| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.nifi.registry.security.authorization; |
| |
| import java.util.Set; |
| |
| /** |
| * A holder object to provide atomic access to a user and their groups. |
| */ |
| public interface UserAndGroups { |
| |
| /** |
| * A static, immutable, empty implementation. |
| */ |
| UserAndGroups EMPTY = new UserAndGroups() { |
| @Override |
| public User getUser() { |
| return null; |
| } |
| |
| @Override |
| public Set<Group> getGroups() { |
| return null; |
| } |
| }; |
| |
| /** |
| * Retrieves the user, or null if the user is unknown |
| * |
| * @return the user with the given identity |
| */ |
| User getUser(); |
| |
| /** |
| * Retrieves the groups for the user, or null if the user is unknown or has no groups. |
| * |
| * @return the set of groups for the given user identity |
| */ |
| Set<Group> getGroups(); |
| |
| } |