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• AbstractReferenceCounter.java

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org.rx.bean.AbstractReferenceCounter Maven / Gradle / Ivy

package org.rx.bean;

import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;

//Save memory
public abstract class AbstractReferenceCounter {
    protected static final AtomicIntegerFieldUpdater updater = AtomicIntegerFieldUpdater.newUpdater(AbstractReferenceCounter.class, "refCnt");

    protected volatile int refCnt;

    public int getRefCnt() {
        return updater.get(this);
    }

    public int incrementRefCnt() {
        return updater.incrementAndGet(this);
    }

    public int decrementRefCnt() {
        return updater.decrementAndGet(this);
    }
}