| /* |
| * 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 com.alibaba.dubbo.remoting; |
| |
| import java.net.InetSocketAddress; |
| |
| /** |
| * Channel. (API/SPI, Prototype, ThreadSafe) |
| * |
| * |
| * |
| * @see com.alibaba.dubbo.remoting.Client |
| * @see com.alibaba.dubbo.remoting.Server#getChannels() |
| * @see com.alibaba.dubbo.remoting.Server#getChannel(InetSocketAddress) |
| */ |
| public interface Channel extends Endpoint { |
| |
| /** |
| * get remote address. |
| * |
| * @return remote address. |
| */ |
| InetSocketAddress getRemoteAddress(); |
| |
| /** |
| * is connected. |
| * |
| * @return connected |
| */ |
| boolean isConnected(); |
| |
| /** |
| * has attribute. |
| * |
| * @param key key. |
| * @return has or has not. |
| */ |
| boolean hasAttribute(String key); |
| |
| /** |
| * get attribute. |
| * |
| * @param key key. |
| * @return value. |
| */ |
| Object getAttribute(String key); |
| |
| /** |
| * set attribute. |
| * |
| * @param key key. |
| * @param value value. |
| */ |
| void setAttribute(String key, Object value); |
| |
| /** |
| * remove attribute. |
| * |
| * @param key key. |
| */ |
| void removeAttribute(String key); |
| |
| } |