www.infoworld.com/article/2077901/web-development-with-wicket--part-3--many-ways-to-persist.html?page=7 > but there's still things that are confusing me on how to ingrate an > authenticated application with hibernate > > -- > Best Regards > James Pollard > james.poll...@iinet.net.au > > > - > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > > -- Regards - Ernesto Reinaldo Barreiro
data persistence using hibernate
Hi, can anyone direct me to any resources on how to integrate hibernate for data persistence? the closest I've managed to find is https://www.infoworld.com/article/2077901/web-development-with-wicket--part-3--many-ways-to-persist.html?page=7 but there's still things that are confusing me on how to ingrate an authenticated application with hibernate -- Best Regards James Pollard james.poll...@iinet.net.au - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Ajaxbutton, updating forms, broken persistence: strange, seemingly unrelated behaviour
Thank you, Sven. In my code I was not calling LoadableDetachableModel.detach() after persisting objects to the database. Something I should have done. As for the new events mechanism, I just had a look at the Migration to Wicket 1.5 and it looks like it's just what I need. The example from the wicket-example page is clear and concise. This will indeed untangle my code as you rightly put it. I shall read the Migration to Wicket 1.5 document as up until now I was more concern of having my code up and running and charging ahead with having my 1.4 code working on 1.5. Thanks for your help, Lucas -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/Ajaxbutton-updating-forms-broken-persistence-strange-seemingly-unrelated-behaviour-tp4650049p4650112.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Ajaxbutton, updating forms, broken persistence: strange, seemingly unrelated behaviour
Hi, without code its difficult to say what's going wrong in your project. wicket-dnd uses normal Wicke ajax request, so you can do anything what you would do with any other ajax enabled component: change models and components. The way I did this is I passed the parent tabbed panel wrapped in an Model all the way down to the wicketDnD table cells and from there I unwrap the parent tabbed panel and call parentTabbedPanel.makeButtonVisible(), passing the AjaxRequestTarget object from the wicketDnD object. This sounds a little bit complicated, perhaps using the new event mechanism would help to untangled this? Now, even calling LoadableDetachableModel.getObject() will not return updated objects from the DB. Usually you'll have to call detach() on you LDM if you change something in the DB, e.g. add or remove a record. Are you doing this? Hope this helps Sven On 06/19/2012 10:57 AM, lucast wrote: Dear Forum, I apologise for this long post. 1) I have a long nested structure of panels: a tabbed panel containing the main panel, which holds a dynamically created table and each table cell has a small panel with wicketDnD functionality. 2) I wanted the tabbed to have a small panel with labels and have an ajax button made visible whenever something is dropped on the wicketDnD table cells. 3) Within the wicketDnD table cells onDrop(AjaxRequestTarget target, Transfer transfer, Location location) and onAfterDrop(AjaxRequestTarget target, Transfer transfer) I persist objects to the database using standard hibernate calls. 4)This worked fine until I implemented the functionality described in 2). The way I did this is I passed the parent tabbed panel wrapped in an Model all the way down to the wicketDnD table cells and from there I unwrap the parent tabbed panel and call parentTabbedPanel.makeButtonVisible(), passing the AjaxRequestTarget object from the wicketDnD object. Now, even calling LoadableDetachableModel.getObject() will not return updated objects from the DB. This, strangely enough, only happens the third time I make use of wicketDnD.onDrop() or wicketDnD.onAfterDrop(). I am loosing the hibernate session. But this didn't happen before I implemented 2) (described above). So: I don't know if the way I implemented 4) is the right way to implement such functionality And How could this Ajax behaviour have broken the hibernate session? I am utterly baffled. Thanks in advance, Lucas -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/Ajaxbutton-updating-forms-broken-persistence-strange-seemingly-unrelated-behaviour-tp4650049.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Persistence.
I'll repeat my plea for patience as I'm new to Java and Wicket, but have some
minimal experience with ASP.net forms (not MVC). I've reached that point in the
learning process where I want to interact with a database and I wish to use
entities and Hibernate to make it easier. From what I've seen in various blogs
and forums, some say you shouldn't use entities as models, yet others do it
with LDMs. Since I'm taking baby steps, I want to start by using entities as
models, unless someone convinces me I'm wasting my time. Following the basic
Hibernate tutorials for persisting simple classes, I've managed to make the
following work in Wicket. In the LDM load... @Override
public Person load()
{
Session session = WicketApp.sessionFactory.openSession();
session.beginTransaction();
Person person = (Person) session.get(Person.class, 1L);
session.getTransaction().commit();
session.close();
return person;
} In the form I update the evil entity model with text boxes, using a CPM
containing the LDM. In the submit button... public void onSubmit()
{
Session session = WicketApp.sessionFactory.openSession();
session.beginTransaction();
session.update(ldm.getObject());
session.getTransaction().commit();
session.close(); this.setResponsePage(EndPage.class);
} The sessionFactory is a static member of the WicketApp application class,
initialized in the init() method. This seems to work, but I suppose there are
all kinds of faulty design patterns used here. My main concern is... how can I
do this without opening a new Hibernate session in onSubmit()? During postback,
I think I should be able to reuse the same session opened at ldm.load() in
onSubmit() also, as it all occurs in the same request. Is this possible? Thanks
for your assistance. Please feel free to point out every flaw.
