Injecting org.hibernate.Session

[Fayder Florez]

Hello!

In the Apache Tapestry site they suggest to inject the
org.hibernate.Session object to interact with the database.

@Inject
private Session session;

public List<Address> getAddresses()
{
return session.createCriteria(Address.class).list();
}

If i try to do the same in a project using tapestry-osgi plugin, this
session object will be null. What would be the alternative for this in
tapestry-osgi projects?

Thanks

Fayder
Intern
Zero OÜ

[Fayder Florez]

Is it possible to have another org.extwind.tapestry bundle where the
following method:

/**
* Overridden in subclasses to provide additional module definitions
beyond
* those normally located. This implementation returns an empty
array.
*/
protected ModuleDef[] provideExtraModuleDefs(ServletContext context)
{
return new ModuleDef[0];
}

In ProxyTapestryFilter.java is replaced by smth like

/**
* Overridden in subclasses to provide additional module definitions
beyond
* those normally located. This implementation returns an empty
array.
*/
protected ModuleDef[] provideExtraModuleDefs(ServletContext context)
{
return new ModuleDef[] {
new SpringModuleDef(context)
};
}

In order to be able to have smth like the TapestrySpringFilter???

[Fayder Florez]

I know Tapestry-OSGi is not compatible with Spring IoC, but as I was
having problems using Tapestry-OSGi IoC to use Hibernate, I posted
this doubts.

What I finally did was to configure a Session Factory programmatically
in my DAO object. Smth like this:

<code>
AnnotationConfiguration cfg = new AnnotationConfiguration();
SessionFactory sf = cfg.configure("/config/
hibernate.cfg.xml").buildSessionFactory();
Session session = sf.openSession();
etc...
</code>

Fayder
Intern
ZERO TECHNOLOGIES OÜ

[donf yang]

You can try to create a Interface named "MySessionFactory",

 

public interface MySessionFactory{

    public Session createSession();

}

 

public class MySessionFactoryImpl implements MySessionFactory{

    private SessionFactory sf ;

 

    public void init(){

        AnnotationConfiguration cfg = new AnnotationConfiguration();

        sf = cfg.configure("/config/hibernate.cfg.xml").buildSessionFactory();

    }

 

    public Session createSession(){

         return sf.openSession();

    }

}

 

and build it as a Tapestry service in your module.class like this:

 

public static MySessionFactory buildMySessionFactory(){

    MySessionFactoryImpl service = new MySessionFactoryImpl();

    service.init();

    return service;

}

 

 

2009/12/15 Fayder Florez <fayder...@gmail.com>

 

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Regards,

 

Donf Yang

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