Java AtomicLong getGlobalTimeStamp()

Description

get Global Time Stamp

License

Open Source License

Declaration

public static long getGlobalTimeStamp() 

Method Source Code

//package com.java2s;
/*// www. ja va 2 s .c o m
 * Copyright (c) 2016, 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.
 */

import java.util.concurrent.atomic.AtomicLong;

public class Main {
    private static final AtomicLong globalTimeStamp = new AtomicLong();

    public static long getGlobalTimeStamp() {
        if (globalTimeStamp.get() == 0) {
            globalTimeStamp.compareAndSet(0, System.currentTimeMillis());
        }
        return globalTimeStamp.get();
    }
}

Related

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2. getAtomicLongArraySameLengthAsList(List list)
3. getBench(Map times, int amount)
4. getDateSafe()
5. getForeverUniqueID()
6. getList(AtomicLongArray atomicLongArray)
7. getMessageId()
8. getMethodExecuteCount()
9. getMeUniqueString(Calendar cal)