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// **********************************************************************
//
// Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#ifndef TRANSIENT_TOPIC_I_H
#define TRANSIENT_TOPIC_I_H
#include <IceStorm/IceStormInternal.h>
namespace IceStorm
{
// Forward declarations.
class Instance;
typedef IceUtil::Handle<Instance> InstancePtr;
class Subscriber;
typedef IceUtil::Handle<Subscriber> SubscriberPtr;
class TransientTopicImpl : public TopicInternal, public IceUtil::Mutex
{
public:
TransientTopicImpl(const InstancePtr&, const std::string&, const Ice::Identity&);
~TransientTopicImpl();
virtual std::string getName(const Ice::Current&) const;
virtual Ice::ObjectPrx getPublisher(const Ice::Current&) const;
virtual Ice::ObjectPrx getNonReplicatedPublisher(const Ice::Current&) const;
virtual void subscribe(const QoS&, const Ice::ObjectPrx&, const Ice::Current&);
virtual Ice::ObjectPrx subscribeAndGetPublisher(const QoS&, const Ice::ObjectPrx&, const Ice::Current&);
virtual void unsubscribe(const Ice::ObjectPrx&, const Ice::Current&);
virtual TopicLinkPrx getLinkProxy(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&) const;
virtual void destroy(const Ice::Current&);
virtual void reap(const Ice::IdentitySeq&, const Ice::Current&);
// Internal methods
bool destroyed() const;
Ice::Identity id() const;
void publish(bool, const EventDataSeq&);
void shutdown();
private:
//
// Immutable members.
//
const InstancePtr _instance;
const std::string _name; // The topic name
const Ice::Identity _id; // The topic identity
/*const*/ Ice::ObjectPrx _publisherPrx;
/*const*/ TopicLinkPrx _linkPrx;
//
// We keep a vector of subscribers since the optimized behaviour
// should be publishing events, not searching through the list of
// subscribers for a particular subscriber. I tested
// vector/list/map and although there was little difference vector
// was the fastest of the three.
//
std::vector<SubscriberPtr> _subscribers;
bool _destroyed; // Has this Topic been destroyed?
};
typedef IceUtil::Handle<TransientTopicImpl> TransientTopicImplPtr;
} // End namespace IceStorm
#endif
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