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BUG#: 6456
TITLE: Incorrect handling of null values in CQL comparisons

DESCRIPTION: committing approved fix

//%2006////////////////////////////////////////////////////////////////////////
//
// 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.;
// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
// 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.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//==============================================================================
//
//%/////////////////////////////////////////////////////////////////////////////
#include <Pegasus/CQL/CQLValue.h>
#include <Pegasus/CQL/CQLValueRep.h>
#include <Pegasus/Repository/NameSpaceManager.h>
#include <Pegasus/Common/CIMClass.h>
#include <Pegasus/Common/Tracer.h>
#include <Pegasus/CQL/CQLIdentifier.h>
#include <Pegasus/CQL/CQLRegularExpression.h>
#include <Pegasus/CQL/CQLFactory.h>
#include <Pegasus/Query/QueryCommon/QueryException.h>
#include <Pegasus/CQL/CQLUtilities.h>


PEGASUS_NAMESPACE_BEGIN
PEGASUS_USING_STD;

/*
#define PEGASUS_ARRAY_T CQLValueRep
#include <Pegasus/Common/ArrayImpl.h>
#undef PEGASUS_ARRAY_T
*/

#define PEGASUS_SINT64_MIN (PEGASUS_SINT64_LITERAL(0x8000000000000000))
#define PEGASUS_UINT64_MAX PEGASUS_UINT64_LITERAL(0xFFFFFFFFFFFFFFFF)


CQLValueRep::CQLValueRep()
  :_theValue(),_CQLChainId(),_isResolved(false),_valueType(CQLValue::Null_type)
{
}

CQLValueRep::~CQLValueRep()
{

}


CQLValueRep::CQLValueRep(const CQLValueRep& val):
 _theValue(val._theValue),
 _CQLChainId(val._CQLChainId),
 _isResolved(val._isResolved),
 _valueType(val._valueType),
 _ArrayType(val._ArrayType)
{
  
}

CQLValueRep::CQLValueRep(const CQLValueRep* val):
 _theValue(val->_theValue),
 _CQLChainId(val->_CQLChainId),
 _isResolved(val->_isResolved),
 _valueType(val->_valueType),
 _ArrayType(val->_ArrayType)
{
}

CQLValueRep::CQLValueRep(const String& inString, 
                         CQLValue::NumericType inValueType, Boolean inSign)
{
   PEG_METHOD_ENTER(TRC_CQL, "CQLValueRep::CQLValueRep()");

   switch(inValueType)
   {
   case CQLValue::Hex:
     {
       String tmp(inString);
       if(inSign)
     {
       _theValue.set(CQLUtilities::stringToUint64(tmp));
       _valueType = CQLValue::Uint64_type;
     }
       else
     {
       _theValue.set(CQLUtilities::stringToSint64(inString));
       _valueType = CQLValue::Sint64_type;
     }
     }
     break;
   case CQLValue::Binary:
     {
       String tmp(inString);;
       if(inSign)
     {
       _theValue.set(CQLUtilities::stringToUint64(tmp));
       _valueType = CQLValue::Uint64_type;
     }
       else
     {
       _theValue.set(CQLUtilities::stringToSint64(tmp));
       _valueType = CQLValue::Sint64_type;
     }
       break;
     }
   case CQLValue::Decimal:
     {
       String tmp(inString);
       if(inSign)
     {
       _theValue.set(CQLUtilities::stringToUint64(tmp));
       _valueType = CQLValue::Uint64_type;
     }
       else
     {
       _theValue.set(CQLUtilities::stringToSint64(tmp));
       _valueType = CQLValue::Sint64_type;
     }
     }
     break;
   case CQLValue::Real:
     {
       String tmp(inString);

       _theValue.set(CQLUtilities::stringToReal64(tmp));
       _valueType = CQLValue::Real_type;
     }
     break;
   default:
     MessageLoaderParms mload(String("CQL.CQLValueRep.CONSTRUCTOR_FAILURE"),
                  String("Undefined case:$0 in constructor."),
                  inValueType);
     throw CQLRuntimeException(mload);
     
     break;
   }
   
   _isResolved = true;
   
   PEG_METHOD_EXIT();
}


CQLValueRep::CQLValueRep(const CQLChainedIdentifier& inCQLIdent)
  : _CQLChainId(inCQLIdent), 
    _isResolved(false),
    _valueType(CQLValue::CQLIdentifier_type)
{
   
}


CQLValueRep::CQLValueRep(const String& inString)
  : _isResolved(true), 
    _valueType(CQLValue::String_type)
{
   _theValue.set(inString);
}

