outputPort.h

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/*******************************************************************************
** Copyright (c) 2003 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: outputPort.h,v $ $Revision: 1.9 $ $State: Exp $
*******************************************************************************/



#ifndef DtOutputPort_H_
#define DtOutputPort_H_

#include <vlutil/vlString.h>
#include <vlutil/vlList.h>
#include "vrfobjcore/vrfobjcoreDefines.h"

class DtPortConnection;
class DtPortData;

class DT_DLL_vrfobjcore DtOutputPort
{
public:
   DtOutputPort(const DtString& portName);

   virtual ~DtOutputPort();

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

public:

   virtual bool init();

   virtual const DtString& name() const;

   virtual const DtString type() const = 0;

   virtual void createPortData() = 0;

   virtual DtPortData* data();
   virtual const DtPortData* data() const;

   virtual void sendData();

   virtual void addConnection(DtPortConnection* conn);
   virtual void removeConnection(DtPortConnection* conn);

   virtual bool attemptToActivate();

   virtual bool canActivate() const;

   virtual void deactivate();

   virtual void allowDeactivation(); 

   virtual bool active() const;

   virtual const DtList* connectionList() const;

   virtual void setConnectionPriority(int priority);

   virtual bool enabled() const;
   virtual void setEnabled(bool flag);

protected:

   DtString myName;
   bool myEnabled;

   DtPortData * myData;

   DtList myConnectionList;   
};

#endif