001/*
002 * JGrapes Event Driven Framework
003 * Copyright (C) 2016-2018 Michael N. Lipp
004 * 
005 * This program is free software; you can redistribute it and/or modify it 
006 * under the terms of the GNU Affero General Public License as published by 
007 * the Free Software Foundation; either version 3 of the License, or 
008 * (at your option) any later version.
009 * 
010 * This program is distributed in the hope that it will be useful, but 
011 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
012 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License 
013 * for more details.
014 * 
015 * You should have received a copy of the GNU Affero General Public License along 
016 * with this program; if not, see <http://www.gnu.org/licenses/>.
017 */
018
019package org.jgrapes.io;
020
021import java.nio.channels.SelectionKey;
022
023/**
024 * Defines the contract between a component using non blocking I/O
025 * and the {@link NioDispatcher}.
026 */
027public interface NioHandler {
028
029    /**
030     * Invoked by the {@link NioDispatcher} when operations are pending.
031     * 
032     * @param ops the pending operations as or'ed constants defined
033     * by {@link SelectionKey}
034     */
035    void handleOps(int ops) throws InterruptedException;
036
037}