perm2.setAllowDelete(true);
roleOne.addPermission(perm2);
roleOne.setMappedRoleNames(Arrays.asList("ROLE1", "ROLE2"));
vdb.addDataPolicy(roleOne);
// convert to managed object and build the VDB out of MO
ManagedObjectFactory mof = ManagedObjectFactoryBuilder.create();
ManagedObject mo = mof.initManagedObject(vdb, null, null);
vdb = AdminObjectBuilder.buildAO(mo, VDBMetaData.class);