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/*
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* Copyright (c) 2000, 2004, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.nio.ch;
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import java.io.IOException;
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import java.nio.channels.*;
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import java.nio.channels.spi.*;
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/**
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* An implementation of SelectionKey for Solaris.
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*/
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class SelectionKeyImpl
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extends AbstractSelectionKey
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{
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final SelChImpl channel; // package-private
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final SelectorImpl selector; // package-private
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// Index for a pollfd array in Selector that this key is registered with
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private int index;
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private volatile int interestOps;
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private int readyOps;
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SelectionKeyImpl(SelChImpl ch, SelectorImpl sel) {
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channel = ch;
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selector = sel;
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}
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public SelectableChannel channel() {
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return (SelectableChannel)channel;
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}
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public Selector selector() {
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return selector;
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}
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int getIndex() { // package-private
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return index;
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}
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void setIndex(int i) { // package-private
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index = i;
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}
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private void ensureValid() {
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if (!isValid())
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throw new CancelledKeyException();
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}
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public int interestOps() {
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ensureValid();
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return interestOps;
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}
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public SelectionKey interestOps(int ops) {
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ensureValid();
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return nioInterestOps(ops);
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}
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public int readyOps() {
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ensureValid();
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return readyOps;
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}
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// The nio versions of these operations do not care if a key
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// has been invalidated. They are for internal use by nio code.
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void nioReadyOps(int ops) { // package-private
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readyOps = ops;
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}
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int nioReadyOps() { // package-private
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return readyOps;
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}
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SelectionKey nioInterestOps(int ops) { // package-private
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if ((ops & ~channel().validOps()) != 0)
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throw new IllegalArgumentException();
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channel.translateAndSetInterestOps(ops, this);
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interestOps = ops;
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return this;
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}
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int nioInterestOps() { // package-private
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return interestOps;
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}
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}
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