How to use

getMessageCombiner

method

in

org.apache.tinkerpop.gremlin.process.computer.VertexProgram

public static<M> MessageCombiner<M> getMessageCombiner(VertexProgram<M> program) {
  return program.getMessageCombiner().orElse(DEFAULT_COMBINER);
}

public static<M> MessageCombiner<M> getMessageCombiner(VertexProgram<M> program) {
  return program.getMessageCombiner().orElse(DEFAULT_COMBINER);
}

vertexProgram.execute(
    ComputerGraph.vertexProgram(vertex, vertexProgram),
    new TinkerMessenger<>(vertex, this.messageBoard, vertexProgram.getMessageCombiner()),
    workerMemory);

public static<M> MessageCombiner<M> getMessageCombiner(VertexProgram<M> program) {
  return program.getMessageCombiner().orElse(DEFAULT_COMBINER);
}

        IteratorUtils.of(new Tuple2<>(tuple._1(), tuple._2().getView())),      // emit the view payload
        IteratorUtils.map(tuple._2().getOutgoingMessages().iterator(), message -> new Tuple2<>(message._1(), new MessagePayload<>(message._2()))));
final MessageCombiner<M> messageCombiner = VertexProgram.<VertexProgram<M>>createVertexProgram(HadoopGraph.open(vertexProgramConfiguration), vertexProgramConfiguration).getMessageCombiner().orElse(null);
final Function2<Payload, Payload, Payload> reducerFunction = (a, b) -> {      // reduce the view and outgoing messages into a single payload object representing the new view and incoming messages for a vertex
  if (a instanceof ViewIncomingPayload) {

vertexProgram.execute(
    ComputerGraph.vertexProgram(vertex, vertexProgram),
    new TinkerMessenger<>(vertex, this.messageBoard, vertexProgram.getMessageCombiner()),
    workerMemory);

vertexProgram.execute(
    ComputerGraph.vertexProgram(vertex, vertexProgram),
    new TinkerMessenger<>(vertex, this.messageBoard, vertexProgram.getMessageCombiner()),
    workerMemory);

        IteratorUtils.of(new Tuple2<>(tuple._1(), tuple._2().getView())),      // emit the view payload
        IteratorUtils.map(tuple._2().getOutgoingMessages().iterator(), message -> new Tuple2<>(message._1(), new MessagePayload<>(message._2()))));
final MessageCombiner<M> messageCombiner = VertexProgram.<VertexProgram<M>>createVertexProgram(HadoopGraph.open(vertexProgramConfiguration), vertexProgramConfiguration).getMessageCombiner().orElse(null);
final Function2<Payload, Payload, Payload> reducerFunction = (a, b) -> {      // reduce the view and outgoing messages into a single payload object representing the new view and incoming messages for a vertex
  if (a instanceof ViewIncomingPayload) {

        IteratorUtils.of(new Tuple2<>(tuple._1(), tuple._2().getView())),      // emit the view payload
        IteratorUtils.map(tuple._2().getOutgoingMessages().iterator(), message -> new Tuple2<>(message._1(), new MessagePayload<>(message._2()))));
final MessageCombiner<M> messageCombiner = VertexProgram.<VertexProgram<M>>createVertexProgram(HadoopGraph.open(vertexProgramConfiguration), vertexProgramConfiguration).getMessageCombiner().orElse(null);
final Function2<Payload, Payload, Payload> reducerFunction = (a, b) -> {      // reduce the view and outgoing messages into a single payload object representing the new view and incoming messages for a vertex
  if (a instanceof ViewIncomingPayload) {