Hi,
so far I've always used UIMA CPEs to read whole collections of documents from
e.g. a source directory. In a new application it will be necessary to run a CPE
on new documents beeing passed to it by another application (outside UIMA). It
would be nice to be able to simply hand single documents over to a collection
reader and then simply to "run/wake up" the CPE to process the document.
My idea was to put the incoming documents into a waiting queue, register this at
a custom collection reader and then let the hasNext/getNext-Method simply to ask
the queue if there is work to do. But when "hasNext()" in the collection reader
returns "false", the CPE stops execution.
Is it possible to put a reader or the whole CPE into a "waiting" mode, or is the
only solution to always restart the whole CPE once new documents have arrived to
be processed? Has anybody dealt with a similar situation so far and has any
"best practices" to share? How do you handle them ?
Thanks,
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Christoph Büscher
