node.hpp

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#ifndef __LOGOG_NODE_HPP__
#define __LOGOG_NODE_HPP__

namespace logog
{
class Node;

typedef LOGOG_SET< Node *, std::less< Node * >, Allocator< Node * > > NodesType;

class LockableNodesType : public NodesType, public Mutex
{
public:
    LockableNodesType & operator = (const LockableNodesType &other);
};

extern LockableNodesType &GetStaticNodes( void ** pvLocation );

extern LockableNodesType &AllNodes();

extern LockableNodesType &AllSubscriberNodes();

extern LockableNodesType &AllFilters();

extern LockableNodesType &AllTargets();

class Node : public Object
{
public:

    Node();

    ~Node();

    virtual void Initialize();

    virtual bool CanPublish() const;
    virtual bool CanSubscribe() const;
    virtual bool CanSubscribeTo( const Node & );

    virtual bool IsTopic() const;

    virtual bool PublishTo( Node &subscriber );

    virtual bool PublishToMultiple( LockableNodesType &nodes );

    virtual bool UnpublishTo( Node &subscriber );

    virtual bool UnpublishToMultiple( LockableNodesType &nodes );

    virtual bool SubscribeTo( Node &publisher );

    virtual bool SubscribeToMultiple( LockableNodesType &nodes );


    virtual bool UnsubscribeTo( Node &publisher );

    virtual bool UnsubscribeToMultiple( LockableNodesType &nodes );

    void Clear();


    void *m_pUserData1;

    void *m_pUserData2;

protected:
    LockableNodesType   m_Subscribers;

    LockableNodesType   m_Publishers;
};

extern void DestroyNodesList( void **pvList );

extern void DestroyAllNodes();

}

#endif // __LOGOG_NODE_HPP_