observable<T> get_observable() const {
auto keepAlive = s;
auto observable = make_observable_dynamic<T>([=](subscriber<T> o){
if (keepAlive.get_subscription().is_subscribed()) {
for (auto&& value: get_values())
o.on_next(value);
}
keepAlive.add(keepAlive.get_subscriber(), std::move(o));
});
return s.get_coordinator().in(observable);
}
void on_connect(composite_subscription cs) {
if (connection.empty()) {
// the lifetime of each connect is independent
auto destination = subject_value.get_subscriber();
// when the paramter is unsubscribed it should
// unsubscribe the most recent connection
connection.reset(cs.add(destination.get_subscription()));
// when the connection is finished it should shutdown the connection
destination.add(make_subscription(
[cs, this](){
cs.remove(this->connection.get());
this->connection.reset();
}));
source.subscribe(destination);
}
}
input_subscriber_type get_subscriber() const {
return make_subscriber<T>(get_id(), get_subscription(), observer<T, detail::multicast_observer<T>>(*this));
}