interfaceContentFactory.h

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/*******************************************************************************
** Copyright (c) 1999-2001 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/

//
// File:        ifContFactory.h
//
// Class:       DtInterfaceContentFactory
//

#pragma once

#include <vlutil/vlHashlist.h>
#include <map>

class DtInterfaceContentFactoryEntry;
class DtReaderWriterRegistry;
class DtSimInterfaceContent;

typedef DtSimInterfaceContent* (*DtInterfaceContentCreatorFcn)();

//
// class DtInterfaceContentFactory:
//
// DtInterfaceContentFactory is a hashlist of DtInterfaceContentFactoryEntry, 
// indexed by the integer type that represents the type of interface content
// to create.
// 

#include <vrfExtProtocol/vrfExtProtocolDefines.h>
class DT_DLL_vrfExtProtocol DtInterfaceContentFactory
{
public:
   // constructor
   DtInterfaceContentFactory();

   // copy constructor
   DtInterfaceContentFactory(const DtInterfaceContentFactory& orig);

   // assignment operator
   const DtInterfaceContentFactory& operator=(
      const DtInterfaceContentFactory& orig);

   // Destructor: deletes factory and any entries on the factory.
   virtual ~DtInterfaceContentFactory();

   // Add a creator function to the factory.
   virtual void addCreatorFcn(const int type, 
      DtInterfaceContentCreatorFcn fcn);

   virtual DtSimInterfaceContent* createInterfaceContent(const int type);

   static DtInterfaceContentFactory* create();

public:
   virtual void addDefaultMessageFilters();

public:
   virtual void addMessageWarningFilter(int);
   
   virtual void removeMessageWarningFilter(int);

   virtual void setAlwaysWarnOnlyOnce(bool);
   bool alwaysWarnOnlyOnce() const;

protected:
   virtual void generateWarningFor(int type);;

protected:

   DtHashlist myHashlist;
   std::map<int, bool> myMessageWarningFilters;
   bool myAlwaysWarnOnlyOnce;
};