1 /* 2 * Copyright 2006 Simon Raess 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package net.sf.beep4j; 17 18 /** 19 * Callback interface for channel close operation. When a BEEP peer 20 * wants to close a channel it sends a close channel request to the 21 * other peer. The other peer can either accept the request or 22 * decline it. A declined request has the effect that the channel 23 * is still alive. There is no way to close a channel for sure. 24 * 25 * @author Simon Raess 26 */ 27 public interface CloseChannelCallback { 28 29 /** 30 * Invoked by the framework if the channel close request has 31 * been accepted. Beside this method, the framework 32 * also invokes the {@link ChannelHandler#channelClosed(Channel)} 33 * method. 34 */ 35 void closeAccepted(); 36 37 /** 38 * Invoked by the framework if the channel close request has 39 * been declined. The code and message convey the reason 40 * why the request has been declined. 41 * 42 * @param code the code, which is meaningful to a program 43 * @param message the message, which is meaningful to humans 44 */ 45 void closeDeclined(int code, String message); 46 47 }