/** * Ensure that parent packs know which packs are their children. * Ensure that packs who have dependants know which packs depend on them * * @param packs packs visible to the user * @param nameToPack mapping from pack names to pack objects * @return packs */ private List<Pack> setPackProperties(List<Pack> packs, Map<String, Pack> nameToPack) { Pack parent; for (Pack pack : packs) { if (pack.hasParent()) { String parentName = pack.getParent(); parent = nameToPack.get(parentName); parent.addChild(pack.getName()); } if (pack.hasDependencies()) { for (String name : pack.getDependencies()) { parent = nameToPack.get(name); parent.addDependant(pack.getName()); } } } return packs; }