public boolean trySendOnSharedLine(String message, long timeout, TimeUnit unit)
throws InterruptedException {
long nanosToLock = unit.toNanos(timeout) - estimatedNanosToSend(message);
if (!lock.tryLock(nanosToLock, NANOSECONDS)) return false;
try {
return sendOnSharedLine(message);
} finally {
lock.unlock();
}
}