Re: Persistence.
Gosh, you can use Hibernate if you want, but I write plain DAO classes
with JDBC Wicket they work just fine. No fuss, no muss. Just my take
on it, though. I know there are some that like Hibernate. But try as I
might, I've never been able to justify yet another third party library for
my needs.
There are three kinds of lies: lies, damn lies, and statistics.
Benjamin Disraeli
Then there was the man who drowned crossing a stream with an average
depth of six inches.
W. I. E. Gates
From: JASON HOLT j_holt5...@msn.com
To: users@wicket.apache.org
Date: 05/08/2012 03:37 PM
Subject:Persistence.
I'll repeat my plea for patience as I'm new to Java and Wicket, but have
some minimal experience with ASP.net forms (not MVC). I've reached that
point in the learning process where I want to interact with a database and
I wish to use entities and Hibernate to make it easier. From what I've
seen in various blogs and forums, some say you shouldn't use entities as
models, yet others do it with LDMs. Since I'm taking baby steps, I want to
start by using entities as models, unless someone convinces me I'm wasting
my time. Following the basic Hibernate tutorials for persisting simple
classes, I've managed to make the following work in Wicket. In the LDM
load... @Override
public Person load()
{
Session session = WicketApp.sessionFactory.openSession();
session.beginTransaction();
Person person = (Person) session.get(Person.class, 1L);
session.getTransaction().commit();
session.close();
return person;
} In the form I update the evil entity model with text boxes, using a CPM
containing the LDM. In the submit button... public void onSubmit()
{
Session session = WicketApp.sessionFactory.openSession();
session.beginTransaction();
session.update(ldm.getObject());
session.getTransaction().commit();
session.close(); this.setResponsePage(EndPage.class);
} The sessionFactory is a static member of the WicketApp application
class, initialized in the init() method. This seems to work, but I suppose
there are all kinds of faulty design patterns used here. My main concern
is... how can I do this without opening a new Hibernate session in
onSubmit()? During postback, I think I should be able to reuse the same
session opened at ldm.load() in onSubmit() also, as it all occurs in the
same request. Is this possible? Thanks for your assistance. Please feel
free to point out every flaw.
**
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Re: Persistence.
You should take a look at some of the RAD tools for persistence with
Wicket. I wrote a library called Wicketopia that can probably help
you get started.
On Tue, May 8, 2012 at 4:35 PM, JASON HOLT j_holt5...@msn.com wrote:
I'll repeat my plea for patience as I'm new to Java and Wicket, but have some
minimal experience with ASP.net forms (not MVC). I've reached that point in
the learning process where I want to interact with a database and I wish to
use entities and Hibernate to make it easier. From what I've seen in various
blogs and forums, some say you shouldn't use entities as models, yet others
do it with LDMs. Since I'm taking baby steps, I want to start by using
entities as models, unless someone convinces me I'm wasting my time.
Following the basic Hibernate tutorials for persisting simple classes, I've
managed to make the following work in Wicket. In the LDM load... @Override
public Person load()
{
Session session = WicketApp.sessionFactory.openSession();
session.beginTransaction();
Person person = (Person) session.get(Person.class, 1L);
session.getTransaction().commit();
session.close();
return person;
} In the form I update the evil entity model with text boxes, using a CPM
containing the LDM. In the submit button... public void onSubmit()
{
Session session = WicketApp.sessionFactory.openSession();
session.beginTransaction();
session.update(ldm.getObject());
session.getTransaction().commit();
session.close(); this.setResponsePage(EndPage.class);
} The sessionFactory is a static member of the WicketApp application class,
initialized in the init() method. This seems to work, but I suppose there are
all kinds of faulty design patterns used here. My main concern is... how can
I do this without opening a new Hibernate session in onSubmit()? During
postback, I think I should be able to reuse the same session opened at
ldm.load() in onSubmit() also, as it all occurs in the same request. Is this
possible? Thanks for your assistance. Please feel free to point out every
flaw.
