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/*
* 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;
}
}