/* * 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.alipay.remoting.util; import com.alipay.remoting.Connection; import com.alipay.remoting.InvokeFuture; import io.netty.channel.Channel; import io.netty.util.Attribute; /** * connection util * * @author yunliang.shi * @version $Id: ConnectionUtil.java, v 0.1 Mar 10, 2016 11:36:40 AM yunliang.shi Exp $ */ public class ConnectionUtil { public static Connection getConnectionFromChannel(Channel channel) { if (channel == null) { return null; } Attribute<Connection> connAttr = channel.attr(Connection.CONNECTION); if (connAttr != null) { Connection connection = connAttr.get(); return connection; } return null; } public static void addIdPoolKeyMapping(Integer id, String group, Channel channel) { Connection connection = getConnectionFromChannel(channel); if (connection != null) { connection.addIdPoolKeyMapping(id, group); } } public static String removeIdPoolKeyMapping(Integer id, Channel channel) { Connection connection = getConnectionFromChannel(channel); if (connection != null) { return connection.removeIdPoolKeyMapping(id); } return null; } public static void addIdGroupCallbackMapping(Integer id, InvokeFuture callback, Channel channel) { Connection connection = getConnectionFromChannel(channel); if (connection != null) { connection.addInvokeFuture(callback); } } public static InvokeFuture removeIdGroupCallbackMapping(Integer id, Channel channel) { Connection connection = getConnectionFromChannel(channel); if (connection != null) { return connection.removeInvokeFuture(id); } return null; } public static InvokeFuture getGroupRequestCallBack(Integer id, Channel channel) { Connection connection = getConnectionFromChannel(channel); if (connection != null) { return connection.getInvokeFuture(id); } return null; } }