[ http://issues.apache.org/jira/browse/TAPESTRY-860?page=all ]
Jesse Kuhnert updated TAPESTRY-860:
-----------------------------------
Fix Version/s: 4.1.2
> SessionPropertyPersistenceStrategy Does Not Recognize Changes to Collections
> ----------------------------------------------------------------------------
>
> Key: TAPESTRY-860
> URL: http://issues.apache.org/jira/browse/TAPESTRY-860
> Project: Tapestry
> Issue Type: Bug
> Components: Framework
> Affects Versions: 4.0
> Reporter: Jeremy F. Kassis
> Assigned To: Jesse Kuhnert
> Priority: Minor
> Fix For: 4.1.2
>
>
> Create a page property as follows:
> <property name="foo" persist="session">new java.util.HashSet()</property>
> In a listener method, add an item to the collection. The
> SessionPropertyPersistenceStrategy does not record the change.
> Workaround: Resave the collection using the setter. However, when a page
> passes a persistent collection property to a subcomponent, the subcomponent
> must know to resave the collection using the setter to "hack" the Tapestry
> functionality. This breaks an abstraction barrier between page and component.
> Anyway, there you have it.
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