| /* |
| * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.nio.ch; |
| |
| import java.io.IOException; |
| import java.nio.channels.*; |
| import java.nio.channels.spi.*; |
| |
| |
| /** |
| * An implementation of SelectionKey for Solaris. |
| */ |
| |
| public class SelectionKeyImpl |
| extends AbstractSelectionKey |
| { |
| |
| final SelChImpl channel; // package-private |
| public final SelectorImpl selector; |
| |
| // Index for a pollfd array in Selector that this key is registered with |
| private int index; |
| |
| private volatile int interestOps; |
| private int readyOps; |
| |
| SelectionKeyImpl(SelChImpl ch, SelectorImpl sel) { |
| channel = ch; |
| selector = sel; |
| } |
| |
| public SelectableChannel channel() { |
| return (SelectableChannel)channel; |
| } |
| |
| public Selector selector() { |
| return selector; |
| } |
| |
| int getIndex() { // package-private |
| return index; |
| } |
| |
| void setIndex(int i) { // package-private |
| index = i; |
| } |
| |
| private void ensureValid() { |
| if (!isValid()) |
| throw new CancelledKeyException(); |
| } |
| |
| public int interestOps() { |
| ensureValid(); |
| return interestOps; |
| } |
| |
| public SelectionKey interestOps(int ops) { |
| ensureValid(); |
| return nioInterestOps(ops); |
| } |
| |
| public int readyOps() { |
| ensureValid(); |
| return readyOps; |
| } |
| |
| // The nio versions of these operations do not care if a key |
| // has been invalidated. They are for internal use by nio code. |
| |
| public void nioReadyOps(int ops) { |
| readyOps = ops; |
| } |
| |
| public int nioReadyOps() { |
| return readyOps; |
| } |
| |
| public SelectionKey nioInterestOps(int ops) { |
| if ((ops & ~channel().validOps()) != 0) |
| throw new IllegalArgumentException(); |
| channel.translateAndSetInterestOps(ops, this); |
| interestOps = ops; |
| return this; |
| } |
| |
| public int nioInterestOps() { |
| return interestOps; |
| } |
| |
| } |