final void crawlFromRoot(FormationComposite root) {
for (FormationComponent component : root.getFormations()) {
if (component.isLeaf()) {
this.onLeafFound((FormationLeaf) component);
} else {
FormationComposite composite = (FormationComposite) component;
this.onCompositeFound(composite);
this.crawlFromRoot(composite);
}
}
}
