/*
 * Copyright (c) 2007, 2018, 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.
 *
 * 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 nsk.share.locks;

import nsk.share.Wicket;

/*
 *  Class used for deadlock creation, acquires java lock
 *  using synchronized block
 */
public class SynchronizedBlockLocker extends DeadlockLocker {
    private Object object = new Object();

    public SynchronizedBlockLocker(Wicket step1, Wicket step2, Wicket readyWicket) {
        super(step1, step2, readyWicket);
    }

    public Object getLock() {
        return object;
    }

    protected void doLock() {
        synchronized (object) {
            step1.unlockAll();
            step2.waitFor();
            readyWicket.unlock();
            inner.lock();
        }
    }
}
