public Graph copy() {
WeightedArcSet list = new WeightedArcSet();
Constructor[] cons = WeightedArc.class.getDeclaredConstructors();
for (int i = 0; i < cons.length; i++) cons[i].setAccessible(true);
ArcLabelledNodeIterator it = graph.nodeIterator();
while (it.hasNext()) {
Integer aux1 = it.nextInt();
Integer aux2 = null;
ArcLabelledNodeIterator.LabelledArcIterator suc = it.successors();
while ((aux2 = suc.nextInt()) != null && aux2 >= 0 && (aux2 < graph.numNodes()))
try {
if (commit++ % COMMIT_SIZE == 0) {
list.commit();
}
WeightedArc arc = (WeightedArc) cons[0].newInstance(aux2, aux1, suc.label().getFloat());
list.add(arc);
} catch (Exception ex) {
throw new Error(ex);
}
}
Graph result = new Graph(list.toArray(new WeightedArc[0]));
result.nodes.clear();
result.nodesReverse.clear();
for (Integer n : this.nodes.keySet()) {
if (commit++ % COMMIT_SIZE == 0) {
result.commit();
}
result.nodesReverse.put(this.nodes.get(n), n);
result.nodes.put(n, this.nodes.get(n));
}
return result;
}
