[jira] Commented: (TAP5-466) Support parallel processing behavior via a ParallelDecorator service

["Howard M. Lewis Ship (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TAP5-466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12666969#action_12666969 ] 

Howard M. Lewis Ship commented on TAP5-466:
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Of course, the question is do you actually gain performance this way?  I think there are scenarios where you might, such as I/O bound operations that include loading pages and templates and component message catalogs.

> Support parallel processing behavior via a ParallelDecorator service
> --------------------------------------------------------------------
>
>                 Key: TAP5-466
>                 URL: https://issues.apache.org/jira/browse/TAP5-466
>             Project: Tapestry 5
>          Issue Type: Improvement
>          Components: tapestry-ioc
>    Affects Versions: 5.1.0.0
>            Reporter: Howard M. Lewis Ship
>            Priority: Minor
>
> The concept here is similar to the proposed LazyDecorator, except that the method invocation will be evaluated, in parallel, in a worker thread.  This implies that there's a service for managing worker threads as well.
> Again, this only applies to methods that return an interface type (that can encapsulate the future value) and throw no checked exceptions.
> The returned object would delegate to a Future object linked to excecution of the method invocation in a worker thread. 

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