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
Re: Page/Session persistence on AppEngine
Hi Chris, we encountered similar problems, and wrote two blogposts: One about tweaking all the components, one about zipping the session. http://www.small-improvements.com/blog/technical/tuning-wicket-session-size http://blog.small-improvements.com/2012/02/19/reducing-wicket-session-size-to-one-third/ You should use a proper profiler (e.g. JProfiler) to figure out the size of your pages and objects, much more efficient than logging stuff youself. And then also you can also write a custom IPageMapEvictionStrategy that takes session size into consideration when evicting pages (e.g. you evict so many pages until the session size is below 1MB again). That's the last resort only, but helps avoiding the nasty blank exception page. All combined, you should be able to work around the session size issue. Cheers, Per -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/Page-Session-persistence-on-AppEngine-tp4475827p4518388.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Page/Session persistence on AppEngine
Hi, Read https://cwiki.apache.org/confluence/display/WICKET/Page+Storage You need custom IDataStore. By default Wicket uses DiskDataStore. With GAE-initializer this is replaced with HttpSessionDataStore, see org.apache.wicket.pageStore.memory.DataStoreEvictionStrategy as well. You'll need to implement IDataStore impl based on http://code.google.com/appengine/docs/java/datastore/ Good luck and as always - wicketstuff-gae-initializer will be glad to accept your donations! On Thu, Mar 15, 2012 at 7:56 PM, Chris Merrill ch...@webperformance.com wrote: So I've got a problem with my sessions getting too big on AppEngine. I've already done some of the more obvious optimizations, but before going further, I'd like to get some insight into how many pages are being stored in the page map and how big they are. I traversed down into PageStoreManager and found where the pages are serialized in PageStoreManager.SessionEntry.writeObject() and think that I can put some diagnostics in there to illuminate the situation. However, I don't know how to convince GAE and/or Wicket to store the session to persistent storage in the AppEngine development environment (or in Wicket?). Can anyone point me in the right direction? Perhaps somewhere I can read up on the right parts of the mechanism? I'm not even sure what keywords I should be searching on...or if this is an AppEngine or Wicket topic...or both? TIA! Chris -- - Chris Merrill | Web Performance, Inc. ch...@webperformance.com | http://webperformance.com 919-433-1762 | 919-845-7601 Web Performance: Website Load Testing Software Services - - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org -- Martin Grigorov jWeekend Training, Consulting, Development http://jWeekend.com - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Page/Session persistence on AppEngine
So I've got a problem with my sessions getting too big on AppEngine. I've already done some of the more obvious optimizations, but before going further, I'd like to get some insight into how many pages are being stored in the page map and how big they are. I traversed down into PageStoreManager and found where the pages are serialized in PageStoreManager.SessionEntry.writeObject() and think that I can put some diagnostics in there to illuminate the situation. However, I don't know how to convince GAE and/or Wicket to store the session to persistent storage in the AppEngine development environment (or in Wicket?). Can anyone point me in the right direction? Perhaps somewhere I can read up on the right parts of the mechanism? I'm not even sure what keywords I should be searching on...or if this is an AppEngine or Wicket topic...or both? TIA! Chris -- - Chris Merrill | Web Performance, Inc. ch...@webperformance.com| http://webperformance.com 919-433-1762| 919-845-7601 Web Performance: Website Load Testing Software Services - - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Unwanted authentication persistence
I figured out that the sign-in panel was storing the authentication data in a cookie from when we had first tried it before we turned off the remember-me option and now it's getting it back from there even though we have turned off that option. Was a simple tweak to fix it. On 6/28/2011 3:15 PM, sreed wrote: We are using Jetty which has no session persistence by default. Is it possible that Wicket is persisting sessions somehow? What else might be causing this? -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/Unwanted-authentication-persistence-tp3631027p3631188.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Unwanted authentication persistence
We are using AuthenticatedWebSession without any persistence of anything. However, the session is persisting (user does not have to login after the first time) from one server restart to another. Is that expected behavior? Does anyone know how to prevent persistence of the session/data? Thanks, Scott -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/Unwanted-authentication-persistence-tp3631027p3631027.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Unwanted authentication persistence
This is a feature of the web container. You have to check its user manual :-) On Tue, Jun 28, 2011 at 9:09 PM, sreed sr...@avacoda.com wrote: We are using AuthenticatedWebSession without any persistence of anything. However, the session is persisting (user does not have to login after the first time) from one server restart to another. Is that expected behavior? Does anyone know how to prevent persistence of the session/data? Thanks, Scott -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/Unwanted-authentication-persistence-tp3631027p3631027.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org -- Martin Grigorov jWeekend Training, Consulting, Development http://jWeekend.com - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Unwanted authentication persistence
We are using Jetty which has no session persistence by default. Is it possible that Wicket is persisting sessions somehow? What else might be causing this? -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/Unwanted-authentication-persistence-tp3631027p3631188.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Persistence Error with Wicket.
