how deeply into a bean does myfaces update value references?

From: craigmccgmail.com [mailto:craigmccgmail.com] On Behalf Of Craig McClanahan
Sent: Tuesday, 1 August 2006 7:50 AM
To: MyFaces Discussion
Subject: Re: how deeply into a bean does myfaces update value references?

On 7/31/06, Andrew Robinson <gmail.com">andrew.rw.robinsongmail.com> wrote:

It should never look for (or set) "myBean.myBean&quot; unless you use it
somewhere in the EL or have it as a managed property in the faces
config. What code (including EL and managed properties) refers to the
";myBean&quot; property?

 

On 7/31/06, putnam.com">Thomas_Perryputnam.com <putnam.com">Thomas_Perryputnam.com> wrote:
>
&gt;
>
&gt;
>
>
> Andrew,
&gt;
> would myfaces also find the property 'MyBean mybean'&nbsp; which is defined in
> MyBean and call
> setFoo on that reference?
>
>; for example, I've got
>
> MyBean class
>; &nbsp; &nbsp; &nbsp; private String foo &nbsp;(with getters and setters)
> &nbsp;   ;  private MyBean myBean (with getters and setters
>
&gt; before the update page renders, I save a copy of MyBean in itself.
&gt;
> so the MyBean copy also has a foo reference.
>
>; what it looks like is that when the page is submitted, myfaces updates the
> visible
&gt; foo property but also find the foo property in the 'MyBean myBean'
&gt; property.
>
> does that make sense? and is that the intended behavior of Myfaces?
>
> I'm keeping a copy of the bean in itself to be able to reset the update
> form.
>;
> I know a Reset button of type=reset works, but on this page there are lists
> which could cause a form submit and I can't reset the update form to
> the original state.
&gt;
> Thank you for the response.
> Tom
>
>
>
>
>; &nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp; &quot;Andrew Robinson&quot;
>&nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp;<andrew.rw.robins
>&nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp;gmail.com">ongmail.com > ; &nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp; &nbsp;   ; To
> &nbsp;   ; &nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp;"MyFaces Discussion"
&gt; &nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; 07/31/2006 02:07 &nbsp; &nbsp;   ; &nbsp; <;myfaces.apache.org"> usersmyfaces.apache.org&gt;
>&nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp;PM ; &nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp; &nbsp;   ; cc
>
>   ; &nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp; &nbsp;  Subject
>&nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp;Please respond to &nbsp; &nbsp;   ;  Re: how deeply into a bean does
>&nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp; &nbsp;"MyFaces&nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp;myfaces update value references?
>&nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp; Discussion"
>   ; &nbsp; &nbsp; &nbsp; &nbsp;   ;<myfaces.ap">usersmyfaces.ap
>&nbsp; &nbsp; &nbsp; &nbsp;   ; &nbsp; &nbsp; &nbsp; &nbsp; ache.org&gt;
>
>
>
>
>
>
>;
> <h:inputText  value="#{myBean.foo}&quot;
>
> On update:
&gt; Look for "myBean" in the scoped maps (request, session, application).
>
&gt; If not found, create a new instance of mybean.
&gt; call setFoo() on the instance of my bean.
>;
> On 7/31/06, putnam.com">Thomas_Perryputnam.com <putnam.com"> Thomas_Perryputnam.com> wrote:
> >
> >
> >
> >
> >
> > hello everyone,
> >
> > I have a jsp and backing bean. ; The jsp has a field like
> > <h:inputText  value="#{ myBean.foo}"
&gt; >
> > MyBean.java has the "foo&quot; property, and it also has a property like
> >
> >   ; &nbsp;  private MyBean myBean = null;
>; >  with getters and setters
> >
> > I save a copy of MyBean here before any update so I can reset or cancel
> > the update as needed, and restore the original MyBean to session.
> >
> > I find if I enter something in the foo field of the jsp, the foo property
> > in the
> > saved original untouched MyBean property is also updated.
> >
> > Does my faces search a backing bean for all references to a property
> > and update all references? &nbsp;That's what it looks like it's doing, but is
> > that what
> > you see?
> >
> > Thanks in advance for your help.
>; > Tom
> >
> >
> >
> >
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>
>;
>
&gt;
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