include/vrfobjcore/multiConnectionInputPort.h

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/*******************************************************************************
** Copyright (c) 2005 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: multiConnectionInputPort.h,v $ $Revision: 1.4 $ $State: Exp $
*******************************************************************************/



#ifndef multiConnectionInputPort_H_
#define multiConnectionInputPort_H_

#include "vrfobjcore/inputPort.h"
#include <map>
#include "vrfobjcore/vrfobjcoreDefines.h"

typedef std::map<const DtPortConnection*, DtPortData*> DtMultiConnectionInputPortConnectionMap;

class DT_DLL_vrfobjcore DtMultiConnectionInputPort : public DtInputPort
{
public:
   
   DtMultiConnectionInputPort(const DtString& portName);
   virtual ~DtMultiConnectionInputPort();

private:
   DtMultiConnectionInputPort();
   DtMultiConnectionInputPort(const DtMultiConnectionInputPort&);
   DtMultiConnectionInputPort& operator=(const DtMultiConnectionInputPort&);

public:
   
   virtual void receiveData(DtPortData* data, const DtPortConnection* conn);

   virtual bool attemptToActivateConnection(DtPortConnection* conn,
      int connectionPriority);

   virtual bool canActivate(const DtPortConnection* conn, int connectionPriority) const;

   virtual void deactivateConnection(DtPortConnection* conn);

   virtual bool activeConnection() const;

   virtual bool connectionActive(const DtPortConnection* connection) const;

   virtual int connectionPriority() const;

protected:
   DtMultiConnectionInputPortConnectionMap myCurrentConnections;
};

#endif