Github user vasia commented on a diff in the pull request: https://github.com/apache/flink/pull/537#discussion_r27256989 --- Diff: flink-staging/flink-gelly/src/main/java/org/apache/flink/graph/spargel/MessagingFunction.java --- @@ -38,11 +41,41 @@ * @param <Message> The type of the message sent between vertices along the edges. * @param <EdgeValue> The type of the values that are associated with the edges. */ -public abstract class MessagingFunction<VertexKey extends Comparable<VertexKey> & Serializable, - VertexValue extends Serializable, Message, EdgeValue extends Serializable> implements Serializable { +public abstract class MessagingFunction<VertexKey extends Comparable<VertexKey> & Serializable, + VertexValue extends Serializable, Message, EdgeValue extends Serializable> implements Serializable { private static final long serialVersionUID = 1L; - + + // -------------------------------------------------------------------------------------------- + // Attributes that allow vertices to access their in/out degrees and the total number of vertices + // inside an iteration. + // -------------------------------------------------------------------------------------------- + + private long numberOfVertices; + + public long getNumberOfVertices() { + return numberOfVertices; + } + + public void setNumberOfVertices(long numberOfVertices) { --- End diff -- I guess this one shouldn't be public.
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