Hi Raphael, You're using JPA, which complains that it can't find a persistence provider (i.e. Hibernate). Have you added the JPA-specific Hibernate jars such as hibernate-entitymanager.jar (and, while you're at it, hibernate-annotations.jar) as well? And where did you put your persistence.xml? Also, please include the relevant bits of your persistence.xml file, in particular: persistence-unit name=foo transaction-type=RESOURCE_LOCAL providerorg.hibernate.ejb.HibernatePersistence/provider !-- ... -- /persistence-unit This does not seem to be a Wicket-specific problem btw, althoug it may have something to do with your project's directory structure. Cheers, Erik On Thu, Jul 30, 2009 at 10:07 PM, Raphael Monroe - Leucotron (DES)rmon...@leucotron.com.br wrote: Hi everyone, It愀 my first post to the list so I'm sorry if I'm broking any rules or writing in a wrong text format. I'm here to learn and I hope I'll with you guys. Firstly, I should explain my huge(or not?) problem. Since 2 days ago, I'm having this persistence error in my project. I mean, when I get my program running, I have this follow message: javax.persistence.PersistenceException: No Persistence provider for EntityManager named classePer at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:56) at com.leucotron.database.JDataBaseConnection.init(JDataBaseConnection.java:34) at com.leucotron.database.JDataBaseConnection.getInstance(JDataBaseConnection.java:41) at com.leucotron.exemplowicket.Testando.init(Testando.java:24) I have no idea why I'm having this. Then, I have thought that is a wicket problem because when I use the same codes in a Desktop application I can run that very normal. I've tried to put the persistence.xml in several places, but I didn't have any sucess so far. I've also tried to add (even manually), all the .jars related to the hibernate lib. However, I still continued with the same problem. I kinda lost myself and I do not know how to fix my code or even how to do any modification to get my web application running as normal as my desktop application. Thank you guys, []s - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
OT: Using persistence layer objects for service results?
I am looking for a good pattern/methodology to use when coding
services in small Wicket webapps. I want to use the services from
Wicket but it will also be exposed via RMI and SOAP/REST. For example,
a service for Houses and Inhabitants might have methods like this:
// Returns the houses matching the filter (but not yet the
inhabitants)
ListHouse findHouses(House filter);
// Returns the inhabitants of the given house
ListInhabitant getInhabitants(int houseId);
The class House exposes an id (for use in the getInhabitants() method)
and some data (address, etc.). It does not provide the list of
inhabitants because this list might be huge, might not be needed by
the caller at all, etc. The service returns lists because this comes
in handy with Wicket components.
My question: Should the above service return objects (HouseImpl,
InhabitantImpl) from the persistence layer? Or do you introduce
another set of public (DTO) classes for exposure in the service?
Ideally, I want to keep things simple and manageable, with little code.
For instance, for the above service one could use a Hibernate mapping
like
public class HouseImpl
{
...
@OneToMany(mappedBy = house, fetch = FetchType.LAZY)
private final CollectionInhabitantImpl inhabitants;
}
and
public class InhabitantImpl
{
...
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(nullable = false, updatable = false)
private HouesImpl house;
}
and the service can directly return instances of these classes. I have
used this approach in a project and we have seen these problems:
- There's some code used to properly detach the objects and load all
exposed data in order to avoid LazyInitializationException's. For
instance, if House has a list of caretakers and you want them to be
exposed in the service's House, you may need to tell Hibernate to load
them first. This code is cumbersome to maintain.
- I am not sure whether this would work with RMI, for example. I
suppose the Hibernate proxies that exist for some of the members would
get transmitted and would have to exist at the client end, too...
Therefore: How do you design your services? Is anybody using some
method in which the service objects are generated (semi-)automatically
from the persistence layer objects?
Many thanks for your input!
