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From "Chavan, Girish" <chav...@upmc.edu>
Subject Can a PEAR component be used as a Collection Reader?
Date Fri, 25 Jan 2008 20:11:36 GMT
I am trying to use a PEAR component as a collection reader in a CPE descriptor.

I am wondering if I can use the PEAR descriptor as the descriptor for the collectionReader
section of the CPE descriptor.

-----Original Message-----
From: Michael Baessler [mailto:mba@michael-baessler.de] 
Sent: Wednesday, January 23, 2008 8:57 AM
To: uima-user@incubator.apache.org
Subject: Re: Programmatically check for correctness of Aggregate-TAE

What about checking the aggregate descriptor settings before you 
initialize it... like:

       File aggDesc = new File("aggregateDescriptor.xml");
       XMLInputSource in = new XMLInputSource(aggDesc);
       AnalysisEngineDescription aeDesc = 
       ConfigurationParameterSettings paramSettings = 

So you can check if the necessary settings are available if not you can 
throw an exception. If all is fine you can instantiate the ae.

Does this help?

-- Michael

Christoph B├╝scher wrote:
> Hi List,
> I would like to be able to check the parameter settings of one of my 
> custom aggregate TAEs on initialization.
> The general idea is that the component engines of the aggregate are 
> configured in the aggregates XML descriptor via "overrides". However 
> there are a few constraints on the parameter settings that I would 
> like to check when the aggregate is initialized.
> So far I don't know if and how it is possible to provide an own Java 
> implementation for the aggregate TAE. If this is possible, the 
> appropriate place would be the aggregates initialize() method, since 
> the configuration is accessible there. Can anyone tell me if it is 
> possible to have an implementation for an aggregate or not and if so, 
> how? If this isn't possible, where would be another good place to do a 
> sanity check on the aggregates parameter settings?
> Many thanks in advance,
> Christoph

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