1 /* 2 Copyright (C) 2007 Dirk Huenniger 3 4 This library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 This library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with this library; if not, write to the Free Software 16 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 package org.indi.reactor; 19 20 import java.util.Queue; 21 22 /** 23 * A callback handler. To be called by the reactor whenever there is an element 24 * in is found in the queue. 25 * 26 * @author Dirk Hünniger 27 * @param <T> 28 * The type of Object to be put into the Queue 29 */ 30 public interface QueueHandler<T> { 31 /** 32 * @return The Queue the Handler is associated with 33 */ 34 public Queue<T> getQueue(); 35 36 /** 37 * Called by the reactor whenever an element is found in the queue 38 * 39 * @param The 40 * head element found in the queue. 41 */ 42 public void onRead(T input); 43 }