/**
* Returns a set of all vertices that are in the maximally connected component together with the
* specified vertex. For more on maximally connected component, see <a
* href="http://www.nist.gov/dads/HTML/maximallyConnectedComponent.html">
* http://www.nist.gov/dads/HTML/maximallyConnectedComponent.html</a>.
*
* @param vertex the vertex for which the connected set to be returned.
* @return a set of all vertices that are in the maximally connected component together with the
* specified vertex.
*/
public Set connectedSetOf(Object vertex) {
Set connectedSet = (Set) m_vertexToConnectedSet.get(vertex);
if (connectedSet == null) {
connectedSet = new HashSet();
BreadthFirstIterator i = new BreadthFirstIterator(m_graph, vertex);
while (i.hasNext()) {
connectedSet.add(i.next());
}
m_vertexToConnectedSet.put(vertex, connectedSet);
}
return connectedSet;
}
private List lazyFindConnectedSets() {
if (m_connectedSets == null) {
m_connectedSets = new ArrayList();
Set vertexSet = m_graph.vertexSet();
if (vertexSet.size() > 0) {
BreadthFirstIterator i = new BreadthFirstIterator(m_graph, null);
i.addTraversalListener(new MyTraversalListener());
while (i.hasNext()) {
i.next();
}
}
}
return m_connectedSets;
}