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FairMQ: Implement property change event config API

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Replaced the old event manager implementation, which changed the
subscription semantics to bulk event subscriptions.
This commit is contained in:
Dennis Klein
2017-09-28 21:51:42 +02:00
committed by Mohammad Al-Turany
parent 8c8ee45914
commit 7f23a70670
7 changed files with 95 additions and 213 deletions
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31
fairmq/PluginServices.h
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@@ -206,30 +206,25 @@ class PluginServices
auto GetChannelInfo() const -> std::unordered_map<std::string, int> { return fConfig->GetChannelInfo(); }
/// @brief Discover the list of property keys
/// @return list of property keys
auto GetPropertyKeys() const -> std::vector<std::string> { return fConfig->GetPropertyKeys(); }
/// @brief Subscribe to property updates of type T
/// @param subscriber
/// @param callback function
///
/// While PluginServices provides the SetProperty method which can update properties only during certain device states, there are
/// other APIs in a FairMQ device that can update properties at any time. Therefore, the callback implementation should expect to be called in any
/// device state.
// template<typename T>
// auto SubscribeToPropertyChange(
// const std::string& subscriber,
// std::function<void(const std::string& [>key*/, const T /*newValue<])> callback
// ) const -> void
// {
// fConfig->Subscribe(subscriber, callback);
// }
//
// /// @brief Unsubscribe from property updates of type T
// /// @param subscriber
// template<typename T>
// auto UnsubscribeFromPropertyChange(const std::string& subscriber) -> void { fConfig->Unsubscribe<T>(subscriber); }
//
// TODO Fix property subscription
/// Subscribe to property changes with a callback to monitor property changes in an event based fashion.
template<typename T>
auto SubscribeToPropertyChange(const std::string& subscriber, std::function<void(const std::string& key, T)> callback) const -> void
{
fConfig->Subscribe<T>(subscriber, callback);
}
/// @brief Unsubscribe from property updates of type T
/// @param subscriber
template<typename T>
auto UnsubscribeFromPropertyChange(const std::string& subscriber) -> void { fConfig->Unsubscribe<T>(subscriber); }
static const std::unordered_map<std::string, DeviceState> fkDeviceStateStrMap;
static const std::unordered_map<DeviceState, std::string, tools::HashEnum<DeviceState>> fkStrDeviceStateMap;