/*

  * 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.shiro.session.mgt;

 import org.apache.shiro.session.InvalidSessionException;

 import org.apache.shiro.session.Session;

 /**

  * A <code>ValidatingSession</code> is a <code>Session</code> that is capable of determining it is valid or not and

  * is able to validate itself if necessary.

  * <p/>

  * Validation is usually an exercise of determining when the session was last accessed or modified and determining if

  * that time is longer than a specified allowed duration.

  * 

  * @since 0.9

  */

 public interface ValidatingSession extends Session {

     boolean isValid();

     void validate() throws InvalidSessionException;

 }