1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 package org.apache.shiro.session.mgt; 20 21 import org.apache.shiro.session.InvalidSessionException; 22 import org.apache.shiro.session.Session; 23 24 25 /** 26 * A <code>ValidatingSession</code> is a <code>Session</code> that is capable of determining it is valid or not and 27 * is able to validate itself if necessary. 28 * <p/> 29 * Validation is usually an exercise of determining when the session was last accessed or modified and determining if 30 * that time is longer than a specified allowed duration. 31 * 32 * @since 0.9 33 */ 34 public interface ValidatingSession extends Session { 35 36 boolean isValid(); 37 38 void validate() throws InvalidSessionException; 39 }