File-backed IDMigrator
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Key: MAHOUT-441
URL: https://issues.apache.org/jira/browse/MAHOUT-441
Project: Mahout
Issue Type: New Feature
Components: Collaborative Filtering
Reporter: Sebastian Schelter
To complete taste's suite of file-related implementations (currently
FileDataModel and FileItemSimilarity) I created an IDMigrator backed by a file.
It can be refreshed and will reload it's data into memory in the same way
FileDataModel and FileItemSimilarity are already doing this.
I couldn't prevent having to split up the IDMigrator interface into 2 separate
interfaces because the update methods (like storeMapping(...) and
initialize(...)) did not fit in the concept of reloading data from an external
source, hope that's ok.
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