001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020package org.apache.mina.core.future; 021 022import java.util.EventListener; 023 024import org.apache.mina.core.session.IoSession; 025 026/** 027 * Something interested in being notified when the completion 028 * of an asynchronous I/O operation : {@link IoFuture}. 029 * 030 * @author <a href="http://mina.apache.org">Apache MINA Project</a> 031 */ 032public interface IoFutureListener<F extends IoFuture> extends EventListener { 033 /** 034 * An {@link IoFutureListener} that closes the {@link IoSession} which is 035 * associated with the specified {@link IoFuture}. 036 */ 037 IoFutureListener<IoFuture> CLOSE = new IoFutureListener<IoFuture>() { 038 public void operationComplete(IoFuture future) { 039 future.getSession().close(true); 040 } 041 }; 042 043 /** 044 * Invoked when the operation associated with the {@link IoFuture} 045 * has been completed even if you add the listener after the completion. 046 * 047 * @param future The source {@link IoFuture} which called this 048 * callback. 049 */ 050 void operationComplete(F future); 051}