Matthias Friedrich created CRUNCH-111:
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Summary: Reorganize CombineFn functionality
Key: CRUNCH-111
URL: https://issues.apache.org/jira/browse/CRUNCH-111
Project: Crunch
Issue Type: Improvement
Affects Versions: 0.4.0
Reporter: Matthias Friedrich
Assignee: Matthias Friedrich
CombineFn should be simplified to make it easier to use:
* Switch static factory methods from using CombineFn to Aggregator
* Move all implementations to a new Aggregators class in org.apache.crunch.fn
* Expose implementation classes only through factory methods
Additionally, extend the PGroupedTable interface to work with Aggregator
instances directly.
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