diff options
Diffstat (limited to 'Rx/v2/src/rxcpp/operators/rx-multicast.hpp')
-rw-r--r-- | Rx/v2/src/rxcpp/operators/rx-multicast.hpp | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/Rx/v2/src/rxcpp/operators/rx-multicast.hpp b/Rx/v2/src/rxcpp/operators/rx-multicast.hpp deleted file mode 100644 index 193a11a..0000000 --- a/Rx/v2/src/rxcpp/operators/rx-multicast.hpp +++ /dev/null @@ -1,123 +0,0 @@ -// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information. - -#pragma once - -/*! \file rx-multicast.hpp - - \brief allows connections to the source to be independent of subscriptions. - - \tparam Subject the subject to multicast the source Observable. - - \param sub the subject. -*/ - -#if !defined(RXCPP_OPERATORS_RX_MULTICAST_HPP) -#define RXCPP_OPERATORS_RX_MULTICAST_HPP - -#include "../rx-includes.hpp" - -namespace rxcpp { - -namespace operators { - -namespace detail { - -template<class... AN> -struct multicast_invalid_arguments {}; - -template<class... AN> -struct multicast_invalid : public rxo::operator_base<multicast_invalid_arguments<AN...>> { - using type = observable<multicast_invalid_arguments<AN...>, multicast_invalid<AN...>>; -}; -template<class... AN> -using multicast_invalid_t = typename multicast_invalid<AN...>::type; - -template<class T, class Observable, class Subject> -struct multicast : public operator_base<T> -{ - typedef rxu::decay_t<Observable> source_type; - typedef rxu::decay_t<Subject> subject_type; - - struct multicast_state : public std::enable_shared_from_this<multicast_state> - { - multicast_state(source_type o, subject_type sub) - : source(std::move(o)) - , subject_value(std::move(sub)) - { - } - source_type source; - subject_type subject_value; - rxu::detail::maybe<typename composite_subscription::weak_subscription> connection; - }; - - std::shared_ptr<multicast_state> state; - - multicast(source_type o, subject_type sub) - : state(std::make_shared<multicast_state>(std::move(o), std::move(sub))) - { - } - template<class Subscriber> - void on_subscribe(Subscriber&& o) const { - state->subject_value.get_observable().subscribe(std::forward<Subscriber>(o)); - } - void on_connect(composite_subscription cs) const { - if (state->connection.empty()) { - auto destination = state->subject_value.get_subscriber(); - - // the lifetime of each connect is nested in the subject lifetime - state->connection.reset(destination.add(cs)); - - auto localState = state; - - // when the connection is finished it should shutdown the connection - cs.add( - [destination, localState](){ - if (!localState->connection.empty()) { - destination.remove(localState->connection.get()); - localState->connection.reset(); - } - }); - - // use cs not destination for lifetime of subscribe. - state->source.subscribe(cs, destination); - } - } -}; - -} - -/*! @copydoc rx-multicast.hpp -*/ -template<class... AN> -auto multicast(AN&&... an) - -> operator_factory<multicast_tag, AN...> { - return operator_factory<multicast_tag, AN...>(std::make_tuple(std::forward<AN>(an)...)); -} - -} - -template<> -struct member_overload<multicast_tag> -{ - template<class Observable, class Subject, - class Enabled = rxu::enable_if_all_true_type_t< - is_observable<Observable>>, - class SourceValue = rxu::value_type_t<Observable>, - class Multicast = rxo::detail::multicast<SourceValue, rxu::decay_t<Observable>, rxu::decay_t<Subject>>, - class Value = rxu::value_type_t<Multicast>, - class Result = connectable_observable<Value, Multicast>> - static Result member(Observable&& o, Subject&& sub) { - return Result(Multicast(std::forward<Observable>(o), std::forward<Subject>(sub))); - } - - template<class... AN> - static operators::detail::multicast_invalid_t<AN...> member(AN...) { - std::terminate(); - return {}; - static_assert(sizeof...(AN) == 10000, "multicast takes (Subject)"); - } -}; - -} - -#endif |