gnu.java.nio

Class KqueueSelectorImpl


public class KqueueSelectorImpl
extends AbstractSelector

A Selector implementation that uses the kqueue event notification facility.

Constructor Summary

KqueueSelectorImpl(SelectorProvider provider)
Initializes the slector.

Method Summary

boolean
equals(Object o)
protected void
implCloseSelector()
Closes the channel.
Set<E>
keys()
static boolean
kqueue_supported()
Tell if kqueue-based selectors are supported on this system.
protected SelectionKey
register(AbstractSelectableChannel channel, int interestOps, Object attachment)
Registers a channel for the selection process.
int
select()
int
select(long timeout)
int
selectNow()
Set<E>
selectedKeys()
String
toString()
Selector
wakeup()

Methods inherited from class java.nio.channels.spi.AbstractSelector

begin, cancelledKeys, close, deregister, end, implCloseSelector, isOpen, provider, register

Methods inherited from class java.nio.channels.Selector

close, isOpen, keys, open, provider, select, select, selectNow, selectedKeys, wakeup

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

KqueueSelectorImpl

public KqueueSelectorImpl(SelectorProvider provider)
            throws IOException
Initializes the slector.
Parameters:
provider - the provider that created this selector

Method Details

equals

public boolean equals(Object o)
Overrides:
equals in interface Object

implCloseSelector

protected void implCloseSelector()
            throws IOException
Closes the channel.
Overrides:
implCloseSelector in interface AbstractSelector
Throws:
IOException - if an error occurs

keys

public Set<E> keys()
Overrides:
keys in interface Selector

kqueue_supported

public static boolean kqueue_supported()
Tell if kqueue-based selectors are supported on this system.
Returns:
True if this system has kqueue support, and support for it was compiled in to Classpath.

register

protected SelectionKey register(AbstractSelectableChannel channel,
                                int interestOps,
                                Object attachment)
Registers a channel for the selection process.
Overrides:
register in interface AbstractSelector
Parameters:
Returns:
the registered selection key

select

public int select()
            throws IOException
Overrides:
select in interface Selector

select

public int select(long timeout)
            throws IOException
Overrides:
select in interface Selector

selectNow

public int selectNow()
            throws IOException
Overrides:
selectNow in interface Selector

selectedKeys

public Set<E> selectedKeys()
Overrides:
selectedKeys in interface Selector

toString

public String toString()
Overrides:
toString in interface Object

wakeup

public Selector wakeup()
Overrides:
wakeup in interface Selector

KqueueSelectorImpl.java -- Selector for systems with kqueue event notification. Copyright (C) 2006 Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath 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 for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.