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feat(EventManager): Out of line some methods

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This commit is contained in:
Giulio Eulisse
2025-01-23 15:06:38 +01:00
committed by Dennis Klein
parent e4f258c9ea
commit c11506e958
4 changed files with 73 additions and 35 deletions
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82
fairmq/EventManager.h
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@@ -1,5 +1,5 @@
/********************************************************************************
* Copyright (C) 2014-2017 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *
* Copyright (C) 2014-2025 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *
* *
* This software is distributed under the terms of the *
* GNU Lesser General Public Licence (LGPL) version 3, *
@@ -57,27 +57,8 @@ class EventManager
template<typename E, typename ...Args>
using Signal = boost::signals2::signal<void(typename E::KeyType, Args...)>;
template<typename E, typename ...Args>
auto Subscribe(const std::string& subscriber, std::function<void(typename E::KeyType, Args...)> callback) -> void
{
const std::type_index event_type_index{typeid(E)};
const std::type_index callback_type_index{typeid(std::function<void(typename E::KeyType, Args...)>)};
const auto signalsKey = std::make_pair(event_type_index, callback_type_index);
const auto connectionsKey = std::make_pair(subscriber, signalsKey);
const auto connection = GetSignal<E, Args...>(signalsKey)->connect(callback);
{
std::lock_guard<std::mutex> lock{fMutex};
if (fConnections.find(connectionsKey) != fConnections.end())
{
fConnections.at(connectionsKey).disconnect();
fConnections.erase(connectionsKey);
}
fConnections.insert({connectionsKey, connection});
}
}
template<typename E, typename... Args>
auto Subscribe(const std::string& subscriber, std::function<void(typename E::KeyType, Args...)> callback) -> void;
template<typename E, typename ...Args>
auto Unsubscribe(const std::string& subscriber) -> void
@@ -119,21 +100,58 @@ class EventManager
mutable std::mutex fMutex;
template<typename E, typename ...Args>
auto GetSignal(const SignalsKey& key) const -> std::shared_ptr<Signal<E, Args...>>
auto GetSignal(const SignalsKey& key) const -> std::shared_ptr<Signal<E, Args...>>;
}; /* class EventManager */
struct PropertyChangeAsString : Event<std::string> {};
template<typename E, typename... Args>
auto EventManager::GetSignal(const SignalsKey& key) const -> std::shared_ptr<Signal<E, Args...>>
{
std::lock_guard<std::mutex> lock{fMutex};
if (fSignals.find(key) == fSignals.end()) {
// wrapper is needed because boost::signals2::signal is neither copyable nor movable
// and I don't know how else to insert it into the map
auto signal = std::make_shared<Signal<E, Args...>>();
fSignals.insert(std::make_pair(key, signal));
}
return boost::any_cast<std::shared_ptr<Signal<E, Args...>>>(fSignals.at(key));
}
template<typename E, typename... Args>
auto EventManager::Subscribe(const std::string& subscriber,
std::function<void(typename E::KeyType, Args...)> callback) -> void
{
const std::type_index event_type_index{typeid(E)};
const std::type_index callback_type_index{
typeid(std::function<void(typename E::KeyType, Args...)>)};
const auto signalsKey = std::make_pair(event_type_index, callback_type_index);
const auto connectionsKey = std::make_pair(subscriber, signalsKey);
const auto connection = GetSignal<E, Args...>(signalsKey)->connect(callback);
{
std::lock_guard<std::mutex> lock{fMutex};
if (fSignals.find(key) == fSignals.end())
{
// wrapper is needed because boost::signals2::signal is neither copyable nor movable
// and I don't know how else to insert it into the map
auto signal = std::make_shared<Signal<E, Args...>>();
fSignals.insert(std::make_pair(key, signal));
if (fConnections.find(connectionsKey) != fConnections.end()) {
fConnections.at(connectionsKey).disconnect();
fConnections.erase(connectionsKey);
}
return boost::any_cast<std::shared_ptr<Signal<E, Args...>>>(fSignals.at(key));
fConnections.insert({connectionsKey, connection});
}
}; /* class EventManager */
}
extern template std::shared_ptr<
fair::mq::EventManager::Signal<fair::mq::PropertyChangeAsString, std::string>>
fair::mq::EventManager::GetSignal<fair::mq::PropertyChangeAsString, std::string>(
const std::pair<std::type_index, std::type_index>& key) const;
extern template void
fair::mq::EventManager::Subscribe<fair::mq::PropertyChangeAsString, std::string>(
const std::string& subscriber,
std::function<void(typename fair::mq::PropertyChangeAsString::KeyType, std::string)>);
} // namespace fair::mq