Interface CoGroupFunction<K,V1,V2,R>
- All Superinterfaces:
Serializable
- Functional Interface:
- This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
A function that returns zero or more output records from each grouping key and its values from 2
Datasets.
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Method Summary
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Method Details
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call
- Throws:
Exception
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