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/*
Copyright (c) 2016, Ford Motor Company
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following
disclaimer in the documentation and/or other materials provided with the
distribution.
Neither the name of the Ford Motor Company nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SRC_COMPONENTS_APPLICATION_MANAGER_INCLUDE_APPLICATION_MANAGER_EVENT_ENGINE_EVENT_DISPATCHER_IMPL_H_
#define SRC_COMPONENTS_APPLICATION_MANAGER_INCLUDE_APPLICATION_MANAGER_EVENT_ENGINE_EVENT_DISPATCHER_IMPL_H_
#include <vector>
#include <map>
#include "utils/lock.h"
#include "application_manager/event_engine/event.h"
#include "application_manager/event_engine/event_dispatcher.h"
namespace application_manager {
namespace event_engine {
class EventObserver;
class EventDispatcherImpl : public EventDispatcher {
public:
// Data types section
typedef std::vector<EventObserver*> ObserverVector;
typedef std::map<int32_t, ObserverVector> ObserversMap;
typedef std::map<Event::EventID, ObserversMap> EventObserverMap;
/*
* @brief Destructor
*/
virtual ~EventDispatcherImpl();
/*
* @brief Default constructor
*/
EventDispatcherImpl();
#ifdef BUILD_TESTS
EventObserverMap get_observers() const {
return observers_event_;
}
ObserverVector get_observers_list() const {
return observers_;
}
#endif // BUILD_TESTS
/*
* @brief Delivers the event to all subscribers
*
* @param event Received event
*/
void raise_event(const Event& event) OVERRIDE;
/*
* @brief Subscribe the observer to event
*
* @param event_id The event ID to subscribe for
* @param hmi_correlation_id The event HMI correlation ID
* @param observer The observer to subscribe for event
*/
void add_observer(const Event::EventID& event_id,
int32_t hmi_correlation_id,
EventObserver& observer) OVERRIDE;
/*
* @brief Unsubscribes the observer from specific event
*
* @param event_id The event ID to unsubscribe from
* @param observer The observer to be unsubscribed
*/
void remove_observer(const Event::EventID& event_id,
EventObserver& observer) OVERRIDE;
/*
* @brief Unsubscribes the observer from all events
*
* @param observer The observer to be unsubscribed
*/
void remove_observer(EventObserver& observer) OVERRIDE;
private:
/*
* @brief removes observer
* when occurs unsubscribe from event
* @param observer to be removed
*/
void remove_observer_from_vector(EventObserver& observer);
DISALLOW_COPY_AND_ASSIGN(EventDispatcherImpl);
private:
// Members section
sync_primitives::Lock state_lock_;
sync_primitives::RecursiveLock observer_lock_;
EventObserverMap observers_event_;
ObserverVector observers_;
};
} // namespace event_engine
} // namespace application_manager
#endif // SRC_COMPONENTS_APPLICATION_MANAGER_INCLUDE_APPLICATION_MANAGER_EVENT_ENGINE_EVENT_DISPATCHER_IMPL_H_
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