.

src/hos_cosgi_core/include/hos_cosgi_core/hos/cosgi/service/Implementation.h

@@ -324,7 +324,7 @@ public:
 	 * \param[in] e event.
 	 * \return notified observer count.
 	 */
-	size_t notifyObservers(const _Key& k, const _Event* e) noexcept override {
+	virtual size_t notifyObservers(const _Key& k, const _Event* e) noexcept override {
 		std::lock_guard<std::recursive_mutex> lock(_observersMutex);
 		size_t retval = 0;
 		// We work with a copy so that we can insert/remove observers within a callback.
@@ -337,6 +337,27 @@ public:
 		return retval;
 	}
 
+	/**
+	 * Notify observers of a new event.
+	 *
+	 * \param[in] key observer filter key.
+	 * \param[in] substkey key that is send to the observers.
+	 * \param[in] e event.
+	 * \return notified observer count.
+	 */
+	virtual size_t notifyObservers(const _Key& key, const _Key& substkey, const _Event* e) noexcept override {
+		std::lock_guard<std::recursive_mutex> lock(_observersMutex);
+		size_t retval = 0;
+		// We work with a copy so that we can insert/remove observers within a callback.
+		observers_type tmp = _observers;
+		auto ol = tmp.equal_range(key);
+		for (auto i = ol.first; i != ol.second; i++) {
+			i->second->notificationReceived(this, substkey, e);
+			retval++;
+		}
+		return retval;
+	}
+
 };
 
 

src/hos_cosgi_core/include/hos_cosgi_core/hos/cosgi/service/Interface.h

@@ -269,6 +269,18 @@ public:
 	 */
 	virtual size_t notifyObservers(const _Key& key, const _Event* e) noexcept = 0;
 
+	/**
+	 * Notify observers of a new event.
+	 *
+	 * The purpose of this function is to implement an all-events key.
+	 *
+	 * \param[in] key observer filter key.
+	 * \param[in] substkey key that is send to the observers.
+	 * \param[in] e event.
+	 * \return notified observer count.
+	 */
+	virtual size_t notifyObservers(const _Key& key, const _Key& substkey, const _Event* e) noexcept = 0;
+
 };