/**
* Wait until futures are complete or the supplied timeout is reached.
*
* @param timeout Maximum time to wait for futures to complete.
* @param unit Unit of time for the timeout.
* @param futures Futures to wait for.
* @return True if all futures complete in time.
*/
public boolean awaitAll(long timeout, TimeUnit unit, Future<?>... futures) {
boolean complete;
try {
// 将timeout 转换为微秒
long nanos = unit.toNanos(timeout);
// 获取系统当前时间的微秒
long time = System.nanoTime();
for (Future<?> f : futures) {
if (nanos < 0) return false;
// 此处f的示例为Command
f.get(nanos, TimeUnit.NANOSECONDS);
long now = System.nanoTime();
nanos -= now - time;
time = now;
}
complete = true;
} catch (TimeoutException e) {
complete = false;
} catch (Exception e) {
throw new RedisCommandInterruptedException(e);
}
return complete;
}
/**
* Set the default timeout for {@link RedisConnection connections} created by this client. The
* timeout applies to connection attempts and non-blocking commands.
*
* @param timeout Default connection timeout.
* @param unit Unit of time for the timeout.
*/
public void setDefaultTimeout(long timeout, TimeUnit unit) {
this.timeout = timeout;
this.unit = unit;
bootstrap.setOption("connectTimeoutMillis", unit.toMillis(timeout));
}