@Override
public void onSubscribe(Subscription s) {
super.onSubscribe(s);
subscription = s;
long r = pendingRequests;
if (r > 0) {
subscription.request(r);
}
}
@Override
public void onSubscribe(Subscription subscription) {
super.onSubscribe(subscription);
this.subscription = subscription;
this.subscription.request(1);
}