Kaspar
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Re: Integrating Wicket + Google Guice + Warp-persistence
if conceptually and technically it works for you then it's fine! very likely some day someone searching the mailing list is going to find it useful. francisco 2009/4/7 Eduardo Nunes esnu...@gmail.com: No comments? On Tue, Apr 7, 2009 at 10:05 AM, Eduardo Nunes esnu...@gmail.com wrote: Hi there, After a long period of reading, now I'm starting to code my application using these frameworks: Wicket, Google Guice and Warp-persistence. I facet a conceptual problem (IMHO) about how initialize google guice. I read a lot of source codes on the internet and most of them, if not all, initialize Google Guice and Warp-persistence inside the WicketApplication class (extends WebApplication). I think it isn't a good thing, because in the conceptual point of view google guice doesn't have direct relation to wicket. So, I started to find a good solution for this problem. My solution consists in use Google Guice servlet extension. I think that sometimes a source code says more than a thousand words ehehe, below are the pastbin links for all envolved files. What I want from you is a feedback, suggestions, improvements, critics, etc... Files: - web.xml http://pastebin.com/f576189de - GuiceServletContextListener http://pastebin.com/f6a42d811 - WebModule http://pastebin.com/f24a797b - ServiceModule http://pastebin.com/f6e9db66f - PersistenceServiceInitializer http://pastebin.com/f6e4425fd Maybe, and probably, some parts of the pasted source code are based on another projects, blogs posts, etc. Thanks, Eduardo S. Nunes - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Integrating Wicket + Google Guice + Warp-persistence
Hi there, After a long period of reading, now I'm starting to code my application using these frameworks: Wicket, Google Guice and Warp-persistence. I facet a conceptual problem (IMHO) about how initialize google guice. I read a lot of source codes on the internet and most of them, if not all, initialize Google Guice and Warp-persistence inside the WicketApplication class (extends WebApplication). I think it isn't a good thing, because in the conceptual point of view google guice doesn't have direct relation to wicket. So, I started to find a good solution for this problem. My solution consists in use Google Guice servlet extension. I think that sometimes a source code says more than a thousand words ehehe, below are the pastbin links for all envolved files. What I want from you is a feedback, suggestions, improvements, critics, etc... Files: - web.xml http://pastebin.com/f576189de - GuiceServletContextListener http://pastebin.com/f6a42d811 - WebModule http://pastebin.com/f24a797b - ServiceModule http://pastebin.com/f6e9db66f - PersistenceServiceInitializer http://pastebin.com/f6e4425fd Maybe, and probably, some parts of the pasted source code are based on another projects, blogs posts, etc. Thanks, Eduardo S. Nunes - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Integrating Wicket + Google Guice + Warp-persistence
No comments? On Tue, Apr 7, 2009 at 10:05 AM, Eduardo Nunes esnu...@gmail.com wrote: Hi there, After a long period of reading, now I'm starting to code my application using these frameworks: Wicket, Google Guice and Warp-persistence. I facet a conceptual problem (IMHO) about how initialize google guice. I read a lot of source codes on the internet and most of them, if not all, initialize Google Guice and Warp-persistence inside the WicketApplication class (extends WebApplication). I think it isn't a good thing, because in the conceptual point of view google guice doesn't have direct relation to wicket. So, I started to find a good solution for this problem. My solution consists in use Google Guice servlet extension. I think that sometimes a source code says more than a thousand words ehehe, below are the pastbin links for all envolved files. What I want from you is a feedback, suggestions, improvements, critics, etc... Files: - web.xml http://pastebin.com/f576189de - GuiceServletContextListener http://pastebin.com/f6a42d811 - WebModule http://pastebin.com/f24a797b - ServiceModule http://pastebin.com/f6e9db66f - PersistenceServiceInitializer http://pastebin.com/f6e4425fd Maybe, and probably, some parts of the pasted source code are based on another projects, blogs posts, etc. Thanks, Eduardo S. Nunes - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Integrating Wicket + Google Guice + Warp-persistence
first! -igor On Tue, Apr 7, 2009 at 10:46 AM, Eduardo Nunes esnu...@gmail.com wrote: No comments? On Tue, Apr 7, 2009 at 10:05 AM, Eduardo Nunes esnu...@gmail.com wrote: Hi there, After a long period of reading, now I'm starting to code my application using these frameworks: Wicket, Google Guice and Warp-persistence. I facet a conceptual problem (IMHO) about how initialize google guice. I read a lot of source codes on the internet and most of them, if not all, initialize Google Guice and Warp-persistence inside the WicketApplication class (extends WebApplication). I think it isn't a good thing, because in the conceptual point of view google guice doesn't have direct relation to wicket. So, I started to find a good solution for this problem. My solution consists in use Google Guice servlet extension. I think that sometimes a source code says more than a thousand words ehehe, below are the pastbin links for all envolved files. What I want from you is a feedback, suggestions, improvements, critics, etc... Files: - web.xml http://pastebin.com/f576189de - GuiceServletContextListener http://pastebin.com/f6a42d811 - WebModule http://pastebin.com/f24a797b - ServiceModule http://pastebin.com/f6e9db66f - PersistenceServiceInitializer http://pastebin.com/f6e4425fd Maybe, and probably, some parts of the pasted source code are based on another projects, blogs posts, etc. Thanks, Eduardo S. Nunes - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: setEnabled(false) on FocusableTextField breaks persistence
On 8/30/07, janders [EMAIL PROTECTED] wrote:
I don't think I'm doing a good job communicating what I'm trying to do.
Or maybe it's me not doing a good job explaining what you should do :)
The markup looks like this (note there is no attribute readonly for input
field with id=label):
select wicket:id=type
optionhome/option
optionwork/option
optionother/option
/select
input wicket:id=label type=text class=label /
What I want to do is dynamically set or remove the attribute readonly on the
input field (label) depending on the dropdownchoice selection (type). If
the user selects home or work I want the attribute readonly to be set.