CQLValueRep::CQLValueRep(const CIMInstance& inInstance)
  : _isResolved(true),
    _valueType(CQLValue::CIMObject_type)
{
  _theValue.set((CIMObject)inInstance);
}

CQLValueRep::CQLValueRep(const CIMClass& inClass)
  : _isResolved(true),
    _valueType(CQLValue::CIMObject_type)
{
  _theValue.set((CIMObject)inClass);
}

CQLValueRep::CQLValueRep(const CIMObject& inObject)
  : _isResolved(true),
    _valueType(CQLValue::CIMObject_type)
{
  _theValue.set((CIMObject)inObject);
}

CQLValueRep::CQLValueRep(const CIMObjectPath& inObjPath)
  : _isResolved(true),
    _valueType(CQLValue::CIMReference_type)
{
   _theValue.set(inObjPath);
}

CQLValueRep::CQLValueRep(const CIMDateTime& inDateTime)
  : _isResolved(true),
    _valueType(CQLValue::CIMDateTime_type)
{
   _theValue.set(inDateTime);
}

CQLValueRep::CQLValueRep(Uint64 inUint)
  : _isResolved(true),
    _valueType(CQLValue::Uint64_type)
{
   _theValue.set(inUint);
}

CQLValueRep::CQLValueRep(Boolean inBool)
  : _isResolved(true),
    _valueType(CQLValue::Boolean_type)
{
   _theValue.set(inBool);
}

CQLValueRep::CQLValueRep(Sint64 inSint)
  : _isResolved(true),
    _valueType(CQLValue::Sint64_type)
{
   _theValue.set(inSint);
}

CQLValueRep::CQLValueRep(Real64 inReal)
  : _isResolved(true),
    _valueType(CQLValue::Real_type)
{
   _theValue.set(inReal);
}

CQLValueRep::CQLValueRep(const CIMValue& inVal)
  : _isResolved(true)
{
  // _valueType is set by _setValue
  _setValue(inVal);
}

void CQLValueRep::resolve(const CIMInstance& CI, 
                          const  QueryContext& inQueryCtx)
{ 
  if(_CQLChainId.size() == 0)
    {
      return;
    }
  

  Array<CQLIdentifier> Idstrings = 
    _CQLChainId.getSubIdentifiers(); // Array of Identifiers to process
  Uint32 IdSize = Idstrings.size();
  Uint32 index = 0;                // Counter for looping through Identifiers
  CIMProperty propObj;  
  
  if(IdSize == 1)
    {
      // A class was passed in with no property indicated.
      // Set the instance passed in, as a primitive.
       _theValue.set((CIMObject)CI);
      _valueType = CQLValue::CIMObject_type;
      _isResolved = true;
      return; // Done.
    }
  else
    {
      // Symbolic Constant processing
      if(_CQLChainId.getLastIdentifier().isSymbolicConstant() &&
     IdSize == 2)
    {
      _resolveSymbolicConstant(inQueryCtx);
      return;
    }
      
      // Need to increment index since the first Identifier is a class,
      // and additional identifiers need processing.
      ++index;
     }
  
  CIMName classContext = Idstrings[0].getName();
  CIMObject objectContext = CI;
   
  for(;index < IdSize; ++index)
    {
      // Now we need to verify that the property is in the class.
      Uint32 propertyIndex = objectContext.findProperty(
              Idstrings[index].getName());
      
      if(propertyIndex == PEG_NOT_FOUND)
    {
      _valueType = CQLValue::Null_type;
      _isResolved = true;
      return;
    }
      
      // We will check the property type to determine what processing 
      // needs to be done.
      propObj = objectContext.getProperty(propertyIndex);

