001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.shiro.session.mgt;
020
021import org.apache.shiro.session.InvalidSessionException;
022import org.apache.shiro.session.Session;
023
024
025/**
026 * A <code>ValidatingSession</code> is a <code>Session</code> that is capable of determining it is valid or not and
027 * is able to validate itself if necessary.
028 * <p/>
029 * Validation is usually an exercise of determining when the session was last accessed or modified and determining if
030 * that time is longer than a specified allowed duration.
031 * 
032 * @since 0.9
033 */
034public interface ValidatingSession extends Session {
035
036    boolean isValid();
037
038    void validate() throws InvalidSessionException;
039}