public void updateOutlinkClassifier(LinkClassifier classifier) {
        this.outlinkClassifier = classifier;
        graphRepository.visitLNs((LinkNeighborhood ln) -> {
            try {
                LinkRelevance lr = outlinkClassifier.classify(ln);
                frontier.update(lr);
            } catch (Exception e) {
                logger.error("Failed to classify link neighborhood while updating classifier.", e);
            }
        });
        frontier.commit();
    }
This class manages the crawler frontier

@author Luciano Barbosa
@version 1.0
ache/src/main/java/achecrawler/link/frontier/FrontierManager.java