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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.session.mgt;</a>
<span class="sourceLineNo">020</span><a id="line.20"></a>
<span class="sourceLineNo">021</span><a id="line.21">import org.apache.shiro.session.InvalidSessionException;</a>
<span class="sourceLineNo">022</span><a id="line.22">import org.apache.shiro.session.Session;</a>
<span class="sourceLineNo">023</span><a id="line.23"></a>
<span class="sourceLineNo">024</span><a id="line.24"></a>
<span class="sourceLineNo">025</span><a id="line.25">/**</a>
<span class="sourceLineNo">026</span><a id="line.26"> * A &lt;code&gt;ValidatingSession&lt;/code&gt; is a &lt;code&gt;Session&lt;/code&gt; that is capable of determining it is valid or not and</a>
<span class="sourceLineNo">027</span><a id="line.27"> * is able to validate itself if necessary.</a>
<span class="sourceLineNo">028</span><a id="line.28"> * &lt;p/&gt;</a>
<span class="sourceLineNo">029</span><a id="line.29"> * Validation is usually an exercise of determining when the session was last accessed or modified and determining if</a>
<span class="sourceLineNo">030</span><a id="line.30"> * that time is longer than a specified allowed duration.</a>
<span class="sourceLineNo">031</span><a id="line.31"> * </a>
<span class="sourceLineNo">032</span><a id="line.32"> * @since 0.9</a>
<span class="sourceLineNo">033</span><a id="line.33"> */</a>
<span class="sourceLineNo">034</span><a id="line.34">public interface ValidatingSession extends Session {</a>
<span class="sourceLineNo">035</span><a id="line.35"></a>
<span class="sourceLineNo">036</span><a id="line.36"> boolean isValid();</a>
<span class="sourceLineNo">037</span><a id="line.37"></a>
<span class="sourceLineNo">038</span><a id="line.38"> void validate() throws InvalidSessionException;</a>
<span class="sourceLineNo">039</span><a id="line.39">}</a>
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