/* * 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.sshd.common.session; /** * Type safe key for storage within the user attributes of {@link AbstractSession}. * Typically it is used as a static variable that is shared between the producer * and the consumer. To further restrict access the setting or getting it from * the ServerSession you can add static get and set methods, e.g: * * private static final AttributeKey<MyValue> MY_KEY = new AttributeKey<MyValue>(); * * public static MyValue getMyValue(ServerSession s) { * return s.getAttribute(MY_KEY); * } * * private void setMyValye(ServerSession s, MyValue value) { * s.setAttribute(MY_KEY, value); * } * * @param T type of value stored in the attribute. * * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a> */ public class AttributeKey<T> { }