If the user selects other I want the attribute to be removed so that the
user can edit label.
The Java code looks like:
final AttributeModifier rot = new AttributeModifier(readonly, true, new
Model(readonly)); // true
if (email.getType() != EmailAddress.Type.OTHER)
emailLabel.add(rot); // this works, by adding the readonly
attribute
item.add(emailLabel);
item.add(new DropDownChoice(type, emailTypeList) {
@Override
protected boolean wantOnSelectionChangedNotifications() {
return true;
}
@Override
protected void onSelectionChanged(final Object newSelection) {
if (newSelection == EmailAddress.Type.OTHER) {
emailLabel.remove ??? ; // - I can't figure out how
to remove the attribute
emailLabel.requestFocus();
} else {
emailLabel.setModelValue(newSelection.toString());
emailLabel.add(rot);
}
}
});
if (email.getType() != EmailAddress.Type.OTHER)
emailLabel.add(rot);
item.add(emailLabel);
item.add(new DropDownChoice(type, emailTypeList) {
@Override
protected boolean wantOnSelectionChangedNotifications() {
return true;
}
@Override
protected void onSelectionChanged(final Object newSelection) {
if (newSelection == EmailAddress.Type.OTHER) {
rot.setEnabled(false);
emailLabel.requestFocus();
} else {
emailLabel.setModelValue(newSelection.toString());
rot.setEnabled(false);
}
}
});
This code always adds the attribute modifier. However, it is disabled
when your use case happens.
Because I have wantOnSelectionChangedNotifications() set to true, the user
can select a choice and the label should change accordingly -- i.e., add
attribute readonly or remove it for the selection of other.
So the problem that I'm having right now is how do I dynamically remove
readonly (once added to the input field) when the user selects other from
the dropdownchoice?
You don't need to remove it. Just turn it off/ on like the code
fragment above shows.
And for the finale, in Wicket 1.3 (I gather you are using 1.2), you
indeed can simply call remove(IBehavior) - attribute modifiers are
behaviors. So then emailLabel.remove(rot) should work fine.
Eelco
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Re: setEnabled(false) on FocusableTextField breaks persistence
-on-FocusableTextField-breaks-persistence-tf4351731.html#a12419384 Sent from the Wicket - User mailing list archive at Nabble.com. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: setEnabled(false) on FocusableTextField breaks persistence
How embarrassing -- I think I'd better keep my day job. I can't believe that I could not grasp that you meant that I should modify rot using rot.setEnabled(true or false) depending on the biz logic. Heh, no problem. Good you got it now. Eelco - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
setEnabled(false) on FocusableTextField breaks persistence
I posted this on the Databinder forum but no one seems to know of a
work-around so I thought I'd post it here.
Essentially I have a FocusableTextField that gets set by a DropDownChoice.
If the choice is not other then I setEnabled to false and I place the
string value of the DropDownChoice into the FocusableTextField. However the
model is not persisted when setEnabled is false.
Here is the code:
// list of existing emailAddresses
final List emailTypeList =
Arrays.asList(EmailAddress.Type.values());
final ListView emailAddresses = new
PropertyListView(emailAddresses) {
@Override
protected void populateItem(final ListItem item) {
final EmailAddress email = (EmailAddress)
item.getModelObject();
final FocusableTextField emailLabel = new
FocusableTextField(label, page);
if (email.getType() != EmailAddress.Type.OTHER)
emailLabel.setEnabled(false);
item.add(emailLabel);
item.add(new DropDownChoice(type, emailTypeList) {
@Override
protected boolean
wantOnSelectionChangedNotifications() {
return true;
}
@Override
protected void onSelectionChanged(final Object
newSelection) {
if (newSelection == EmailAddress.Type.OTHER) {
emailLabel.setEnabled(true);
emailLabel.requestFocus();
} else {
emailLabel.setModelValue(newSelection.toString());
emailLabel.setEnabled(false);
}
}
});
snip
In this email example the dropdown choices are home, work, and other.
If user selects home or work I want the value of the FocusableTextField to
be home or work and I do not want the user to be able to edit the field.
That's why I set the field's isEnabled to false. On the other hand, if the
user selects other, then I set isEnabled to true so that the user can edit
the field. This works properly (persists the value) because isEnabled is
true.
Is there a workaround for this problem or can someone recommend a different
approach?
--
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Re: setEnabled(false) on FocusableTextField breaks persistence
the entire point of disabling the component is that you do not want it to
process submitted input and update its model. you are looking for readonly
behavior rather then disabled i think. why not just set the readonly
attribute on that field.
