Luke Cwik created BEAM-106:
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Summary: Native support for conditional iteration
Key: BEAM-106
URL: https://issues.apache.org/jira/browse/BEAM-106
Project: Beam
Issue Type: New Feature
Components: sdk-ideas
Reporter: Luke Cwik
Assignee: Luke Cwik
Ported from: https://github.com/GoogleCloudPlatform/DataflowJavaSDK/issues/50
There are a variety of use cases which would benefit from native support for
conditional iteration.
For instance,
http://stackoverflow.com/questions/31654421/conditional-iterations-in-google-cloud-dataflow/31659923?noredirect=1#comment51264604_31659923
asks about being able to write a loop like the following:
PCollection data = ...
while(needsMoreWork(data)) {
data = doAStep(data)
}
If there are specific use cases please let us know the details. In the future
we will use this issue to post progress updates.
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