com.redismq.samples.rocket.lock.PutMessageSpinLock Maven / Gradle / Ivy

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package com.redismq.samples.rocket.lock;

import java.util.concurrent.atomic.AtomicBoolean;

/**
 * Spin lock Implementation to put message, suggest using this with low race conditions
 */
public class PutMessageSpinLock implements  PutMessageLock {
    /**
     *  消息自旋锁
     */
    private final AtomicBoolean putMessageSpinLock = new AtomicBoolean(true);

    @Override
    public void lock() {
        boolean flag;
        do {
            flag = this.putMessageSpinLock.compareAndSet(true, false);
        }
        while (!flag);
    }

    @Override
    public void unlock() {
        this.putMessageSpinLock.compareAndSet(false, true);
    }
}