public Cluster(JoinGraph.Node u, JoinGraph.Node v) {
// Constructor for cluster_v(u)
this.node = u;
// add to the cluster all CPTs of the given node
for (CPF cpf : u.functions) cpts.add(cpf.getDomainProduct()[0]);
// add all incoming messages of n
for (JoinGraph.Node nb : u.getNeighbors()) {
if (!nb.equals(v)) {
JoinGraph.Arc arc = u.arcs.get(nb);
HashSet<MessageFunction> m = arc.getInMessage(u);
if (!m.isEmpty()) functions.addAll(m);
HashSet<BeliefNode> bn = arc.getCPTInMessage(u);
if (!bn.isEmpty()) cpts.addAll(bn);
}
}
}
