该/ .Object.wait() Object.notify()Object.notifyAll()
或者Condition.await()和Condition.signal()/ Condition.signalAll()为Java 5+.
编辑:因为python规范类似于我们通常等待Java实现的方式如下所示:
class Event {
Lock lock = new ReentrantLock();
Condition cond = lock.newCondition();
boolean flag;
public void doWait() throws InterruptedException {
lock.lock();
try {
while (!flag) {
cond.await();
}
} finally {
lock.unlock();
}
}
public void doWait(float seconds) throws InterruptedException {
lock.lock();
try {
while (!flag) {
cond.await((int)(seconds * 1000), TimeUnit.MILLISECONDS);
}
} finally {
lock.unlock();
}
}
public boolean isSet() {
lock.lock();
try {
return flag;
} finally {
lock.unlock();
}
}
public void set() {
lock.lock();
try {
flag = true;
cond.signalAll();
} finally {
lock.unlock();
}
}
public void clear() {
lock.lock();
try {
flag = false;
cond.signalAll();
} finally {
lock.unlock();
}
}
}
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