1 /* 2 * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package sun.nio.ch; 27 28 import java.nio.channels.Channel; 29 import java.io.FileDescriptor; 30 import java.io.IOException; 31 32 33 /** 34 * An interface that allows translation (and more!). 35 * 36 * @since 1.4 37 */ 38 39 public interface SelChImpl extends Channel { 40 getFD()41 FileDescriptor getFD(); 42 getFDVal()43 int getFDVal(); 44 45 /** 46 * Adds the specified ops if present in interestOps. The specified 47 * ops are turned on without affecting the other ops. 48 * 49 * @return true iff the new value of sk.readyOps() set by this method 50 * contains at least one bit that the previous value did not 51 * contain 52 */ translateAndUpdateReadyOps(int ops, SelectionKeyImpl sk)53 public boolean translateAndUpdateReadyOps(int ops, SelectionKeyImpl sk); 54 55 /** 56 * Sets the specified ops if present in interestOps. The specified 57 * ops are turned on, and all other ops are turned off. 58 * 59 * @return true iff the new value of sk.readyOps() set by this method 60 * contains at least one bit that the previous value did not 61 * contain 62 */ translateAndSetReadyOps(int ops, SelectionKeyImpl sk)63 public boolean translateAndSetReadyOps(int ops, SelectionKeyImpl sk); 64 translateAndSetInterestOps(int ops, SelectionKeyImpl sk)65 void translateAndSetInterestOps(int ops, SelectionKeyImpl sk); 66 validOps()67 int validOps(); 68 kill()69 void kill() throws IOException; 70 71 } 72