How to use

checkedReferenceNode

method

in

com.google.common.graph.ConfigurableNetwork

@Override
public EndpointPair<N> incidentNodes(E edge) {
 N nodeU = checkedReferenceNode(edge);
 N nodeV = nodeConnections.get(nodeU).adjacentNode(edge);
 return EndpointPair.of(this, nodeU, nodeV);
}

@Override
public EndpointPair<N> incidentNodes(E edge) {
 N nodeU = checkedReferenceNode(edge);
 N nodeV = nodeConnections.get(nodeU).adjacentNode(edge);
 return EndpointPair.of(this, nodeU, nodeV);
}

@Override
public EndpointPair<N> incidentNodes(E edge) {
 N nodeU = checkedReferenceNode(edge);
 N nodeV = nodeConnections.get(nodeU).adjacentNode(edge);
 return EndpointPair.of(this, nodeU, nodeV);
}

@Override
public EndpointPair<N> incidentNodes(E edge) {
 N nodeU = checkedReferenceNode(edge);
 N nodeV = nodeConnections.get(nodeU).adjacentNode(edge);
 return EndpointPair.of(this, nodeU, nodeV);
}

@Override
public EndpointPair<N> incidentNodes(E edge) {
 N nodeU = checkedReferenceNode(edge);
 N nodeV = nodeConnections.get(nodeU).adjacentNode(edge);
 return EndpointPair.of(this, nodeU, nodeV);
}