Zongheng Yang created SPARK-2081:
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Summary: Undefine output() from the abstract class Command and
implement it in concrete subclasses
Key: SPARK-2081
URL: https://issues.apache.org/jira/browse/SPARK-2081
Project: Spark
Issue Type: Improvement
Reporter: Zongheng Yang
Priority: Minor
It doesn't make too much sense to have that method in the abstract class.
Relevant discussions / cases where this issue comes up:
https://github.com/apache/spark/pull/956
https://github.com/apache/spark/pull/1003
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