-igor
On 8/29/07, janders [EMAIL PROTECTED] wrote:
I posted this on the Databinder forum but no one seems to know of a
work-around so I thought I'd post it here.
Essentially I have a FocusableTextField that gets set by a DropDownChoice.
If the choice is not other then I setEnabled to false and I place the
string value of the DropDownChoice into the FocusableTextField. However
the
model is not persisted when setEnabled is false.
Here is the code:
// list of existing emailAddresses
final List emailTypeList =
Arrays.asList(EmailAddress.Type.values());
final ListView emailAddresses = new
PropertyListView(emailAddresses) {
@Override
protected void populateItem(final ListItem item) {
final EmailAddress email = (EmailAddress)
item.getModelObject();
final FocusableTextField emailLabel = new
FocusableTextField(label, page);
if (email.getType() != EmailAddress.Type.OTHER)
emailLabel.setEnabled(false);
item.add(emailLabel);
item.add(new DropDownChoice(type, emailTypeList) {
@Override
protected boolean
wantOnSelectionChangedNotifications() {
return true;
}
@Override
protected void onSelectionChanged(final Object
newSelection) {
if (newSelection == EmailAddress.Type.OTHER) {
emailLabel.setEnabled(true);
emailLabel.requestFocus();
} else {
emailLabel.setModelValue(newSelection.toString());
emailLabel.setEnabled(false);
}
}
});
snip
In this email example the dropdown choices are home, work, and
other.
If user selects home or work I want the value of the FocusableTextField to
be home or work and I do not want the user to be able to edit the field.
That's why I set the field's isEnabled to false. On the other hand, if the
user selects other, then I set isEnabled to true so that the user can edit
the field. This works properly (persists the value) because isEnabled is
true.
Is there a workaround for this problem or can someone recommend a
different
approach?
--
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http://www.nabble.com/setEnabled%28false%29-on-FocusableTextField-breaks-persistence-tf4351731.html#a12399840
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Re: setEnabled(false) on FocusableTextField breaks persistence
So it sounds like I would use something like:
final AttributeModifier ro = new AttributeModifier(readonly, true, new
Model(readonly));
if (email.getType() != EmailAddress.Type.OTHER)
emailLabel.add(ro);
If so, then the question becomes, how would I remove that attribute or reset
emailLabel to editable?
igor.vaynberg wrote:
the entire point of disabling the component is that you do not want it to
process submitted input and update its model. you are looking for readonly
behavior rather then disabled i think. why not just set the readonly
attribute on that field.
-igor
On 8/29/07, janders [EMAIL PROTECTED] wrote:
I posted this on the Databinder forum but no one seems to know of a
work-around so I thought I'd post it here.
Essentially I have a FocusableTextField that gets set by a
DropDownChoice.
If the choice is not other then I setEnabled to false and I place the
string value of the DropDownChoice into the FocusableTextField. However
the
model is not persisted when setEnabled is false.
Here is the code:
// list of existing emailAddresses
final List emailTypeList =
Arrays.asList(EmailAddress.Type.values());
final ListView emailAddresses = new
PropertyListView(emailAddresses) {
@Override
protected void populateItem(final ListItem item) {
final EmailAddress email = (EmailAddress)
item.getModelObject();
final FocusableTextField emailLabel = new
FocusableTextField(label, page);
if (email.getType() != EmailAddress.Type.OTHER)
emailLabel.setEnabled(false);
item.add(emailLabel);
item.add(new DropDownChoice(type, emailTypeList) {
@Override
protected boolean
wantOnSelectionChangedNotifications() {
return true;
}
@Override
protected void onSelectionChanged(final Object
newSelection) {
if (newSelection == EmailAddress.Type.OTHER)
{
emailLabel.setEnabled(true);
emailLabel.requestFocus();
} else {
emailLabel.setModelValue(newSelection.toString());
emailLabel.setEnabled(false);
}
}
});
snip
In this email example the dropdown choices are home, work, and
other.
If user selects home or work I want the value of the FocusableTextField
to
be home or work and I do not want the user to be able to edit the field.
That's why I set the field's isEnabled to false. On the other hand, if
the
user selects other, then I set isEnabled to true so that the user can
edit
the field. This works properly (persists the value) because isEnabled is
true.
Is there a workaround for this problem or can someone recommend a
different
approach?
--
View this message in context:
http://www.nabble.com/setEnabled%28false%29-on-FocusableTextField-breaks-persistence-tf4351731.html#a12399840
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Re: setEnabled(false) on FocusableTextField breaks persistence
create a dynamic model instead of new Model(readonly)
-igor
On 8/29/07, janders [EMAIL PROTECTED] wrote:
So it sounds like I would use something like:
final AttributeModifier ro = new AttributeModifier(readonly, true, new
Model(readonly));
if (email.getType() != EmailAddress.Type.OTHER)
emailLabel.add(ro);
If so, then the question becomes, how would I remove that attribute or
reset
emailLabel to editable?
igor.vaynberg wrote:
the entire point of disabling the component is that you do not want it
to
process submitted input and update its model. you are looking for
readonly
behavior rather then disabled i think. why not just set the readonly
attribute on that field.
