| /*
|
| * Copyright 1999-2011 Alibaba Group.
|
| *
|
| * Licensed 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) |
| * @author qian.lei |
| * @author william.liangf |
| */ |
| 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); |
| |
| } |