1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 * 19 */ 20 package org.apache.mina.core.service; 21 22 import java.util.EventListener; 23 24 import org.apache.mina.core.session.IdleStatus; 25 import org.apache.mina.core.session.IoSession; 26 27 /** 28 * Listens to events related to an {@link IoService}. 29 * 30 * @author <a href="http://mina.apache.org">Apache MINA Project</a> 31 */ 32 public interface IoServiceListener extends EventListener { 33 /** 34 * Invoked when a new service is activated by an {@link IoService}. 35 * 36 * @param service the {@link IoService} 37 * @throws Exception if an error occurred while the service is being activated 38 */ 39 void serviceActivated(IoService service) throws Exception; 40 41 /** 42 * Invoked when a service is idle. 43 * 44 * @param service the {@link IoService} 45 * @param idleStatus The idle status 46 * @throws Exception if an error occurred while the service is being idled 47 */ 48 void serviceIdle(IoService service, IdleStatus idleStatus) throws Exception; 49 50 /** 51 * Invoked when a service is deactivated by an {@link IoService}. 52 * 53 * @param service the {@link IoService} 54 * @throws Exception if an error occurred while the service is being deactivated 55 */ 56 void serviceDeactivated(IoService service) throws Exception; 57 58 /** 59 * Invoked when a new session is created by an {@link IoService}. 60 * 61 * @param session the new session 62 * @throws Exception if an error occurred while the session is being created 63 */ 64 void sessionCreated(IoSession session) throws Exception; 65 66 /** 67 * Invoked when a new session is closed by an {@link IoService}. 68 * 69 * @param session the new session 70 * @throws Exception if an error occurred while the session is being closed 71 */ 72 void sessionClosed(IoSession session) throws Exception; 73 74 /** 75 * Invoked when a session is being destroyed by an {@link IoService}. 76 * 77 * @param session the session to be destroyed 78 * @throws Exception if an error occurred while the session is being destroyed 79 */ 80 void sessionDestroyed(IoSession session) throws Exception; 81 }