How to use

Graph$ReverseEdgesMap

in

org.apache.flink.graph

/**
 * Reverse the direction of the edges in the graph
 * 
 * @return a new graph with all edges reversed
 * @throws UnsupportedOperationException
 */
public Graph<K, VV, EV> reverse() throws UnsupportedOperationException {
  DataSet<Edge<K, EV>> reversedEdges = edges.map(new ReverseEdgesMap<K, EV>()).name("Reverse edges");
  return new Graph<>(vertices, reversedEdges, this.context);
}

/**
 * Reverse the direction of the edges in the graph.
 *
 * @return a new graph with all edges reversed
 * @throws UnsupportedOperationException
 */
public Graph<K, VV, EV> reverse() throws UnsupportedOperationException {
  DataSet<Edge<K, EV>> reversedEdges = edges.map(new ReverseEdgesMap<>()).name("Reverse edges");
  return new Graph<>(vertices, reversedEdges, this.context);
}

/**
 * Reverse the direction of the edges in the graph.
 *
 * @return a new graph with all edges reversed
 * @throws UnsupportedOperationException
 */
public Graph<K, VV, EV> reverse() throws UnsupportedOperationException {
  DataSet<Edge<K, EV>> reversedEdges = edges.map(new ReverseEdgesMap<>()).name("Reverse edges");
  return new Graph<>(vertices, reversedEdges, this.context);
}

/**
 * Reverse the direction of the edges in the graph.
 *
 * @return a new graph with all edges reversed
 * @throws UnsupportedOperationException
 */
public Graph<K, VV, EV> reverse() throws UnsupportedOperationException {
  DataSet<Edge<K, EV>> reversedEdges = edges.map(new ReverseEdgesMap<>()).name("Reverse edges");
  return new Graph<>(vertices, reversedEdges, this.context);
}