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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
#ifndef TOPIC_MANAGER_I_H
#define TOPIC_MANAGER_I_H
#include <IceStorm/IceStorm.h>
#include <IceStorm/Replica.h>
#include <IceStorm/Election.h>
#include <IceStorm/Instrumentation.h>
#include <IceStorm/Util.h>
namespace IceStorm
{
class PersistentInstance;
class TopicImpl;
//
// TopicManager implementation.
//
class TopicManagerImpl final : public IceStormElection::Replica,
public IceStorm::Instrumentation::ObserverUpdater,
public std::enable_shared_from_this<TopicManagerImpl>
{
public:
static std::shared_ptr<TopicManagerImpl> create(const std::shared_ptr<PersistentInstance>&);
// TopicManager methods.
std::shared_ptr<TopicPrx> create(const std::string&);
std::shared_ptr<TopicPrx> retrieve(const std::string&);
TopicDict retrieveAll();
// Observer methods.
void observerInit(const IceStormElection::LogUpdate&, const IceStormElection::TopicContentSeq&);
void observerCreateTopic(const IceStormElection::LogUpdate&, const std::string&);
void observerDestroyTopic(const IceStormElection::LogUpdate&, const std::string&);
void observerAddSubscriber(const IceStormElection::LogUpdate&, const std::string&,
const IceStorm::SubscriberRecord&);
void observerRemoveSubscriber(const IceStormElection::LogUpdate&, const std::string&, const Ice::IdentitySeq&);
// Sync methods.
void getContent(IceStormElection::LogUpdate&, IceStormElection::TopicContentSeq&);
// Replica methods.
IceStormElection::LogUpdate getLastLogUpdate() const override;
void sync(const std::shared_ptr<Ice::ObjectPrx>&) override;
void initMaster(const std::set<IceStormElection::GroupNodeInfo>&, const IceStormElection::LogUpdate&) override;
std::shared_ptr<Ice::ObjectPrx> getObserver() const override;
std::shared_ptr<Ice::ObjectPrx> getSync() const override;
void reap();
void shutdown();
std::shared_ptr<Ice::Object> getServant() const;
private:
TopicManagerImpl(std::shared_ptr<PersistentInstance>);
void updateTopicObservers() override;
void updateSubscriberObservers() override;
std::shared_ptr<TopicPrx> installTopic(const std::string&, const Ice::Identity&, bool,
const IceStorm::SubscriberRecordSeq& = IceStorm::SubscriberRecordSeq());
const std::shared_ptr<PersistentInstance> _instance;
std::map<std::string, std::shared_ptr<TopicImpl>> _topics;
std::shared_ptr<Ice::Object> _managerImpl;
std::shared_ptr<Ice::ObjectPrx> _observer;
std::shared_ptr<Ice::ObjectPrx> _sync;
LLUMap _lluMap;
SubscriberMap _subscriberMap;
std::recursive_mutex _mutex;
};
} // End namespace IceStorm
#endif
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