daiInstanceIterator.h

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// Copyright (C) 2002-2019, Open Design Alliance (the "Alliance"). 
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// programs incorporating this software must include the following statement 
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//   
//   This application incorporates Open Design Alliance software pursuant to a license 
//   agreement with Open Design Alliance.
//   Open Design Alliance Copyright (C) 2002-2019 by Open Design Alliance. 
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#ifndef _DAI_INSTANCEITERATOR_H_
#define _DAI_INSTANCEITERATOR_H_
 
#include "daiObjectId.h"
 
namespace OdDAI {
 
  class DAI_EXPORT InstanceIterator
  {
  public:
 
    virtual ~InstanceIterator() {};
 
    virtual bool done() const = 0;
 
    virtual void step() = 0;
 
    virtual OdDAIObjectId id() const = 0;
  };
  
  typedef OdSharedPtr<InstanceIterator> InstanceIteratorPtr;
 
}
 
#endif // _DAI_INSTANCEITERATOR_H_