OW_WQLImpl.hpp

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#ifndef OW_WQLIMPL_HPP_
#define OW_WQLIMPL_HPP_
#include "OW_config.h"
#include "OW_WQLIFC.hpp"
#include "OW_Mutex.hpp"
#include <cstdio>

// The classes and functions defined in this file are not meant for general
// use, they are internal implementation details.  They may change at any time.

namespace OW_NAMESPACE
{

class stmt;
class OW_WQL_API WQLImpl : public WQLIFC
{
public:
   virtual ~WQLImpl();
   
   String getName() const;
   virtual void init(const ServiceEnvironmentIFCRef& env);
   virtual void shutdown();

   virtual void evaluate(const String& nameSpace,
      CIMInstanceResultHandlerIFC& result,
      const String& query, const String& queryLanguage,
      const CIMOMHandleIFCRef& hdl);
   virtual WQLSelectStatement createSelectStatement(const String& query);
   virtual bool supportsQueryLanguage(const String& lang);

   static stmt* setStatement(stmt* statement)
   {
      s_statement = statement;
      return statement;
   }

   static const char* getParserInput()
   {
      return s_parserInput;
   }
private:
   static Mutex s_classLock;
   static const char* s_parserInput;
   static stmt* s_statement;
};
      
} // end namespace OW_NAMESPACE

extern int owwqldebug;
extern "C" int owwqlparse();
extern FILE* owwqlin;
extern void WQLscanner_init();


#endif

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