OW_GenericHDBRepository.hpp

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#ifndef OW_GENERICHDBREPOSITORY_HPP_INCLUDE_GUARD_
#define OW_GENERICHDBREPOSITORY_HPP_INCLUDE_GUARD_
#include "OW_config.h"
#include "OW_Types.hpp"
#include "OW_HDB.hpp"
#include "OW_Array.hpp"
#include "OW_MutexLock.hpp"
#include "OW_CIMBase.hpp"
#include "OW_ServiceEnvironmentIFC.hpp"
#include "OW_Logger.hpp"

namespace OW_NAMESPACE
{

class HDBHandleLock;
class OW_HDB_API GenericHDBRepository
{
public:
   GenericHDBRepository();
   virtual ~GenericHDBRepository();
   virtual void init(const ServiceEnvironmentIFCRef& env);
   virtual void open(const String& path);
   virtual void close();
#if !defined(OW_DISABLE_INSTANCE_MANIPULATION) && !defined(OW_DISABLE_NAMESPACE_MANIPULATION)

   virtual int createNameSpace(const String& ns);
   void deleteNameSpace(const String& key);
#endif

   bool nameSpaceExists(const String& key);
   bool isOpen() { return m_opened; }
   void nodeToCIMObject(CIMBase& cimObj, const HDBNode& node);
   void getCIMObject(CIMBase& cimObj, const String& key,
      HDBHandle hdl);
   void updateCIMObject(const CIMBase& cimObj, HDBNode& node,
      HDBHandle hdl);
   void addCIMObject(const CIMBase& cimObj, const String& key,
      HDBNode& parentNode, HDBHandle hdl, UInt32 nodeFlags=0);
   void addCIMObject(const CIMBase& cimObj, const String& key,
      HDBHandle hdl, UInt32 nodeFlags=0);
   HDBHandle getHandle();
   void freeHandle(HDBHandle& hdl);
   HDBNode getNameSpaceNode(HDBHandleLock& hdl, String key);

   static const String COMPONENT_NAME;

protected:
   void throwIfNotOpen()
   {
      if (!isOpen())
         OW_THROW(HDBException, "Database is not open");
   }

#ifdef OW_WIN32
#pragma warning (push)
#pragma warning (disable: 4251)
#endif

   HDB m_hdb;
   bool m_opened;
   Mutex m_guard;
   Array<HDBHandle> m_handles;
   ServiceEnvironmentIFCRef m_env;
   enum { MAXHANDLES = 10 };
   friend class HDBHandleLock;

#ifdef OW_WIN32
#pragma warning (pop)
#endif

};
class OW_HDB_API HDBHandleLock
{
public:
   HDBHandleLock(GenericHDBRepository* pr, const HDBHandle& hdl) :
      m_pr(pr), m_hdl(hdl) {}
   ~HDBHandleLock()
   {
      try
      {
         if (m_pr) m_pr->freeHandle(m_hdl);
      }
      catch (...)
      {
         // don't let exceptions escape
      }
   }
   HDBHandle* operator->() { return &m_hdl; }
   HDBHandle& operator*() { return m_hdl; }
   HDBHandle getHandle() { return m_hdl; }
private:
   GenericHDBRepository* m_pr;
   HDBHandle m_hdl;
};
static const UInt32 HDBNSNODE_FLAG = 0x40000000;
static const UInt32 HDBCLSNODE_FLAG = 0x20000000;
static const UInt32 HDBCLSASSOCNODE_FLAG = 0x08000000;

} // end namespace OW_NAMESPACE

#endif

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