-igor
On 8/29/07, janders [EMAIL PROTECTED] wrote:
I posted this on the Databinder forum but no one seems to know of a
work-around so I thought I'd post it here.
Essentially I have a FocusableTextField that gets set by a
DropDownChoice.
If the choice is not other then I setEnabled to false and I place the
string value of the DropDownChoice into the FocusableTextField. However
the
model is not persisted when setEnabled is false.
Here is the code:
// list of existing emailAddresses
final List emailTypeList =
Arrays.asList(EmailAddress.Type.values());
final ListView emailAddresses = new
PropertyListView(emailAddresses) {
@Override
protected void populateItem(final ListItem item) {
final EmailAddress email = (EmailAddress)
item.getModelObject();
final FocusableTextField emailLabel = new
FocusableTextField(label, page);
if (email.getType() != EmailAddress.Type.OTHER)
emailLabel.setEnabled(false);
item.add(emailLabel);
item.add(new DropDownChoice(type, emailTypeList)
{
@Override
protected boolean
wantOnSelectionChangedNotifications() {
return true;
}
@Override
protected void onSelectionChanged(final Object
newSelection) {
if (newSelection == EmailAddress.Type.OTHER
)
{
emailLabel.setEnabled(true);
emailLabel.requestFocus();
} else {
emailLabel.setModelValue(newSelection.toString());
emailLabel.setEnabled(false);
}
}
});
snip
In this email example the dropdown choices are home, work, and
other.
If user selects home or work I want the value of the FocusableTextField
to
be home or work and I do not want the user to be able to edit the
field.
That's why I set the field's isEnabled to false. On the other hand, if
the
user selects other, then I set isEnabled to true so that the user can
edit
the field. This works properly (persists the value) because isEnabled
is
true.
Is there a workaround for this problem or can someone recommend a
different
approach?
--
View this message in context:
http://www.nabble.com/setEnabled%28false%29-on-FocusableTextField-breaks-persistence-tf4351731.html#a12399840
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Re: setEnabled(false) on FocusableTextField breaks persistence
I know how to add the attribute, I just don't know how to later remove it once added. - JA Eelco Hillenius wrote: So it sounds like I would use something like: final AttributeModifier ro = new AttributeModifier(readonly, true, new Model(readonly)); if (email.getType() != EmailAddress.Type.OTHER) emailLabel.add(ro); If so, then the question becomes, how would I remove that attribute or reset emailLabel to editable? Always add the attribute modifier, override isEnabled and let that return true if you want to add the attribute, and false if you don't. Eelco - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] -- View this message in context: http://www.nabble.com/setEnabled%28false%29-on-FocusableTextField-breaks-persistence-tf4351731.html#a12400705 Sent from the Wicket - User mailing list archive at Nabble.com. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: setEnabled(false) on FocusableTextField breaks persistence
I know how to add the attribute, I just don't know how to later remove it once added. Like I said, override isEnabled in your attribute modifier. When that returns false, the attribute won't be added. For normal requests, where a page is rendered everytime again, it simply doesn't show up. For ajax request, you'll have to add to the ajaxrequest for re-rendering and the attribute should disappear as well. Eelco - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: setEnabled(false) on FocusableTextField breaks persistence
I don't understand. Are you saying that I should use setEnabled(false) or are you saying that I should use: final AttributeModifier rof = new AttributeModifier(readonly, false, new Model(readonly)); Either way this doesn't seem to work. - JA Eelco Hillenius wrote: I know how to add the attribute, I just don't know how to later remove it once added. Like I said, override isEnabled in your attribute modifier. When that returns false, the attribute won't be added. For normal requests, where a page is rendered everytime again, it simply doesn't show up. For ajax request, you'll have to add to the ajaxrequest for re-rendering and the attribute should disappear as well. Eelco - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] -- View this message in context: http://www.nabble.com/setEnabled%28false%29-on-FocusableTextField-breaks-persistence-tf4351731.html#a12400938 Sent from the Wicket - User mailing list archive at Nabble.com. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: setEnabled(false) on FocusableTextField breaks persistence
I don't understand. Are you saying that I should use setEnabled(false) or
are you saying that I should use:
final AttributeModifier rof = new AttributeModifier(readonly, false, new
Model(readonly));
new AttributeModifier(readonly, true, new Model(readonly) {
public boolean isEnabled(Component c) {
return shouldTheAttributeBeAdded();
}
}
and don't add the attribute in your markup.
Eelco
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