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From "Tim Allison (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TIKA-2349) Try to match digests when finding equivalent embedded files in tika-eval Compare
Date Mon, 01 May 2017 16:13:04 GMT
Tim Allison created TIKA-2349:
---------------------------------

             Summary: Try to match digests when finding equivalent embedded files in tika-eval
Compare
                 Key: TIKA-2349
                 URL: https://issues.apache.org/jira/browse/TIKA-2349
             Project: Tika
          Issue Type: Improvement
          Components: tika-eval
            Reporter: Tim Allison
            Priority: Trivial


In tika-eval {{Compare}}, there's some code that tries to find equivalent embedded files.
 The challenge is that embedded resource paths may contain different names in different versions
of Tika, or they may be at different offsets within the {{List<Metadata>}}.  In the
most recent regression run, we had several cases where the {{List<Metadata>}}s were
the same size, but the attachments were ordered differently.

Instead of relying solely on position, let's try to match digest keys first, then back off
to path names, and finally, back off equal locations in the list, if the lists have the same
size.

More areas for improvement will exist for this bit of code...



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