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/*
* Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0/
*
* or in the "license" file accompanying this file. This file is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
#ifndef VSHL_UTILITIES_EVENTS_EVENTMANAGER_H_
#define VSHL_UTILITIES_EVENTS_EVENTMANAGER_H_
#include <memory>
#include <string>
#include <unordered_set>
#include "interfaces/utilities/events/IEventFilter.h"
#include "interfaces/utilities/logging/ILogger.h"
using namespace std;
namespace vshl {
namespace utilities {
namespace events {
/*
* This class is responsible for routing incoming events to
* the appropriate event listener for consumption.
* Note: The listeners should implement the IEventFilter class.
*/
class EventRouter {
public:
static unique_ptr<EventRouter> create(shared_ptr<vshl::common::interfaces::ILogger> logger);
// Destructor
~EventRouter();
// Add event filter as listerner.
bool addEventFilter(shared_ptr<vshl::common::interfaces::IEventFilter> filter);
// Remove event filter as listerner.
bool removeEventFilter(shared_ptr<vshl::common::interfaces::IEventFilter> filter);
// This method is called by the controller for routing
// the event to appropriate listener.
bool handleIncomingEvent(const string eventName, const string voiceAgentId, const string payload);
private:
EventRouter(shared_ptr<vshl::common::interfaces::ILogger> logger);
// set of event filters.
unordered_set<shared_ptr<vshl::common::interfaces::IEventFilter>> mEventFilters;
// Logger
shared_ptr<vshl::common::interfaces::ILogger> mLogger;
};
} // namespace events
} // namespace utilities
} // namespace vshl
#endif // VSHL_UTILITIES_EVENTS_EVENTROUTER_H_
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