[cdi-dev] Clarify scopes and serialization
jharting at redhat.com
Mon Feb 2 10:10:14 EST 2015
Can you elaborate? If a bean has a normal scope (passivating), it may
need to be passivated. Are you talking about using a serialization tool
that does not require objects to implement Serializable and using such
tool to passivate a context?
On 02/01/2015 04:44 PM, Romain Manni-Bucau wrote:
> +1 to clarify it. All normal scope dont need Serializable constraint -
> even session scope - and it makes sense to not respect it in a lot of
> apps without preventing these beans to be serializable thans their
> Best IMO is to either remove it or to allow a scope serializer service
> to be specified to keep it portable.
> Le 1 févr. 2015 13:36, "Antonio Goncalves"
> <antonio.goncalves at gmail.com <mailto:antonio.goncalves at gmail.com>> a
> écrit :
> Hi all,
> I was reading the CDI 1.2 spec and couldn't clearly find the way
> serialization and scopes work. The only explicit sentence I found
> was :
> /1.3.1. JSF example/
> /The @SessionScoped annotation defined in Section 2.4.1, “Built-in
> scope types” is a scope
> /type that specifies the lifecycle of instances of Login. *Managed
> beans with this scope must be*/
> The Weld documentation is a bit more explicit :
> /5.2. Built-in scopes/
> /*Managed beans with scope @SessionScoped or @ConversationScoped
> must be serializable*, since the container passivates the HTTP
> session from time to time./
> And in the Java EE Tutorial we find
> (http://docs.oracle.com/javaee/6/tutorial/doc/gjbbk.html) :
> *Beans that use session, application, or conversation scope must
> be serializable*, but beans that use request scope do not have to
> be serializable.
> This even made be doubt about the application scope ?!?
> Any way, could we clarify this in the CDI spec ?
> Antonio Goncalves
> Software architect, Java Champion and Pluralsight author
> Web site <http://www.antoniogoncalves.org> | Twitter
> <http://twitter.com/agoncal> | LinkedIn
> <http://www.linkedin.com/in/agoncal> | Pluralsight
> <http://pluralsight.com/training/Authors/Details/antonio-goncalves> |
> Paris JUG <http://www.parisjug.org> | Devoxx France
> cdi-dev mailing list
> cdi-dev at lists.jboss.org <mailto:cdi-dev at lists.jboss.org>
> Note that for all code provided on this list, the provider
> licenses the code under the Apache License, Version 2
> (http://www.apache.org/licenses/LICENSE-2.0.html). For all other
> ideas provided on this list, the provider waives all patent and
> other intellectual property rights inherent in such information.
> cdi-dev mailing list
> cdi-dev at lists.jboss.org
> Note that for all code provided on this list, the provider licenses the code under the Apache License, Version 2 (http://www.apache.org/licenses/LICENSE-2.0.html). For all other ideas provided on this list, the provider waives all patent and other intellectual property rights inherent in such information.
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the cdi-dev