Configurable reload interval in FileDataModel
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Key: MAHOUT-411
URL: https://issues.apache.org/jira/browse/MAHOUT-411
Project: Mahout
Issue Type: Improvement
Components: Collaborative Filtering
Reporter: Sebastian Schelter
Priority: Minor
Patch to enable the following usecase:
* all preferences are kept in a text file and loaded via a FileDataModel
* at some point in time the text file is completely overwritten with more
recent preferences
* an explicit refresh() on the FileDataModel is called
With the current FileDataModel, one could not see the new preferences as it
would only have refreshed the whole file if that was modified more than one
minute ago. And I don't want to wait that long to trigger the explicit refresh.
The patch makes the interval configurable with keeping the old interval length
as default.
Hope I understood the intention of the refreshing mechanism right.
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