      try
    {
      if((Idstrings[index].isScoped() && 
        inQueryCtx.getClassRelation(Idstrings[index].getScope(),
            objectContext.getClassName())
            == QueryContext::NOTRELATED) || 
         (Idstrings[index].isScoped() && inQueryCtx.getClassRelation(
            Idstrings[index].getScope(),objectContext.getClassName())
            == QueryContext::SUPERCLASS)) 
        {
          // The chain is not inline with scope.
          _valueType = CQLValue::Null_type;
              _isResolved = true;
          return;
        }
    }
      catch(const CIMException &)
    {
      // The chain is not inline with scope.
      _valueType = CQLValue::Null_type;
          _isResolved = true;
      return;
    }
#ifdef PEGASUS_EMBEDDED_INSTANCE_SUPPORT     
    CIMType propObjType = propObj.getType();   
    if(index == IdSize-1)
    {
        _process_value(propObj,Idstrings[index],inQueryCtx);
        return;
    }
    else if((propObjType != CIMTYPE_OBJECT &&
        propObjType != CIMTYPE_INSTANCE) ||
        (propObj.getValue().isNull()))
    {
        // Object is not embedded.
        _valueType = CQLValue::Null_type;
        _isResolved = true;
        return;
    }
    CIMValue propValue = propObj.getValue();
    // If the property is an embeddedInstance, convert to an object
    if(propObjType == CIMTYPE_INSTANCE)
    {
        CIMInstance tmpInst;
        propValue.get(tmpInst);
        propValue = CIMValue((CIMObject)tmpInst);
    }
    propValue.get(objectContext);
#else
    if(index == IdSize-1)
    {
        _process_value(propObj,Idstrings[index],inQueryCtx);
        return;
    }
    else if((propObj.getType() != CIMTYPE_OBJECT) ||
        (propObj.getValue().isNull()))
    {
        // Object is not embedded.
        _valueType = CQLValue::Null_type;
        _isResolved = true;
        return;
    }
    propObj.getValue().get(objectContext);
#endif // PEGASUS_EMBEDDED_INSTANCE_SUPPORT
        if(!objectContext.isInstance())
        {
            MessageLoaderParms mparms(
                "CQL.CQLValueRep.OBJECT_CONTEXT_NOT_INSTANCE",
                "The object context $0 is not an instance.",
                objectContext.getClassName().getString());
            throw CQLRuntimeException(mparms);
        }
      classContext = objectContext.getClassName();
    }  
} // end of function

void CQLValueRep::_process_value(CIMProperty& propObj,
                 CQLIdentifier& _id,
                 const QueryContext& inQueryCtx)
{
  if(propObj.getType() == CIMTYPE_OBJECT) 
    {
      CIMObject cimObj;
      propObj.getValue().get(cimObj);

      _theValue.set(cimObj.clone());
      _valueType = CQLValue::CIMObject_type;
      _isResolved = true;
    }
#ifdef PEGASUS_EMBEDDED_INSTANCE_SUPPORT
  else if(propObj.getType() == CIMTYPE_INSTANCE) 
  {
      CIMInstance cimInstance;
      propObj.getValue().get(cimInstance);

      _theValue.set((CIMObject)cimInstance.clone());
      _valueType = CQLValue::CIMObject_type;
      _isResolved = true;
  }
#endif // PEGASUS_EMBEDDED_INSTANCE_SUPPORT
  else // Primitive
    {
      if(_id.isArray())
    {
      // We have an array property.  All we need to do
      // Is get the index defined by CQLIdentifier.
      // NOTE: Basic CQL support only allows one index.
      _setValue(propObj.getValue(),
            _id.getSubRanges()[0].start);
      return;
    }
      else if(_id.isSymbolicConstant())
    {
      // Symbolic Constant processing
      _resolveSymbolicConstant(inQueryCtx);
      return;
    }
      else
    {
      // The property has no special charactors.
      if(propObj.isArray())
        {
          Uint32 qualIndex = propObj.findQualifier(
                  CIMName(String("ArrayType")));
          if(qualIndex == PEG_NOT_FOUND)
        {
          // Default Array type
          _ArrayType = String("Indexed");
        }
          else
        {
          propObj.getQualifier(qualIndex).getValue().get(_ArrayType);
        }
        }
      _setValue(propObj.getValue());
      return;
    }
    }
}

CQLValueRep& CQLValueRep::operator=(const CQLValueRep& rhs)
{

  if(&rhs != this)
    {
      _valueType = rhs._valueType;
      _theValue = rhs._theValue;
      _CQLChainId = rhs._CQLChainId;
      _isResolved = rhs._isResolved;
      _ArrayType = rhs._ArrayType;
    }
  return *this;
}
Boolean CQLValueRep::operator==(const CQLValueRep& x)
{
  PEG_METHOD_ENTER(TRC_CQL, "CQLValueRep::operator==");
  
  _validate(x);

  if(isNull() && x.isNull())
    {
      return true;
    }
  if(isNull() || x.isNull())
    {
      return false;
    }
  if(_theValue.isArray())
    {
      return _compareArray(x);
    }
  else if((_theValue.getType() == x._theValue.getType()) &&
     (_valueType != CQLValue::CIMObject_type) &&
     (_valueType != CQLValue::CQLIdentifier_type))
    {
      return _theValue == x._theValue;
    }
  else
    {
      Uint64 tmpU64;
      Sint64 tmpS64;
      Real64 tmpR64;
      
      switch(_valueType)
    {
    case CQLValue::Null_type:
      {
        if(x._valueType == CQLValue::Null_type)
          {
        return true;
          }
      }
      break;
      
    case CQLValue::Sint64_type:
      {
        _theValue.get(tmpS64);
        if(x._valueType == CQLValue::Uint64_type)
          {
        x._theValue.get(tmpU64);
        
