[Catalyst] Per request data in controller base class

Peter Karman peter at peknet.com
Wed Nov 24 04:31:42 GMT 2010

Bill Moseley wrote on 11/23/10 8:12 PM:

> Now, controllers can be chained together, so for example I might have a
> chain /cd/*/track/*/movement/* which all use the same base class, and
> where in the "movement" action I might want to be able to fetch the cd
> and track objects fetched when processing the chain.  So,
> $c->stash->{item} isn't such a good name.
> One option might be for the base class to use its class name as a
> namespace in the stash.  That is, $c->stash->{CD}->{item} and
> $c->stash->{Track}->{item};

Controllers may be chained together, but the URI that triggers the dispatched
action represents a unique item. I.e., the URI may describe a movement in
relationship to its parent track and its parent CD, but the URI describes the

But that might just be philosophical neither-nor-there.

In general, I find name-spacing the stash a useful exercise, esp when dealing
with multiple developers using the stash as they work on different parts of a
single dispatch chain.

Peter Karman  .  http://peknet.com/  .  peter at peknet.com

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