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From "Rui Shen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (EDGENT-308) Is it possible to use poll() with FileStreams together
Date Fri, 04 Nov 2016 07:08:58 GMT
Rui Shen created EDGENT-308:
-------------------------------

             Summary: Is it possible to use poll() with FileStreams together
                 Key: EDGENT-308
                 URL: https://issues.apache.org/jira/browse/EDGENT-308
             Project: Edgent
          Issue Type: New Feature
          Components: Connectors
            Reporter: Rui Shen


My requirement is to load data from a file and polling with a specific frequency (say every
1 second). 

I found Topology.poll() can do this, but it requires a Supplier parameter and the get method
is called periodically. With this way, I have to read the file content myself and create a
Iterable instance, then a Supplier. 

I want to use FileStreams.textFileReader() to handle the file reading. The problem is how
to use it with Topology.poll() together? I could not find a way to do this. 

Is there any way to do this? Or connectors does not support "polling" at all? 



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