cqlfunctionrep.h

Pegasus is an open-source implementationof the DMTF CIM and WBEM standards. It is designed to be por

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// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation, The Open Group.
// Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
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// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
// EMC Corporation; VERITAS Software Corporation; The Open Group.
// Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
// EMC Corporation; Symantec Corporation; The Open Group.
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//==============================================================================
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// Authors: David Rosckes ([e-mail])
//          Bert Rivero ([e-mail])
//          Chuck Carmack ([e-mail])
//          Brian Lucier ([e-mail])
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// Modified By: Vijay Eli, IBM ([e-mail]) bug#3590
//
//%/////////////////////////////////////////////////////////////////////////////

#ifndef Pegasus_CQLFactor_h
#define Pegasus_CQLFactor_h

#include <Pegasus/Common/Config.h>
#include <Pegasus/CQL/Linkage.h>
#include <Pegasus/CQL/CQLPredicate.h>
#include <Pegasus/CQL/CQLFunction.h>


PEGASUS_NAMESPACE_BEGIN

// Forward declares
class CIMNamespaceName;
class CQLFactory;

class CQLFunctionRep
{
  public:


    CQLFunctionRep();

    CQLFunctionRep(const CQLFunctionRep* rep);

    CQLFunctionRep(CQLIdentifier inOpType, Array<CQLPredicate> inParms);

    ~CQLFunctionRep();

    /** 
     The getValue method validates the parms versus FunctionOpType.
     (A) resolves prarameter  types
     (B) number of parms
     and then actually executes the function.
     Returns a CQLValue object that has already been resolved.
     */
    CQLValue resolveValue(const CIMInstance& CI, const QueryContext& queryCtx);

    Array<CQLPredicate> getParms() const;

   FunctionOpType getFunctionType() const;

   String toString()const;

   void applyContext(const QueryContext& inContext);

  // Boolean operator==(const CQLFunctionRep& func)const;

//   Boolean operator!=(const CQLFunctionRep& func)const;

   friend class CQLFactory;

 private:
   CQLValue dateTimeToMicrosecond(const CIMInstance& CI, const QueryContext& queryCtx) const;
   CQLValue stringToUint(const CIMInstance& CI, const QueryContext& queryCtx) const;
   CQLValue stringToSint(const CIMInstance& CI, const QueryContext& queryCtx) const;
   CQLValue stringToReal(const CIMInstance& CI, const QueryContext& queryCtx) const;
   CQLValue stringToNumeric(const CIMInstance& CI, const QueryContext& queryCtx) const;
   CQLValue upperCase(const CIMInstance& CI, const QueryContext& queryCtx) const;
   CQLValue numericToString(const CIMInstance& CI, const QueryContext& queryCtx) const;
   CQLValue referenceToString(const CIMInstance& CI, const QueryContext& queryCtx) const;
   CQLValue className(const CIMInstance& CI, const QueryContext& queryCtx) const;
   CQLValue nameSpaceName(const CIMInstance& CI, const QueryContext& queryCtx) const;
   CQLValue nameSpaceType(const CIMInstance& CI, const QueryContext& queryCtx) const;
   CQLValue hostPort(const CIMInstance& CI, const QueryContext& queryCtx) const;
   CQLValue modelPath(const CIMInstance& CI, const QueryContext& queryCtx) const;
   CQLValue classPath(const CIMInstance& CI, const QueryContext& queryCtx) const;
   CQLValue objectPath(const CIMInstance& CI, const QueryContext& queryCtx) const;
   CQLValue instanceToReference(const CIMInstance& CI, const QueryContext& queryCtx) const;
   CQLValue currentDateTime() const;
   CQLValue dateTime(const CIMInstance& CI, const QueryContext& queryCtx) const;
   CQLValue microsecondToTimestamp(const CIMInstance& CI, const QueryContext& queryCtx) const;
   CQLValue microsecondToInterval(const CIMInstance& CI, const QueryContext& queryCtx) const;

   // Used by the path functions
   CQLValue buildModelPath(const CIMObjectPath& objPath) const;
   CQLValue buildClassPath(const CIMObjectPath& objPath, const CIMNamespaceName& ns) const;
   CQLValue buildObjectPath(const CIMObjectPath& objPath, const CIMNamespaceName& ns) const;

   // Utility methods to convert enums into strings
   String functionTypeToString() const;
      
   // Member data
   FunctionOpType _funcOpType;
   Array<CQLPredicate> _parms;

};

PEGASUS_NAMESPACE_END

#endif