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From Jörn Kottmann <kottm...@gmail.com>
Subject Re: generics: CasPool
Date Tue, 18 Aug 2009 07:27:13 GMT
Adam Lally wrote:
> On Mon, Aug 17, 2009 at 10:39 AM, Jörn Kottmann<kottmann@gmail.com> wrote:
>   
>> The CasPool has a constructor
>>
>> CasPool(int aNumInstances, Collection aComponentDescriptionsOrMetaData,
>>         Properties aPerformanceTuningSettings, ResourceManager
>> aResourceManager)
>>
>> where aComponentDescriptionsOrMetaData is a collection which can contain
>> according
>> to javadoc "AnalysisEngineDescription, CollectionReaderDescription,
>> CasConsumerDescription or ProcessingResourceMetaData objects"
>>
>> A reference of the Collection is passed to fillPool which passes the
>> Collection
>> to a CasDefinition constructor which then casts everything to
>> ProcessingResourceMetaData,
>> which will result in a ClassCastException in the case of
>> AnalysisEngineDescription,
>> CollectionReaderDescription and CasConsumerDescription objects.
>>
>> Well, when we use generics we get an error.
>>
>>     
>
> Good catch, that javadoc does seem to be wrong.  I wonder if it was
> correct at some point in the past and the code has changed?
>   
Maybe, at least it was not changed through the generics.

Jörn

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