/** {@inheritDoc} <br> */
@Override
protected <T> Callable<T> toCallable(final SlideCallback<T> task) {
Args.check(0 < threadNum, "'ThreadNum' cannot be less than zero.");
return new Callable<T>() {
@Override
public T call() throws Exception {
int exp = (int) TimeUnit.MILLISECONDS.toSeconds(intervalMilliseconds) - 1; // 早1秒失效
for (int i = 1; i <= threadNum; i++) {
String key = keyPrefix + i;
boolean add = cacheService.add(key, 1, exp);
if (add) return task.call();
}
Thread.sleep(intervalMilliseconds); // TODO 寻找更好的方案
return call();
}
};
}
/** @param intervalMilliseconds 要设置的 intervalMilliseconds */
public void setIntervalMilliseconds(long intervalMilliseconds) {
Args.check(
0 < intervalMilliseconds, "'intervalMilliseconds' should be a value greater than zero.");
this.intervalMilliseconds = intervalMilliseconds;
}