Java AtomicInteger setBit(AtomicInteger i, int mask)

Description

Atomically sets a bit (or bits) for an AtomicInteger.

License

Open Source License

Parameter

Parameter	Description
i	the AtomicInteger
mask	the bits to set should be ones

Return

false if the bits were successfully set

Declaration

public static boolean setBit(AtomicInteger i, int mask) 

Method Source Code

//package com.java2s;
/*/*from  www  .j a v a  2  s . co m*/
 * This file is part of SpoutAPI.
 *
 * Copyright (c) 2011-2012, Spout LLC <http://www.spout.org/>
 * SpoutAPI is licensed under the Spout License Version 1.
 *
 * SpoutAPI is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option)
 * any later version.
 *
 * In addition, 180 days after any changes are published, you can use the
 * software, incorporating those changes, under the terms of the MIT license,
 * as described in the Spout License Version 1.
 *
 * SpoutAPI 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 Lesser General Public License for
 * more details.
 *
 * You should have received a copy of the GNU Lesser General Public License,
 * the MIT license and the Spout License Version 1 along with this program.
 * If not, see <http://www.gnu.org/licenses/> for the GNU Lesser General Public
 * License and see <http://spout.in/licensev1> for the full license, including
 * the MIT license.
 */

import java.util.concurrent.atomic.AtomicInteger;

public class Main {
    /**
     * Atomically sets a bit (or bits) for an AtomicInteger.  If the bit(s) are already set, the method returns false<br>
     * If any of the bits are one, then the method will fail and set none of the bits
     * @param i the AtomicInteger
     * @param mask the bits to set should be ones
     * @return false if the bits were successfully set
     */
    public static boolean setBit(AtomicInteger i, int mask) {
        boolean success = false;
        while (!success) {
            int current = i.get();
            if ((current & mask) != 0) {
                return false;
            }
            int next = current | mask;
            success = i.compareAndSet(current, next);
        }
        return true;
    }
}

Related

1. printResults(Stream> resultPartitionsStream)
2. reset()
3. resetCounter()
4. resetCounters()
5. resetExceptionCount()
6. setBitByValue(final AtomicInteger ai, final int value)
7. setBitIfUnsetByIndex(final AtomicInteger ai, final int n)
8. storeStoreBarrier()
9. timeToId(long timeInMillis)