How to use

hasEdgeConnecting

method

in

com.google.common.graph.ValueGraph

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

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

@Override
public boolean hasEdgeConnecting(EndpointPair<N> endpoints) {
 return delegate().hasEdgeConnecting(endpoints);
}

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

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

@Override
public boolean hasEdgeConnecting(EndpointPair<N> endpoints) {
 return delegate().hasEdgeConnecting(transpose(endpoints));
}

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

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

@Override
public EndpointPair<V> getEdge(V sourceVertex, V targetVertex)
{
  if (sourceVertex == null || targetVertex == null) {
    return null;
  } else if (!valueGraph.hasEdgeConnecting(sourceVertex, targetVertex)) {
    return null;
  } else {
    return createEdge(sourceVertex, targetVertex);
  }
}

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

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

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

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

@Override
public Set<EndpointPair<V>> getAllEdges(V sourceVertex, V targetVertex)
{
  if (sourceVertex == null || targetVertex == null
    || !valueGraph.nodes().contains(sourceVertex)
    || !valueGraph.nodes().contains(targetVertex))
  {
    return null;
  } else if (!valueGraph.hasEdgeConnecting(sourceVertex, targetVertex)) {
    return Collections.emptySet();
  } else {
    return Collections.singleton(createEdge(sourceVertex, targetVertex));
  }
}

@Override
public double getEdgeWeight(EndpointPair<V> e)
{
  if (e == null) {
    throw new NullPointerException();
  } else if (!valueGraph.hasEdgeConnecting(e.nodeU(), e.nodeV())) {
    throw new IllegalArgumentException("no such edge in graph: " + e.toString());
  } else {
    return valueGraph
      .edgeValue(e.nodeU(), e.nodeV()).map(valueConverter::applyAsDouble)
      .orElse(Graph.DEFAULT_EDGE_WEIGHT);
  }
}