/*

 * 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

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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);

                }

        }

}