Greg Hogan created FLINK-4265:
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Summary: Add a NoOpOperator
Key: FLINK-4265
URL: https://issues.apache.org/jira/browse/FLINK-4265
Project: Flink
Issue Type: New Feature
Components: DataSet API
Affects Versions: 1.1.0
Reporter: Greg Hogan
Assignee: Greg Hogan
Priority: Minor
Fix For: 1.1.0
One recent feature of Gelly is algorithms which detect duplicated or similar
computation which can be shared. My initial implementation could only reuse a
{{DataSet}} result. Before committing to Flink this was updated to use a
javassist {{ProxyFactory}} allowing configuration to be merged and results to
be replaced. There were some issues, as identified in FLINK-4257. With a
{{NoOpOperator}} we can remove the use of {{ProxyFactory}} and resolve the
identified issues.
This ticket adds a {{NoOpOperator}} which is unwound in
{{OperatorTranslation.translate}}. The {{NoOpOperator}} contains a {{DataSet}}
which is accessed by a getter and setter.
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