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.future; 21 22 import java.util.EventListener; 23 24 import org.apache.mina.core.session.IoSession; 25 26 /** 27 * Something interested in being notified when the completion 28 * of an asynchronous I/O operation : {@link IoFuture}. 29 * 30 * @author The Apache MINA Project (dev@mina.apache.org) 31 */ 32 public interface IoFutureListener<F extends IoFuture> extends EventListener { 33 /** 34 * An {@link IoFutureListener} that closes the {@link IoSession} which is 35 * associated with the specified {@link IoFuture}. 36 */ 37 static IoFutureListener<IoFuture> CLOSE = new IoFutureListener<IoFuture>() { 38 public void operationComplete(IoFuture future) { 39 future.getSession().close(true); 40 } 41 }; 42 43 /** 44 * Invoked when the operation associated with the {@link IoFuture} 45 * has been completed even if you add the listener after the completion. 46 * 47 * @param future The source {@link IoFuture} which called this 48 * callback. 49 */ 50 void operationComplete(F future); 51 }