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From "Leonardo Uribe (JIRA)" <...@myfaces.apache.org>
Subject [jira] Resolved: (MYFACES-3037) Children of iterating components receive multiple PostRestoreStateEvents
Date Tue, 08 Feb 2011 22:44:57 GMT

     [ https://issues.apache.org/jira/browse/MYFACES-3037?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Leonardo Uribe resolved MYFACES-3037.
-------------------------------------

       Resolution: Fixed
    Fix Version/s: 2.0.4-SNAPSHOT
         Assignee: Leonardo Uribe

> Children of iterating components receive multiple PostRestoreStateEvents
> ------------------------------------------------------------------------
>
>                 Key: MYFACES-3037
>                 URL: https://issues.apache.org/jira/browse/MYFACES-3037
>             Project: MyFaces Core
>          Issue Type: Bug
>          Components: General
>    Affects Versions: 2.0.3
>            Reporter: Andy Schwartz
>            Assignee: Leonardo Uribe
>             Fix For: 2.0.4-SNAPSHOT
>
>
> We currently use a tree visit to deliver PostRestoreStateEvents.  By default tree visits
will cause iterating components (such as UIData/UIRepeat) to iterate over all visible rows
in the model.  This results in children being visited once per iteration - and thus PostRestoreStateEvents
re-delivered for each row.
> An interesting side effect of this is that component binding setters will be evaluated
multiple times.  For example, in a case like this:
>  <h:dataTable value="#{someModel}" var="row">
>    <h:column>
>      <h:ouputText binding="bean.foo"/>
>    </h:column>
>  </h:dataTable>
> The binding setter (eg. setFoo()) is called multiple times (once per row) in 2.0.  In
1.2 this was only called one time.
> Note that a solution for the following issue:
> MYFACES-3036 Support SKIP_ITERATION FacesContext property
> Would make fixing this issue simple.  The tree visit that we use for PostRestoreStateEvent
delivery would simply specify the SKIP_ITERATION hint.

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