public void removePackageType(PackageType packageType) { packageTypes.remove(packageType); packageType.setResourceType(null); if (packageTypes.isEmpty()) { packageTypes = null; } }
public void addPackageType(PackageType packageType) { if (packageTypes == null) { packageTypes = new HashSet<PackageType>(1); } packageType.setResourceType(this); packageTypes.add(packageType); }