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[jsr344-experts mirror] [jsr344-experts] Re: 1087-ViewScoped: PROPOSAL

From: Kito Mann <kito.mann_at_virtua.com>
Date: Mon, 6 Aug 2012 06:05:53 -0700

On Fri, Aug 3, 2012 at 12:24 PM, Frank Caputo <frank_at_frankcaputo.de> wrote:

> Hi Ed,
>
> how does the new CDI scope fit into the javax.faces.flow package? It is
> not a specific feature of flows.
>

+1 for the idea, but I have the same question.

>
> Ciao Frank
>
> Am 02.08.2012 um 21:48 schrieb Edward Burns:
>
> > Hello Experts,
> >
> > JSF 2.0 added the annotation javax.faces.bean.ViewScoped [1].
> > Currently, it's specification is tightly bound to the pre-CDI Managed
> > Bean specification, which will eventually be deprecated.
> >
> > When this annotation, along with ManagedBean is found on a class, the
> > runtime must act as if a <managed-bean-scope>view<managed-bean-scope>
> > element was declared for the corresponding managed bean.
> >
> > 730-FacesFlows introduces a @FlowScoped [2].
> >
> > FlowScoped is a CDI scope that causes the runtime to consider classes
> > with this annotation to be in the scope of the specified Flow. The
> > implementation must provide an implementation of
> > javax.enterprise.inject.spi.Extension that implements the semantics
> > such that beans with this annotation are created when the user enters
> > into the specified Flow, and de-allocated when the user exits the
> > specified Flow.
> >
> > PROPOSAL
> >
> > Create a new annotation javax.faces.flow.ViewScoped with this
> > specification.
> >
> > ViewScoped is a CDI scope that causes the runtime to consider classes
> > with this annotation to be in scope as long as the user stays on the
> > same view. When the user navigates to a different view, @ViewScoped
> > beans must be made available for garbage collection.
> >
> > Ed
> >
> > [1]
> https://maven.java.net/service/local/repositories/snapshots/archive/javax/faces/javax.faces-api/2.2-SNAPSHOT/javax.faces-api-2.2-20120802.084909-40-javadoc.jar/!/managed-bean-javadocs/javax/faces/bean/ViewScoped.html
> >
> > [2]
> https://maven.java.net/service/local/repositories/snapshots/archive/javax/faces/javax.faces-api/2.2-SNAPSHOT/javax.faces-api-2.2-20120802.084909-40-javadoc.jar/!/javadocs/javax/faces/flow/FlowScoped.html
> >
> > --
> > | edward.burns_at_oracle.com | office: +1 407 458 0017
> > | homepage: | http://ridingthecrest.com/
> >
>
>