@Override
public void onComplete() {
if (once) {
return;
}
once = true;
parent.next();
}
@Override
public void onError(Throwable t) {
if (once) {
RxJavaPlugins.onError(t);
return;
}
once = true;
parent.onError(t);
}
@Override
public void onNext(B t) {
if (once) {
return;
}
once = true;
cancel();
parent.next();
}