@Override
public boolean terminate() {
if (stagnation > CONFIG.get(STAGNATION)) {
if (reset) {
policy.initialise(graph);
stagnation = 0;
reset = false;
} else {
return true;
}
}
return super.terminate();
}
@Override
public void initialise() {
super.initialise();
policy = new LevelPheromonePolicy();
policy.initialise(graph);
reset = true;
// (initial) heuristic of the whole dataset
Instance[] instances = Instance.newArray(dataset.size());
Instance.markAll(instances, RULE_COVERED);
INITIAL_HEURISTIC = CONFIG.get(DEFAULT_HEURISTIC).compute(graph, dataset, instances);
}
@Override
public void update(Archive<RuleList> archive) {
super.update(archive);
policy.update(graph, archive.highest());
}