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From "Josh Wills (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CRUNCH-157) Mark the setContext function in the DoFn class as final
Date Wed, 30 Jan 2013 14:49:12 GMT
Josh Wills created CRUNCH-157:
---------------------------------

             Summary: Mark the setContext function in the DoFn class as final
                 Key: CRUNCH-157
                 URL: https://issues.apache.org/jira/browse/CRUNCH-157
             Project: Crunch
          Issue Type: Improvement
          Components: Core
    Affects Versions: 0.4.0, 0.3.0
            Reporter: Josh Wills
            Assignee: Josh Wills


We often use a pattern of nested DoFns-- DoFns that are composed of operations on other DoFns.
There is currently an ambiguity around the right way to initialize those DoFns, since it can
be done either via overriding the initialize() or the setContext() methods in DoFn. We should
mark setContext as final in order to remove the ambiguity and fix the instances in Crunch
core where we override setContext() instead of initialize().

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