LibDispatchMainQueue.java

/*
 * Copyright (c) 2011, 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 com.apple.concurrent;

import java.util.concurrent.Executor;

abstract class LibDispatchMainQueue extends LibDispatchQueue implements Executor {
        public LibDispatchMainQueue() {
                super(LibDispatchNative.nativeGetMainQueue());
        }

        @Override
        protected synchronized void dispose() {
                // should not dispose the main queue
        }

        static class Sync extends LibDispatchMainQueue {
                @Override
                public void execute(final Runnable task) {
                        LibDispatchNative.nativeExecuteSync(ptr, task);
                }
        }

        static class ASync extends LibDispatchMainQueue {
                @Override
                public void execute(final Runnable task) {
                        LibDispatchNative.nativeExecuteAsync(ptr, task);
                }
        }
}