DefaultDeltaManager.hpp

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/*
 * Copyright 2014 CyberVision, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License 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 DEFAULTDELTAMANAGER_HPP_
#define DEFAULTDELTAMANAGER_HPP_

#include <map>

#include <boost/thread/mutex.hpp>

#include "kaa/configuration/delta/manager/IDeltaReceiver.hpp"
#include "kaa/configuration/delta/DeltaHandlerId.hpp"
#include "kaa/configuration/IGenericDeltaReceiver.hpp"
#include "kaa/configuration/delta/manager/IDeltaManager.hpp"
#include "kaa/configuration/delta/DefaultConfigurationDeltaFactory.hpp"

namespace kaa {

class DefaultDeltaManager : public IDeltaManager, public IGenericDeltaReceiver {
public:
    DefaultDeltaManager();

    virtual void onDeltaRecevied(int index, const avro::GenericDatum &data, bool full_resync);

    virtual void registerRootReceiver(IDeltaReceiver* rootReceiver);

    virtual void subscribeForDeltaUpdates(const DeltaHandlerId& handlerId, IDeltaReceiver* receiver);

    virtual void unsubscribeFromDeltaUpdates(const DeltaHandlerId& handlerId);

private:
    IDeltaReceiver                              *rootReceiver_;

    boost::mutex                                subscriptionMutex_;
    std::map<DeltaHandlerId, IDeltaReceiver*>   subscriptionStorage_;
};

} /* namespace kaa */

#endif /* DEFAULTDELTAMANAGER_HPP_ */