DbObjectContextCollection.h

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// Copyright (C) 2002-2017, Open Design Alliance (the "Alliance"). 
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//   
//   This application incorporates Teigha(R) software pursuant to a license 
//   agreement with Open Design Alliance.
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#ifndef _ODDB_OBJECTCONTEXTCOLLECTION_H_INCLUDED_
#define _ODDB_OBJECTCONTEXTCOLLECTION_H_INCLUDED_
 
#include "DbObjectContext.h"
#include "TD_PackPush.h"
 
class OdDbObjectContextCollectionIterator;
typedef OdSmartPtr<OdDbObjectContextCollectionIterator> OdDbObjectContextCollectionIteratorPtr;
 
class TOOLKIT_EXPORT ODRX_ABSTRACT OdDbObjectContextCollection : public OdRxObject
{
public:
  ODRX_DECLARE_MEMBERS(OdDbObjectContextCollection);
 
    virtual OdString name() const = 0;
 
  virtual OdDbObjectContextPtr currentContext(
    const OdDbObject* pRequestingObject) const = 0;
 
   virtual OdResult setCurrentContext(
    const OdDbObjectContext* pContext) = 0;
 
  virtual OdResult addContext(
    const OdDbObjectContext* pContext) = 0;
 
  virtual OdResult removeContext(
    const OdString& contextName) = 0;
 
    virtual OdResult lockContext(
    const OdDbObjectContext* pContext) = 0;
 
    virtual OdResult unlockContext() = 0;
 
    virtual bool locked() const = 0;
 
  virtual OdDbObjectContextPtr getContext(
    const OdString& contextName) const = 0;
 
  virtual bool hasContext(
    const OdString& contextName) const = 0;
 
  virtual OdDbObjectContextCollectionIteratorPtr newIterator() const = 0;
};
 
 
// class OdDbObjectContextCollectionIterator
 
class TOOLKIT_EXPORT ODRX_ABSTRACT OdDbObjectContextCollectionIterator : public OdRxObject
{
public:
  ODRX_DECLARE_MEMBERS(OdDbObjectContextCollectionIterator);
 
  virtual OdResult start() = 0;
 
  virtual bool next() = 0;
 
  virtual bool done() const = 0;
 
  virtual OdDbObjectContextPtr getContext() const = 0;
};
 
#include "TD_PackPop.h"
 
#endif // _ODDB_OBJECTCONTEXTCOLLECTION_H_INCLUDED_