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Subject: Re: Using Context/Manager with custom nested element
From: Martin Grotzke <martin.grotzke@javakaffee.de>
To: Tomcat Users List <users@tomcat.apache.org>
In-Reply-To: <4B62B412.5060809@pidster.com>
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	 <4B62B412.5060809@pidster.com>
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Date: Fri, 29 Jan 2010 12:33:09 +0100
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Hi Pid,

what you describe is correct and works, I've implemented a Manager
implementation that uses simple attributes until now (for memcached
based session failover, memcached-session-manager:
http://code.google.com/p/memcached-session-manager/ ).

However, now I want to support a complex, nested child element for a
TranscoderStrategy in my case (somehow comparable to the Store element
that is allowed as child element for the PersistentManager), that
supports different attributes depending on the TranscoderStrategy
implementation. It's possible to put all attributes into the Manager
element, but this is not what one would want to do - the related
attributes are spread between the Manager related attributes.

Cheers,
Martin


On Fri, 2010-01-29 at 10:10 +0000, Pid wrote:
> On 29/01/2010 00:31, Martin Grotzke wrote:
> > Hi,
> >
> > is it somehow possible to have a custom nested element below the Manage=
r
> > element in server.xml/context.xml? E.g.
> >
> > <Manager className=3D"org.app.MyManager">
> >    <FooBar foo=3D"bar"/>
> > </Manager>
> >
> > where the MyManager class has a property fooBar?
>=20
> If the MyManager class has a field called fooBar, with matching getter=20
> and setter, then (my guess, based on how Valves work, is that) you can=20
> probably set it by doing this:
>=20
> <Manager className=3D"org.app.MyManager" fooBar=3D"somevalue">
>=20
> </Manager>
>=20
>=20
> p
>=20
> > AFAICS the ContextRuleSet defines what's possible in the Context elemen=
t
> > without any hook - so it seems that there's no possibility to achieve
> > this.
> >
> > If someone could tell me that I'm wrong with this asumption I would be
> > happy! :-)
> >
> > Thanx&&  cheers,
> > Martin
> >
>=20
>=20
> ---------------------------------------------------------------------
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>=20
--=20
Martin Grotzke
http://www.javakaffee.de/blog/

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