How to use

containsNode

method

in

com.google.common.graph.ConfigurableNetwork

@Override
public Set<E> edgesConnecting(N nodeU, N nodeV) {
 NetworkConnections<N, E> connectionsU = checkedConnections(nodeU);
 if (!allowsSelfLoops && nodeU == nodeV) { // just an optimization, only check reference equality
  return ImmutableSet.of();
 }
 checkArgument(containsNode(nodeV), NODE_NOT_IN_GRAPH, nodeV);
 return connectionsU.edgesConnecting(nodeV);
}

@Override
public Set<E> edgesConnecting(N nodeU, N nodeV) {
 NetworkConnections<N, E> connectionsU = checkedConnections(nodeU);
 if (!allowsSelfLoops && nodeU == nodeV) { // just an optimization, only check reference equality
  return ImmutableSet.of();
 }
 checkArgument(containsNode(nodeV), NODE_NOT_IN_GRAPH, nodeV);
 return connectionsU.edgesConnecting(nodeV);
}

@Override
public Set<E> edgesConnecting(N nodeU, N nodeV) {
 NetworkConnections<N, E> connectionsU = checkedConnections(nodeU);
 if (!allowsSelfLoops && nodeU == nodeV) { // just an optimization, only check reference equality
  return ImmutableSet.of();
 }
 checkArgument(containsNode(nodeV), NODE_NOT_IN_GRAPH, nodeV);
 return connectionsU.edgesConnecting(nodeV);
}

@Override
public Set<E> edgesConnecting(N nodeU, N nodeV) {
 NetworkConnections<N, E> connectionsU = checkedConnections(nodeU);
 if (!allowsSelfLoops && nodeU == nodeV) { // just an optimization, only check reference equality
  return ImmutableSet.of();
 }
 checkArgument(containsNode(nodeV), NODE_NOT_IN_GRAPH, nodeV);
 return connectionsU.edgesConnecting(nodeV);
}

@Override
public Set<E> edgesConnecting(N nodeU, N nodeV) {
 NetworkConnections<N, E> connectionsU = checkedConnections(nodeU);
 if (!allowsSelfLoops && nodeU == nodeV) { // just an optimization, only check reference equality
  return ImmutableSet.of();
 }
 checkArgument(containsNode(nodeV), NODE_NOT_IN_GRAPH, nodeV);
 return connectionsU.edgesConnecting(nodeV);
}