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https://issues.apache.org/jira/browse/UIMA-60?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Richard Eckart de Castilho updated UIMA-60:
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Labels: Stale (was: )
This issue is marked as "stale" due to inactivity for 5 years or longer. If no
further activity is detected on this issue, it is scheduled be closed as
'unresolved' in 3 months time from now (Dec 2016).
> Improve how progress is reported in CPE
> ---------------------------------------
>
> Key: UIMA-60
> URL: https://issues.apache.org/jira/browse/UIMA-60
> Project: UIMA
> Issue Type: Improvement
> Components: Collection Processing
> Reporter: Adam Lally
> Priority: Minor
> Labels: Stale
>
> The CPE.getProgress() method is implemented by calling the
> CollectionReader.getProgress() method. This has a number of problems. For
> one thing the CollectionReader reports the number of CASes it has read from
> the collection, but this does not indicate how many CASes have been fully
> processed by the CPE. Because of this, in the CPE GUI the progress bar "runs
> ahead" of the actual number of elements processed by about the size of the
> CAS Pool. (If you have a CAS Pool of size 10, the CPE progress will report
> that it has processed 10 documents as soon as the CollectionReader has read
> all 10 CASes.
> It does not make much sense to rely on the CollectionReader for this
> information, since the CPE *knows* how many elements have been processed
> (indeed it already sends callbacks upon completion of each CAS).
> Also the getProgress() API returns an array of Progress objects, which gets
> ugly. The original idea was that the CollectionReader might report progress
> in different units (i.e. the number of documents proccessed and the number of
> bytes processed). No one ever uses this and it makes the API more
> complicated to use and implement.
> The only thing we may want to ask the CollectionReader for is an estimate of
> how many elements there are in the collection. So a simple way to go might
> be to replace CollectionReader.getProgress() with something like
> CollectionReader.getCollectionSize(). The CollectionReader would be allowed
> to return -1 to indicate an unknown size.
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