public synchronized void cleanCategories() { int nextId = 1; Iterator<PackageCategory> it = packageCategories.iterator(); while (it.hasNext()) { PackageCategory p = it.next(); if (p.getPackages().isEmpty()) { it.remove(); } else { p.niceId = p.getId() != 0 ? nextId++ : 0; } } }
public synchronized PackageCategory getPackageCategoryByNiceId(int categoryId) { for (PackageCategory c : packageCategories) { if (c.getNiceId() == categoryId) return c; } return null; }