I'm having seconds thoughts about this. Development mode can mean
slightly different things depending on the nature of the application.
The things you enlisted are for me only PROS for not including this
feature.
Sorry but personally I don't see much value in this approach ... but
this doesn't mean other people wont. Yes JavaRebel is not perfect but
it does its job quite good and it is really helpful in most cases.
On Mar 9, 2:51 am, David Pollak <feeder.of.the.be...@gmail.com> wrote:
> Folks,
>
> I spent today "cracking the code" on how to implement a more dynamic Lift
> development cycle. Specifically, I figured out how to support (during
> development mode) having changes in compiled code reflected in the running
> application. The change to your Lift app will be a change in how you do
> things in Boot.scala. Basically, anything that could change between page
> loads will be wrapped as such in Boot:
>
> LiftRules.dynamicDevelopmentMode(List("com.liftcode.model",
> "com.liftcode.lib"))(() => {
> LiftRules.dispatch.append {...}
>
> LiftRules.setSiteMap(....)
>
> })
>
> The list is a list of packages to exclude from the dynamic reloading.
> Because schemification isn't going to happen on every page reload, it's best
> not to reload the models.
>
> The dynamic mode will impose the following limitations:
>
> - Lift will only service one request at once in development mode
> - Page loads in development mode will be 10x-50x slower than in
> non-development mode
> - Comet objects will not change once they've been instantiated
> - There will cases where classes created in one classloader are not
> recognized as the same class for casting and/or pattern matching purposes
> if
> the classes are created across calls
> - There may be problems related to running out of PermGen space because
> each page reload will cause all the applications classes to be reloaded...
> and this may happen faster than the classes are GCed.
>
> With those limitations, do you guys thing the feature would be valuable?
> Should it be part of development mode or should there be another demarcation
> of the dynamic reload mode?
>
> Thanks,
>
> David
>
> --
> Lift, the simply functional web frameworkhttp://liftweb.net
> Beginning Scalahttp://www.apress.com/book/view/1430219890
> Follow me:http://twitter.com/dpp
> Surf the harmonics
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