That's what I did many years ago (maybe 2008/2009)...

I thought that this has worked some time ago, but right now the maps are
always empty for the next analysis engine.

I will clean up my test bed and will point to a reproducible example.

Where do I disable the JCas caching (just in case I did that by accident)?

Rigth now, the information is always recreated in Ruta, but that is what
I want to avoid in future, at least for some use cases. I have to
remember to still support the remote scenario then.

Best,

Peter


Am 24.08.2015 um 16:11 schrieb Marshall Schor:
> I think you're on the right track.
>
> You can add additional fields to your generated JCas cover class, such as
> something like a Java Hash Map.
> Provided your users haven't disabled the JCas caching, this will work.
>
> Some caveats:
>
> In the general UIMA design, any particular part of a pipeline is supposed to 
> be
> "remotable" - that is, converted to a service call to an external service.  
> When
> this is done, the CAS is "serialized" to the remote.  This serialization won't
> serialize any of the additional custom fields you may have added to your
> JCasGen'd cover class definition.  One way around this is to have a fall-back
> which recreates the info if not present.
>
> The same "serialization" issue applies if you manually serialize the Cas to 
> some
> file.
>
> Would this approach fit your situation?  If not, please explain a bit more
> detail (e.g., why it doesn't fit... :-) ).
>
> -Marshall
>
>
> On 8/24/2015 9:53 AM, Peter Klügl wrote:
>> Hi,
>>
>> first of all, thanks Marshall :-)
>>
>> Am 24.08.2015 um 15:08 schrieb Marshall Schor:
>>> I assume you talking about this.svd.useFSCache :-) This has been disabled 
>>> for as
>>> long as I can recall. 
>>> [...]
>>>
>>> There is currently no option to cache FSs for just some types, other than to
>>> create a JCas cover class for those types and run with JCas enabled.
>> Let me rephrase it: Is it a realistic option for us to introduce
>> something like that?
>>
>> What do you mean with the second part of the sentence? I am currently
>> looking for ways to share information for the same CAS between analysis
>> engines. Should it be possible to use normal java fields of JCas cover
>> classes for this purpose? My annotations are recreated all the time and
>> thus I am loosing the field values ...
>>
>> Best,
>>
>> Peter
>>
>>
>>> -Marshall
>>>
>>> On 8/24/2015 7:42 AM, Peter Klügl wrote:
>>>> Hi,
>>>>
>>>> what is the current status on FS caching in svd? The comment says that
>>>> it is not maintained. If activated, an NPE is thrown because the fsArray
>>>> was never initialized. This could be solved by initializing it with a
>>>> non-empty array. (I could create an issue and fix it, if wanted).
>>>>
>>>> In my current (extremely restricted) test bed, the memory consumption
>>>> and runtime drop both by about 30% with fs caching.
>>>>
>>>> I do not have a overview yet: Could there be problems with other parts
>>>> of UIMA if we use the caching?
>>>>
>>>> with a big Ruta hat on:
>>>> Is it an option for us to active the caching on the fly for a specific
>>>> type only?
>>>>
>>>> Best,
>>>>
>>>> Peter
>>>>
>>>>
>>>>

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