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//   
//   This application incorporates Open Design Alliance software pursuant to a license 
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//   Open Design Alliance Copyright (C) 2002-2025 by Open Design Alliance. 
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///////////////////////////////////////////////////////////////////////////////

#ifndef _STEP_I_EXTERNAL_DB_MODULE_H_
#define _STEP_I_EXTERNAL_DB_MODULE_H_

#include "OdaCommon.h"
#include "RxDynamicModule.h"

#include "StepBuildOptions.h"

#include "StepCompound.h"
#include "StepHostAppServices.h"

/** \details
The interface class for external database module.
*/
class STEPCORE_EXPORT OdStepIExternalDBModule : public OdRxModule
{
public:

  /** \details
  Sets the application services object for loading external files.
  \param pServices [in] A raw pointer to the application services object.
  */
  virtual void setHostAppServices(OdStepHostAppServices* pServices) = 0;

  /** \details
  Loads external database file.
  \param name [in] The database file name.
  \param name [in] The database file version.
  \returns An unique id of database.
  */
  virtual int loadDatabase(const OdAnsiString& name, const OdAnsiString& version = OdAnsiString()) = 0;
  
  /** \details
  Retrieves the object from database.
  \param objectName [in] The object name in database.
  \param name [in] The database id.
  \param isKindOf [in] The type of database object.
  \returns An object from database.
  */
  virtual OdRxObjectPtr getDatabaseObject(const OdAnsiString& objectName, int databaseId, const OdAnsiString& isKindOf = OdAnsiString()) = 0;
  
  /** \details
  Unload database from module.
  \param databaseId [in] The database id.
  \returns True if unloading is successful, otherwise false.
  */
  virtual bool unloadDatabase(int databaseId) = 0;
};
/** \details
A data type that represents a smart pointer to an <link OdStepIExternalDBModule, OdStepIExternalDBModule> object.
*/
typedef OdSmartPtr<OdStepIExternalDBModule> OdStepIExternalDBModulePtr;

#endif //_STEP_I_EXTERNAL_DB_MODULE_H_