private class NeighborIterator implements Iterator
1: private class NeighborIterator implements Iterator<VertexInterface<T>>
2: {
3: private Iterator<Edge> edges;
4:
5: private NeighborIterator()
6: {
7: edges = edgeList.getIterator();
8: } // end default constructor
9:
10: public boolean hasNext()
11: {
12: return edges.hasNext();
13: } // end hasNext
14:
15: public VertexInterface<T> next()
16: {
17: VertexInterface<T> nextNeighbor = null;
18:
19: if (edges.hasNext())
20: {
21: Edge edgeToNextNeighbor = edges.next();
22: nextNeighbor = edgeToNextNeighbor.getEndVertex();
23: }
24: else
25: throw new NoSuchElementException();
26:
27: return nextNeighbor;
28: } // end next
29:
30: public void remove()
31: {
32: throw new UnsupportedOperationException();
33: } // end remove
34: } // end NeighborIterator
35: // Version 4.0