How to use

getDelGroups

method

in

org.apache.sentry.hdfs.service.thrift.TRoleChanges

public Object getFieldValue(_Fields field) {
 switch (field) {
 case ROLE:
  return getRole();
 case ADD_GROUPS:
  return getAddGroups();
 case DEL_GROUPS:
  return getDelGroups();
 }
 throw new IllegalStateException();
}

private void applyRoleUpdates(PermissionsUpdate update) {
 for (TRoleChanges rUpdate : update.getRoleUpdates()) {
  if (rUpdate.getRole().equals(PermissionsUpdate.ALL_ROLES)) {
   // Request to remove group from all roles
   String groupToRemove = rUpdate.getDelGroups().iterator().next();
   for (RoleInfo rInfo : perms.getAllRoles()) {
    rInfo.delGroup(groupToRemove);
   }
  }
  RoleInfo rInfo = perms.getRoleInfo(rUpdate.getRole());
  for (String group : rUpdate.getAddGroups()) {
   if (rInfo == null) {
    rInfo = new RoleInfo(rUpdate.getRole());
   }
   rInfo.addGroup(group);
  }
  if (rInfo != null) {
   perms.addRoleInfo(rInfo);
   for (String group : rUpdate.getDelGroups()) {
    if (group.equals(PermissionsUpdate.ALL_GROUPS)) {
     perms.delRoleInfo(rInfo.getRole());
     break;
    }
    // If there are no groups to remove, rUpdate.getDelGroups() will
    // return empty list and this code will not be reached
    rInfo.delGroup(group);
   }
  }
 }
}