Github user greghogan commented on a diff in the pull request:
https://github.com/apache/flink/pull/2036#discussion_r64723638
--- Diff:
flink-libraries/flink-gelly/src/main/java/org/apache/flink/graph/gsa/GatherSumApplyIteration.java
---
@@ -289,6 +300,11 @@ private GatherUdf(GatherFunction<VV, EV, M>
gatherFunction, TypeInformation<Tupl
@Override
public void open(Configuration parameters) throws Exception {
+ try {
+ Collection<LongValue> numberOfVertices =
getRuntimeContext().getBroadcastVariable("number of vertices");
+
this.gatherFunction.setNumberOfVertices(numberOfVertices.iterator().next().getValue());
+ } catch (Exception e) {
+ }
--- End diff --
@sewen thanks for the pointers.
What are your thoughts on adding a hasBroadcastVariable method to
RuntimeContext? And elsewhere in that class?
The javadocs for getBroadcastVariable could note the exception as for
getAccumulator.
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