@SuppressWarnings("unchecked")
public String printEdges(String type) {
String s = "";
Edge<E, V> eg = (Edge<E, V>) edges.getHeader();
while (eg != null) {
if (eg.getType().equals(type))
s += eg.getSource().getInfo() + " -> " + eg.getDestination().getInfo() + "\n";
try {
eg = (Edge<E, V>) edges.next((Pointer<E>) eg.getPosition()).element();
} catch (Exception exc) {
eg = null;
}
}
return s;
}
@SuppressWarnings("unchecked")
@Override
public Iterator<Edge<E, V>> edges(String type) {
List<Edge<E, V>> coll = new ArrayList<Edge<E, V>>();
Edge<E, V> head_edg = (Edge<E, V>) edges.getHeader();
while (head_edg != null) {
if (head_edg.getType().equals(type)) coll.add(head_edg);
try {
head_edg = (Edge<E, V>) edges.next((Pointer<E>) head_edg.getPosition()).element();
} catch (Exception exc) {
head_edg = null;
}
}
return coll.iterator();
}