public class StarGraph.LinkVertexToCenter extends Object implements FlatMapFunction<LongValue,Edge<LongValue,NullValue>>
Constructor and Description |
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LinkVertexToCenter() |
Modifier and Type | Method and Description |
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void |
flatMap(LongValue leaf,
Collector<Edge<LongValue,NullValue>> out)
The core method of the FlatMapFunction.
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public void flatMap(LongValue leaf, Collector<Edge<LongValue,NullValue>> out) throws Exception
FlatMapFunction
flatMap
in interface FlatMapFunction<LongValue,Edge<LongValue,NullValue>>
leaf
- The input value.out
- The collector for returning result values.Exception
- This method may throw exceptions. Throwing an exception will cause the operation
to fail and may trigger recovery.Copyright © 2014–2017 The Apache Software Foundation. All rights reserved.