Clarify on execute="@all"

[lfryc]

Hi All,

I tried to find the correct semantics of execute=@all in spec, but not successfully.

https://javaserverfaces.dev.java.net/issues/show_bug.cgi?id=1719
But I found the execute=@all meaning described in JSF2 Reference book [1]:

<quote>
Every component on the page is submitted and processed. This is useful when you want to do a full-page submit.
</quote>

It means that following scenario should process data from both forms?

As I can see, it should, but it doesn't do so.

<h:form>
      <h:inputText value="#{bean.property1}" />
      <a4j:commandButton execute="@all" />
</h:form>

<h:form>
      <h:inputText value="#{bean.property2}" />
</h:form>


Relevant sources:

Bug filed at JSF: https://javaserverfaces.dev.java.net/issues/show_bug.cgi?id=1719

[1] JavaServer Faces 2.0: The Complete Reference (Ed Burns, Chris Schalk)

[jbalunas]

Excellent!  I believe you are correct with the behavior of @all.

Please add this to the http://community.jboss.org/wiki/RichFacesJSF21ProposedEnhancementsandIssues

[lfryc]

Hi Jay, Roger Kitain has explained a little the differences between @form and @all on JSF issue tracker [1].

But it doesn't give answer for what application is @all handy.

I added the issue to http://community.jboss.org/wiki/RichFacesJSF21ProposedEnhancementsandIssues as spec clarification.

[jbalunas]

ok, thanks for following up, I agree it is not the best explanation :-( 

We'll follow up with other issues, and see if we can get clarification.  In the mean time it might be good to try this with myfaces if possible.

[nbelaevski]

IIRC, the difference is in view metadata (request parameters) processing.