| /* |
| * 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.jsecurity.authc; |
| |
| /** |
| * <p>An extension of the {@link AuthenticationInfo} interface to be implemented by |
| * classes that support merging with other {@link AuthenticationInfo} instances.</p> |
| * |
| * <p>This allows an instance of this class to be an <em>aggregation</em>, or <em>composition</em> of account data |
| * from across multiple <code>Realm</code>s <tt>Realm</tt>s, not just one realm.</p> |
| * |
| * <p>This is useful in a multi-realm authentication configuration - the individual <tt>AuthenticationInfo</tt> |
| * objects obtained from each realm can be {@link #merge merged} into this object. This single object can then be |
| * returned at the end of the authentication process, giving the impression of a single underlying |
| * realm/data source. |
| * |
| * @author Jeremy Haile |
| * @since 0.9 |
| */ |
| public interface MergableAuthenticationInfo extends AuthenticationInfo { |
| |
| /** |
| * Merges the given {@link AuthenticationInfo} into this instance. The specific way |
| * that the merge occurs is up to the implementation, but typically it involves combining |
| * the principals and credentials together in this instance. The argument info should |
| * not be modified in any way. |
| * |
| * @param info the info that should be merged into this instance. |
| */ |
| void merge(AuthenticationInfo info); |
| |
| } |