question: retrieves the edge direction in which messages are propagated in the scatter-gather iteration . concode_field_sep K vertexId concode_elem_sep EdgesIterator<K,EV> edgeIterator concode_elem_sep long numberOfVertices concode_elem_sep long outDegree concode_elem_sep Iterator<?> edges concode_elem_sep long serialVersionUID concode_elem_sep Edge<K,EV> edge concode_elem_sep Collector<Tuple2<K,Message>> out concode_elem_sep Iterator<Edge<K,EV>> input concode_elem_sep IterationRuntimeContext runtimeContext concode_elem_sep Tuple2<K,Message> outValue concode_elem_sep long inDegree concode_elem_sep boolean edgesUsed concode_elem_sep EdgeDirection direction concode_field_sep void sendMessageToAllNeighbors concode_elem_sep Edge<K,EV> next concode_elem_sep void postSuperstep concode_elem_sep void init concode_elem_sep T getIterationAggregator concode_elem_sep void set concode_elem_sep void set concode_elem_sep int getSuperstepNumber concode_elem_sep void setNumberOfVertices concode_elem_sep boolean hasNext concode_elem_sep long getInDegree concode_elem_sep void setOutDegree concode_elem_sep void remove concode_elem_sep T getPreviousIterationAggregate concode_elem_sep Iterator<Edge<K,EV>> iterator concode_elem_sep void sendMessages concode_elem_sep void preSuperstep concode_elem_sep Collection<T> getBroadcastSet concode_elem_sep void setInDegree concode_elem_sep long getNumberOfVertices concode_elem_sep Iterable<Edge<K,EV>> getEdges concode_elem_sep long getOutDegree concode_elem_sep void setDirection concode_elem_sep void sendMessageTo
target: EdgeDirection function ( ) { return direction ; }