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| <pre><span class="sourceLineNo">001</span><a id="line.1">/*</a> |
| <span class="sourceLineNo">002</span><a id="line.2"> * Licensed to the Apache Software Foundation (ASF) under one</a> |
| <span class="sourceLineNo">003</span><a id="line.3"> * or more contributor license agreements. See the NOTICE file</a> |
| <span class="sourceLineNo">004</span><a id="line.4"> * distributed with this work for additional information</a> |
| <span class="sourceLineNo">005</span><a id="line.5"> * regarding copyright ownership. The ASF licenses this file</a> |
| <span class="sourceLineNo">006</span><a id="line.6"> * to you under the Apache License, Version 2.0 (the</a> |
| <span class="sourceLineNo">007</span><a id="line.7"> * "License"); you may not use this file except in compliance</a> |
| <span class="sourceLineNo">008</span><a id="line.8"> * with the License. You may obtain a copy of the License at</a> |
| <span class="sourceLineNo">009</span><a id="line.9"> *</a> |
| <span class="sourceLineNo">010</span><a id="line.10"> * http://www.apache.org/licenses/LICENSE-2.0</a> |
| <span class="sourceLineNo">011</span><a id="line.11"> *</a> |
| <span class="sourceLineNo">012</span><a id="line.12"> * Unless required by applicable law or agreed to in writing,</a> |
| <span class="sourceLineNo">013</span><a id="line.13"> * software distributed under the License is distributed on an</a> |
| <span class="sourceLineNo">014</span><a id="line.14"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</a> |
| <span class="sourceLineNo">015</span><a id="line.15"> * KIND, either express or implied. See the License for the</a> |
| <span class="sourceLineNo">016</span><a id="line.16"> * specific language governing permissions and limitations</a> |
| <span class="sourceLineNo">017</span><a id="line.17"> * under the License.</a> |
| <span class="sourceLineNo">018</span><a id="line.18"> */</a> |
| <span class="sourceLineNo">019</span><a id="line.19">package org.apache.shiro.authc;</a> |
| <span class="sourceLineNo">020</span><a id="line.20"></a> |
| <span class="sourceLineNo">021</span><a id="line.21">/**</a> |
| <span class="sourceLineNo">022</span><a id="line.22"> * <p>An extension of the {@link AuthenticationInfo} interface to be implemented by</a> |
| <span class="sourceLineNo">023</span><a id="line.23"> * classes that support merging with other {@link AuthenticationInfo} instances.</p></a> |
| <span class="sourceLineNo">024</span><a id="line.24"> *</a> |
| <span class="sourceLineNo">025</span><a id="line.25"> * <p>This allows an instance of this class to be an <em>aggregation</em>, or <em>composition</em> of account data</a> |
| <span class="sourceLineNo">026</span><a id="line.26"> * from across multiple <code>Realm</code>s <tt>Realm</tt>s, not just one realm.</p></a> |
| <span class="sourceLineNo">027</span><a id="line.27"> *</a> |
| <span class="sourceLineNo">028</span><a id="line.28"> * <p>This is useful in a multi-realm authentication configuration - the individual <tt>AuthenticationInfo</tt></a> |
| <span class="sourceLineNo">029</span><a id="line.29"> * objects obtained from each realm can be {@link #merge merged} into a single instance. This instance can then be</a> |
| <span class="sourceLineNo">030</span><a id="line.30"> * returned at the end of the authentication process, giving the impression of a single underlying</a> |
| <span class="sourceLineNo">031</span><a id="line.31"> * realm/data source.</a> |
| <span class="sourceLineNo">032</span><a id="line.32"> *</a> |
| <span class="sourceLineNo">033</span><a id="line.33"> * @since 0.9</a> |
| <span class="sourceLineNo">034</span><a id="line.34"> */</a> |
| <span class="sourceLineNo">035</span><a id="line.35">public interface MergableAuthenticationInfo extends AuthenticationInfo {</a> |
| <span class="sourceLineNo">036</span><a id="line.36"></a> |
| <span class="sourceLineNo">037</span><a id="line.37"> /**</a> |
| <span class="sourceLineNo">038</span><a id="line.38"> * Merges the given {@link AuthenticationInfo} into this instance. The specific way</a> |
| <span class="sourceLineNo">039</span><a id="line.39"> * that the merge occurs is up to the implementation, but typically it involves combining</a> |
| <span class="sourceLineNo">040</span><a id="line.40"> * the principals and credentials together in this instance. The <code>info</code> argument should</a> |
| <span class="sourceLineNo">041</span><a id="line.41"> * not be modified in any way.</a> |
| <span class="sourceLineNo">042</span><a id="line.42"> *</a> |
| <span class="sourceLineNo">043</span><a id="line.43"> * @param info the info that should be merged into this instance.</a> |
| <span class="sourceLineNo">044</span><a id="line.44"> */</a> |
| <span class="sourceLineNo">045</span><a id="line.45"> void merge(AuthenticationInfo info);</a> |
| <span class="sourceLineNo">046</span><a id="line.46"></a> |
| <span class="sourceLineNo">047</span><a id="line.47">}</a> |
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