@Override
public void onSubscribe(Subscription s) {
if (SubscriptionHelper.validateSubscription(this.s, s)) {
return;
}
this.s = s;
Subscriber<? super U> actual = this.actual;
U b;
try {
b = bufferSupplier.get();
} catch (Throwable e) {
cancelled = true;
s.cancel();
EmptySubscription.error(e, actual);
return;
}
if (b == null) {
cancelled = true;
s.cancel();
EmptySubscription.error(new NullPointerException("The buffer supplied is null"), actual);
return;
}
buffer = b;
Publisher<B> boundary;
try {
boundary = boundarySupplier.get();
} catch (Throwable ex) {
cancelled = true;
s.cancel();
EmptySubscription.error(ex, actual);
return;
}
if (boundary == null) {
cancelled = true;
s.cancel();
EmptySubscription.error(
new NullPointerException("The boundary publisher supplied is null"), actual);
return;
}
BufferBoundarySubscriber<T, U, B> bs = new BufferBoundarySubscriber<T, U, B>(this);
other = bs;
actual.onSubscribe(this);
if (!cancelled) {
s.request(Long.MAX_VALUE);
boundary.subscribe(bs);
}
}
@Override
public void request(long n) {
if (SubscriptionHelper.validate(n)) {
if (BackpressureHelper.addAndGet(REQUESTED, this, n) == 0) {
if (n == Long.MAX_VALUE) {
fastPath();
} else {
slowPath(n);
}
}
}
}
public boolean addSubscription(Subscription toAdd) {
return subHelper.addSubscription(toAdd);
}
public void resetToDemoSubscriptions() {
subHelper.resetToDemoSubscriptions();
}
/**
* Gets a Map of URLs to Subscription Name
*
* @return a map keyed on sub url to value of sub name
*/
public List<Subscription> getSubscriptions() {
List<Subscription> subscriptions = subHelper.getSubscriptions();
return subscriptions;
}
public boolean editSubscription(Subscription original, Subscription modified) {
return subHelper.editSubscription(original, modified);
}
public void toggleSubscription(Subscription sub) {
subHelper.toggleSubscription(sub);
}
public void deleteSubscription(Subscription sub) {
subHelper.removeSubscription(sub);
}
public void deleteAllSubscriptions() {
subHelper.deleteAllSubscriptions();
}
