001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
013     */
014    
015    package com.liferay.counter.model;
016    
017    import java.util.concurrent.atomic.AtomicLong;
018    
019    /**
020     * @author Shuyang Zhou
021     */
022    public class CounterHolder {
023    
024            public CounterHolder(long initValue, long rangeMax) {
025                    _counter = new AtomicLong(initValue);
026                    _rangeMax = rangeMax;
027            }
028    
029            public long addAndGet(long delta) {
030                    return _counter.addAndGet(delta);
031            }
032    
033            public long getCurrentValue() {
034                    return _counter.get();
035            }
036    
037            public long getRangeMax() {
038                    return _rangeMax;
039            }
040    
041            private final AtomicLong _counter;
042            private final long _rangeMax;
043    
044    }