private boolean is_assigned(CPA cpa) throws Exception {
boolean assignmets_constraied = false;
int k = -1;
for (int i = 0; i < Domain.length; i++) {
k++;
k = find_next_possible_assignment(k);
if (k == -1) {
emptyDomain();
return false;
}
Assignment assignment = new Assignment(ID, k);
for (int j = 0; j < cpa.length() && !assignmets_constraied; j++) {
if (constrained(assignment, cpa.getAssignment(j))) {
assignmets_constraied = true;
}
}
if (!assignmets_constraied) {
Domain[k] = 0;
cpa.add_assignment(assignment);
AgentView = cpa;
return true;
}
assignmets_constraied = false;
}
return false;
}
private int[] other_unassigned_agents_excep(
int k,
CPA
cpa) { // returns an array. array[i]=1 if a message needs to be sent to i and 0
// otherwise.
int[] unassigned_agents = new int[num_of_agents];
for (int i = 0; i < unassigned_agents.length; i++) {
unassigned_agents[i] = 1;
}
unassigned_agents[k] = 0;
for (int i = 0; i < cpa.length() && cpa.getAssignment(i) != null; i++) {
unassigned_agents[cpa.getID(i)] = 0;
}
return unassigned_agents;
}
private void setDomain(CPA cpa) {
for (int i = 0; i < cpa.length(); i++) {
Assignment ass = cpa.getAssignment(i);
if (ass != null) {
int agentID = ass.getID();
int assValue = ass.getValue();
if (constrained_agents(agentID, this.ID)) {
int[][] values = constraints[agentID][this.ID];
System.out.println("#### the value is " + values[4][4]);
for (int j = 0; j < Domain.length; j++) {
if (values[j][assValue] == 1) { // values are constrained
Domain[j] = 0;
}
}
}
} else {
break;
}
}
}
private void setAgentView(CPA cpa) {
for (int i = 0; i < AgentView.length(); i++) {
AgentView.setAssignment(cpa.getAssignment(i), i);
}
}