How to use

Graphs$TransposedGraph

in

com.google.common.graph

/**
 * Returns a view of {@code graph} with the direction (if any) of every edge reversed. All other
 * properties remain intact, and further updates to {@code graph} will be reflected in the view.
 */
public static <N> Graph<N> transpose(Graph<N> graph) {
 if (!graph.isDirected()) {
  return graph; // the transpose of an undirected graph is an identical graph
 }
 if (graph instanceof TransposedGraph) {
  return ((TransposedGraph<N>) graph).graph;
 }
 return new TransposedGraph<N>(graph);
}

@Override
public Set<N> predecessors(N node) {
 return delegate().successors(node); // transpose
}

@Override
public int inDegree(N node) {
 return delegate().outDegree(node); // transpose
}

@Override
public Set<N> predecessors(N node) {
 return delegate().successors(node); // transpose
}

 @Override
 public boolean hasEdgeConnecting(N nodeU, N nodeV) {
  return delegate().hasEdgeConnecting(nodeV, nodeU); // transpose
 }
}

@Override
public int outDegree(N node) {
 return delegate().inDegree(node); // transpose
}

@Override
public Set<N> successors(N node) {
 return delegate().predecessors(node); // transpose
}

@Override
public int outDegree(N node) {
 return delegate().inDegree(node); // transpose
}

/**
 * Returns a view of {@code graph} with the direction (if any) of every edge reversed. All other
 * properties remain intact, and further updates to {@code graph} will be reflected in the view.
 */
public static <N> Graph<N> transpose(Graph<N> graph) {
 if (!graph.isDirected()) {
  return graph; // the transpose of an undirected graph is an identical graph
 }
 if (graph instanceof TransposedGraph) {
  return ((TransposedGraph<N>) graph).graph;
 }
 return new TransposedGraph<N>(graph);
}

@Override
public Set<N> successors(N node) {
 return delegate().predecessors(node); // transpose
}

 @Override
 public boolean hasEdgeConnecting(N nodeU, N nodeV) {
  return delegate().hasEdgeConnecting(nodeV, nodeU); // transpose
 }
}

@Override
public int inDegree(N node) {
 return delegate().outDegree(node); // transpose
}

@Override
public int outDegree(N node) {
 return delegate().inDegree(node); // transpose
}

@Override
public Set<N> predecessors(N node) {
 return delegate().successors(node); // transpose
}

@Override
public int inDegree(N node) {
 return delegate().outDegree(node); // transpose
}

@Override
public Set<N> successors(N node) {
 return delegate().predecessors(node); // transpose
}

/**
 * Returns a view of {@code graph} with the direction (if any) of every edge reversed. All other
 * properties remain intact, and further updates to {@code graph} will be reflected in the view.
 */
public static <N> Graph<N> transpose(Graph<N> graph) {
 if (!graph.isDirected()) {
  return graph; // the transpose of an undirected graph is an identical graph
 }
 if (graph instanceof TransposedGraph) {
  return ((TransposedGraph<N>) graph).graph;
 }
 return new TransposedGraph<N>(graph);
}

 @Override
 public boolean hasEdgeConnecting(N nodeU, N nodeV) {
  return delegate().hasEdgeConnecting(nodeV, nodeU); // transpose
 }
}

@Override
public int inDegree(N node) {
 return delegate().outDegree(node); // transpose
}

@Override
public Set<N> predecessors(N node) {
 return delegate().successors(node); // transpose
}