/*
 * 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
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 */

/*
 * This file is available under and governed by the GNU General Public
 * License version 2 only, as published by the Free Software Foundation.
 * However, the following notice accompanied the original version of this
 * file:
 *
 * Written by Doug Lea with assistance from members of JCP JSR-166
 * Expert Group and released to the public domain, as explained at
 * http://creativecommons.org/publicdomain/zero/1.0/
 */

package java.util.concurrent.locks;

import java.util.concurrent.TimeUnit;

import org.checkerframework.checker.lock.qual.*;

public class ReentrantReadWriteLock {

public static class ReadLock {

    @EnsuresLockHeld("this")
    @ReleasesNoLocks
    void lock() { throw new RuntimeException("skeleton method"); }

    @EnsuresLockHeld("this")
    @ReleasesNoLocks
    void lockInterruptibly() { throw new RuntimeException("skeleton method"); }

    @EnsuresLockHeldIf(expression="this", result=true)
    @ReleasesNoLocks
    boolean tryLock() { throw new RuntimeException("skeleton method"); }

    @EnsuresLockHeldIf(expression="this", result=true)
    @ReleasesNoLocks
    boolean tryLock(long timeout, TimeUnit unit) { throw new RuntimeException("skeleton method"); }

    @MayReleaseLocks
    void unlock() { throw new RuntimeException("skeleton method"); }
}

public static class WriteLock {

    @EnsuresLockHeld("this")
    @ReleasesNoLocks
    void lock() { throw new RuntimeException("skeleton method"); }

    @EnsuresLockHeld("this")
    @ReleasesNoLocks
    void lockInterruptibly() { throw new RuntimeException("skeleton method"); }

    @EnsuresLockHeldIf(expression="this", result=true)
    @ReleasesNoLocks
    boolean tryLock() { throw new RuntimeException("skeleton method"); }

    @EnsuresLockHeldIf(expression="this", result=true)
    @ReleasesNoLocks
    boolean tryLock(long timeout, TimeUnit unit) { throw new RuntimeException("skeleton method"); }

    @EnsuresLockHeldIf(expression="this", result=true)
    @ReleasesNoLocks
    boolean isHeldByCurrentThread() { throw new RuntimeException("skeleton method"); }

    @MayReleaseLocks
    void unlock() { throw new RuntimeException("skeleton method"); }
}

}