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// **********************************************************************
//
// Copyright (c) 2001
// Mutable Realms, Inc.
// Huntsville, AL, USA
//
// All Rights Reserved
//
// **********************************************************************
#ifndef TOPIC_I_H
#define TOPIC_I_H
#include <IceUtil/RecMutex.h>
#include <IceStorm/IceStormInternal.h>
#include <IceStorm/IdentityLinkDict.h>
#include <IceStorm/SubscriberFactory.h>
namespace IceStorm
{
//
// Forward declarations.
//
class TopicSubscribers;
typedef IceUtil::Handle<TopicSubscribers> TopicSubscribersPtr;
class TraceLevels;
typedef IceUtil::Handle<TraceLevels> TraceLevelsPtr;
class SubscriberFactory;
typedef IceUtil::Handle<SubscriberFactory> SubscriberFactoryPtr;
//
// TopicInternal implementation.
//
class TopicI : public TopicInternal, public IceUtil::RecMutex
{
public:
TopicI(const Ice::ObjectAdapterPtr&, const TraceLevelsPtr&, const std::string&, const SubscriberFactoryPtr&,
const Freeze::DBPtr&);
~TopicI();
virtual std::string getName(const Ice::Current&);
virtual Ice::ObjectPrx getPublisher(const Ice::Current&);
virtual void destroy(const Ice::Current&);
virtual void link(const TopicPrx&, Ice::Int, const Ice::Current&);
virtual void unlink(const TopicPrx&, const Ice::Current&);
virtual LinkInfoSeq getLinkInfoSeq(const Ice::Current&);
virtual TopicLinkPrx getLinkProxy(const Ice::Current&);
// Internal methods
bool destroyed() const;
void subscribe(const Ice::ObjectPrx&, const QoS&);
void unsubscribe(const Ice::ObjectPrx&);
void reap();
private:
//
// Immutable members.
//
Ice::ObjectAdapterPtr _adapter;
TraceLevelsPtr _traceLevels;
std::string _name; // The topic name
SubscriberFactoryPtr _factory;
Ice::ObjectPtr _publisher; // Publisher & associated proxy
Ice::ObjectPrx _publisherPrx;
Ice::ObjectPtr _link; // TopicLink & associated proxy
TopicLinkPrx _linkPrx;
//
// Mutable members. Protected by *this
//
bool _destroyed; // Has this Topic been destroyed?
TopicSubscribersPtr _subscribers; // Set of Subscribers
IdentityLinkDict _links; // The database of Topic links
Freeze::DBPtr _linksDb;
};
typedef IceUtil::Handle<TopicI> TopicIPtr;
} // End namespace IceStorm
#endif
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