ReentrantLock

// 一种可重入的独占锁
ReentrantLock lock=new ReentrantLock();
Condition Condition = lock.newCondition();

lock.lock();

Condition.await();
// https://segmentfault.com/a/1190000015807209
Condition.signal();
try {
    
} catch (Exception e) {
    logger.error(e);
}finally{
    lock.unlock();
}