maybe the service "ObjectLocator" will help you too - it creates objects and
injects services into them, event if they are not services that are known to the
registry via its "autobuild" method.
xfile80303 schrieb:
Thanks Thiago,
Your insight, as always, is appreciated.
Unfortunately there seems to be a snag...
In my page I have this:
@SessionState
private User ssUser;
In my Module I have this:
public static void bind(ServiceBinder binder)
{
//...
binder.bind(User.class, UserImpl.class);
//...
}
(I've commented out the contribution of the new service scope for now)
and I get this:
org.apache.tapestry5.runtime.ComponentEventException
Class com.java.dse.cwp.eos.idm.User does not contain a public constructor
needed to autobuild.
It's as if Tapestry does not recognize the binding. Other bindings I have
work as expected... is there something special about SessionState objects?
BTW, User and UserImpl are in my services package, with my other, working,
bound services.
Thanks,
Levi
Thiago H. de Paula Figueiredo wrote:
Hi!
I guess you need a new service scope. Tapestry-IoC provides two
out-of-the-box: singleton (default) and per-thread (one object created for
each different thread). You can add a new lifecycle that always returns a
new object. In Spring, this is called the prototype scope.
http://tapestry.apache.org/tapestry5.1/apidocs/org/apache/tapestry5/ioc/annotations/Scope.html
will give you some hints about how to add new scopes.
A less elegant solution is to inject ObjectLocator and use its autobuild()
method.
--
Thiago H. de Paula Figueiredo
Independent Java consultant, developer, and instructor
http://www.arsmachina.com.br/thiago
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