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https://issues.apache.org/jira/browse/TAP5-128?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Howard M. Lewis Ship updated TAP5-128:
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Assignee: Howard M. Lewis Ship
Summary: Render phase short circuiting fails to abort the event when
mixins are present on the component, resulting in an IllegalStateException when
trying to store a subsequent result value (was: Render phase short-circuiting
is not implemented for methods of the same phase.)
> Render phase short circuiting fails to abort the event when mixins are
> present on the component, resulting in an IllegalStateException when trying
> to store a subsequent result value
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: TAP5-128
> URL: https://issues.apache.org/jira/browse/TAP5-128
> Project: Tapestry 5
> Issue Type: Bug
> Reporter: Nick Westgate
> Assignee: Howard M. Lewis Ship
> Priority: Critical
> Attachments: jira1662sample.tgz
>
>
> According to the docs on render phase short-circuiting for methods of the
> same phase:
> http://tapestry.apache.org/tapestry5/tapestry-core/guide/rendering.html
> "If a method returns a true or false value, this will short circuit
> processing.
> Other methods within the phase that would ordinarily be invoked will not be
> invoked."
> This is currently unimplemented. (Only other "inner" phases are
> short-circuited & not invoked.)
> Changes would primarily affect:
> org.apache.tapestry.internal.structure.ComponentCallback
> org.apache.tapestry.internal.structure.ComponentPageElementImpl
> In ComponentPageElementImpl.invoke(...), the loop:
> while (i.hasNext())
> callback.run(i.next());
> needs to implement the short circuiting, for example:
> while (i.hasNext())
> if (callback.run(i.next()))
> break;
> This change would cascade up to ComponentCallback and all its usage in
> ComponentPageElementImpl.
> Cheers,
> Nick.
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