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Java example source code file (LinuxAsynchronousChannelProvider.java)
The LinuxAsynchronousChannelProvider.java Java example source code/* * Copyright (c) 2008, 2010, 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.nio.channels.*; import java.nio.channels.spi.AsynchronousChannelProvider; import java.util.concurrent.ExecutorService; import java.util.concurrent.ThreadFactory; import java.io.IOException; public class LinuxAsynchronousChannelProvider extends AsynchronousChannelProvider { private static volatile EPollPort defaultPort; private EPollPort defaultEventPort() throws IOException { if (defaultPort == null) { synchronized (LinuxAsynchronousChannelProvider.class) { if (defaultPort == null) { defaultPort = new EPollPort(this, ThreadPool.getDefault()).start(); } } } return defaultPort; } public LinuxAsynchronousChannelProvider() { } @Override public AsynchronousChannelGroup openAsynchronousChannelGroup(int nThreads, ThreadFactory factory) throws IOException { return new EPollPort(this, ThreadPool.create(nThreads, factory)).start(); } @Override public AsynchronousChannelGroup openAsynchronousChannelGroup(ExecutorService executor, int initialSize) throws IOException { return new EPollPort(this, ThreadPool.wrap(executor, initialSize)).start(); } private Port toPort(AsynchronousChannelGroup group) throws IOException { if (group == null) { return defaultEventPort(); } else { if (!(group instanceof EPollPort)) throw new IllegalChannelGroupException(); return (Port)group; } } @Override public AsynchronousServerSocketChannel openAsynchronousServerSocketChannel(AsynchronousChannelGroup group) throws IOException { return new UnixAsynchronousServerSocketChannelImpl(toPort(group)); } @Override public AsynchronousSocketChannel openAsynchronousSocketChannel(AsynchronousChannelGroup group) throws IOException { return new UnixAsynchronousSocketChannelImpl(toPort(group)); } } Other Java examples (source code examples)Here is a short list of links related to this Java LinuxAsynchronousChannelProvider.java source code file: |
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