[ http://issues.apache.org/jira/browse/TAPESTRY-573?page=all ]
Brian K. Wallace updated TAPESTRY-573:
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Component: Framework
> would like InjectStateWorker to add an "exists" method
> ------------------------------------------------------
>
> Key: TAPESTRY-573
> URL: http://issues.apache.org/jira/browse/TAPESTRY-573
> Project: Tapestry
> Type: Improvement
> Components: Framework
> Versions: 4.0
> Reporter: Dustin Frazier
> Priority: Minor
>
> It would be really useful if the injection of an application state object
> added not only a getter method but also an "exists" method to check whether
> the state object has been created. The alternative is to use the state:
> binding prefix, but this can't be combined in an ognl expression, which makes
> using it somewhat cumbersome. If an "exists" method was added, it would make
> it possible to do the usual "check if it exists, then check a value within
> it" pattern in one conditional expression.
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