[jbossseam-issues] [JBoss JIRA] Commented: (JBSEAM-903) @Bidirectional to combine @In and @Out

Andrew (JIRA) jira-events at lists.jboss.org
Mon Apr 23 12:14:30 EDT 2007

    [ http://jira.jboss.com/jira/browse/JBSEAM-903?page=comments#action_12360231 ] 
Andrew commented on JBSEAM-903:

I wanted to propose an alternative to the "@Biject/@InOut" of just using @Scope to clear a variable. So I created a new bug as another approach to the issue. That new bug is:


As for use cases for @InOut, they may be limited, but it would come in handy if you wanted to have a "by reference" type of functionality where a bean instead of changing an object, created a new object instead. So, for example, if you had a page that searches for a type of object, its backing bean would use @In to get the value of the currently selected value and use @Out if the user changed the selection. 

> @Bidirectional to combine @In and @Out
> --------------------------------------
>                 Key: JBSEAM-903
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-903
>             Project: JBoss Seam
>          Issue Type: Feature Request
>    Affects Versions: 1.1.6.GA
>            Reporter: Andrew
>         Assigned To: Shane Bryzak
>            Priority: Minor
> IMO, it would be great to have an InOut annotation that can combine In and Out to avoid excessive typing. Examples:
> Now:
> @In(required=false, value="someString", scope=ScopeType.EVENT)
> @Out(required=false, value="someString", scope=ScopeType.EVENT)
> private String localVariableName;	
> Easier as:
> @Bidirectional(required=false, value="someString", scope=ScopeType.EVENT)
> private String localVariableName;	

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