@Override
public Edge<E, V> insertEdge(Vertex<V> v, Vertex<V> w, E ele) throws Exception {
@SuppressWarnings("unchecked")
Position<PositionAwareType<E>> pos =
edges.addPos(ele, (Class<? extends PositionAwareType<E>>) Edge.class);
@SuppressWarnings("unchecked")
Edge<E, V> eg = (Edge<E, V>) pos.element();
eg.setSource(v);
eg.setDestination(w);
return eg;
}
@SuppressWarnings("unchecked")
@Override
public void reverseDirection() {
Edge<E, V> h = (Edge<E, V>) edges.getHeader();
while (h != null) {
Vertex<V> temp = h.getSource();
h.setSource(h.getDestination());
h.setDestination(temp);
try {
h = (Edge<E, V>) edges.next((Pointer<E>) h.getPosition()).element();
} catch (Exception exc) {
h = null;
}
}
}