Greg Hogan created FLINK-6648:
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Summary: Transforms for Gelly examples
Key: FLINK-6648
URL: https://issues.apache.org/jira/browse/FLINK-6648
Project: Flink
Issue Type: Improvement
Components: Gelly
Affects Versions: 1.4.0
Reporter: Greg Hogan
Assignee: Greg Hogan
Fix For: 1.4.0
A primary objective of the Gelly examples {{Runner}} is to make adding new
inputs and algorithms as simple and powerful as possible. A recent feature made
it possible to translate the key ID of generated graphs to alternative numeric
or string representations. For floating point and {{LongValue}} it is desirable
to translate the key ID of the algorithm results.
Currently a {{Runner}} job consists of an input, an algorithm, and an output. A
{{Transform}} will translate the input {{Graph}} and the algorithm output
{{DataSet}}. The {{Input}} and algorithm {{Driver}} will return an ordered list
of {{Transform}} which will be executed in that order (processed in reverse
order for algorithm output) . The {{Transform}} can be configured as are inputs
and drivers.
Example transforms:
- the aforementioned translation of key ID types
- surrogate types (String -> Long or Int) for user data
- FLINK-4481 Maximum results for pairwise algorithms
- FLINK-3625 Graph algorithms to permute graph labels and edges
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