try Increment AtomicInteger If Greater Than - Java java.util.concurrent.atomic

Java examples for java.util.concurrent.atomic:AtomicInteger

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Description

try Increment AtomicInteger If Greater Than

Demo Code

/*/*from  w  w w  .  j a  v a2  s.c o  m*/
 * @(#)$Id: codetemplate_xbird.xml 943 2006-09-13 07:03:37Z yui $
 *
 * Copyright 2006-2008 Makoto YUI
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * Contributors:
 *     Makoto YUI - initial implementation
 */
//package com.java2s;
import java.util.concurrent.atomic.AtomicInteger;

public class Main {
    public static boolean tryIncrementIfGreaterThan(
            final AtomicInteger capacity, final int least) {
        int capa;
        do {
            capa = capacity.get();
            if (capa <= least) {
                return false;
            }
        } while (!capacity.compareAndSet(capa, capa + 1));
        return true;
    }
}

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