        if(tmpU64 >= (Uint64)PEGASUS_SINT64_MIN)
          {
            return false;
          }
        else
          {
            return (Sint64)tmpU64 == tmpS64;
          }
          }
        else 
          {
        x._theValue.get(tmpR64);
        
        return tmpR64 == tmpS64;
          }
        break;
      }
    case CQLValue::Uint64_type:
      {
        _theValue.get(tmpU64);
        if(x._valueType == CQLValue::Sint64_type)
          {
        x._theValue.get(tmpS64);
        
        if(tmpU64 >= (Uint64)PEGASUS_SINT64_MIN)
          {
            return false;
          }
        else
          {
            return (Sint64)tmpU64 == tmpS64;
          }
          }
        else 
          {
        x._theValue.get(tmpR64);
        if(tmpU64 >= (Uint64)PEGASUS_SINT64_MIN)
          {
            return false;
          }
        else
          {
            return tmpR64 == (Sint64)tmpU64;
          }
          }
        break;
      }
    case CQLValue::Real_type:
      {
        _theValue.get(tmpR64);
        if(x._valueType == CQLValue::Uint64_type)
          {
        x._theValue.get(tmpU64);
        
        if(tmpU64 >= (Uint64)PEGASUS_SINT64_MIN)
          {
            return false;
          }
        else
          {
            return (Sint64)tmpU64 == tmpR64;
          }
          }
        else 
          {
        x._theValue.get(tmpS64);
        
        return tmpR64 == tmpS64;
          }
        break;
      }
    case CQLValue::CIMObject_type: 
      { 
        CIMObject objBase;
        CIMObject objParm;
        _theValue.get(objBase);
        x._theValue.get(objParm);
       
        return _compareObjects(objBase,objParm);
       
      }
      break;
      
    default:
    MessageLoaderParms mload(String("CQL.CQLValueRep.CONSTRUCTOR_FAILURE"),
                 String("Undefined case:$0 in constructor."),
                 _valueType);
    throw CQLRuntimeException(mload);
      break;
    }
      return false;
    }
}
  
Boolean CQLValueRep::operator!=(const CQLValueRep& x)
{
  return !(this->operator==(x));
}


Boolean CQLValueRep::operator<=(const CQLValueRep& x)
{   
  if (this->operator<(x) || this->operator==(x))
    {
      return true;
    }
  
  return false;
}


Boolean CQLValueRep::operator>=(const CQLValueRep& x)
{
   return !(this->operator<(x));  
}


Boolean CQLValueRep::operator<(const CQLValueRep& x)
{
  PEG_METHOD_ENTER(TRC_CQL, "CQLValueRep::operator<");

  Uint64 tmpU64;
  Sint64 tmpS64;
  Real64 tmpR64;

  _validate(x);

  if(_theValue.isNull() && x._theValue.isNull())
    {
      return true;
    }
  if(_theValue.isNull() || x._theValue.isNull())
    {
      return false;
    }
  if(_theValue.isArray() || x._theValue.isArray())
    {
      return false;
    }
  
  switch(_valueType)
    {
    case CQLValue::Null_type:
      {
    return false;
      }
      break;
      
    case CQLValue::Sint64_type:
      {
    _theValue.get(tmpS64);
    if(x._valueType == CQLValue::Sint64_type)
      {
        Sint64 right;
        x._theValue.get(right);
        
        return tmpS64 < right;
      }
    else if(x._valueType == CQLValue::Uint64_type)
      {
        x._theValue.get(tmpU64);
        
        if(tmpU64 > (Uint64)PEGASUS_SINT64_MIN)
          {
        return true;
          }
        else
          {
        return tmpS64 < (Sint64)tmpU64;
          }
      }
    else 
      {
        x._theValue.get(tmpR64);
        
        return tmpS64 < tmpR64;
      }
    break;
      }
    case CQLValue::Uint64_type:
      {
    _theValue.get(tmpU64);
    if(x._valueType == CQLValue::Uint64_type)
      {
        Uint64 right;
        x._theValue.get(right);
        
        return tmpU64 < right;
      }
    else if(x._valueType == CQLValue::Sint64_type)
      {
        x._theValue.get(tmpS64);
        
        if(tmpU64 > (Uint64)PEGASUS_SINT64_MIN)
          {
        return false;
          }
        else
          {
        return (Sint64)tmpU64 < tmpS64;
          }
      }
    else 
      {
        x._theValue.get(tmpR64);
        if(tmpU64 > (Uint64)PEGASUS_SINT64_MIN)
          {
        return false;
          }
       else
         {
           return (Sint64)tmpU64 < tmpR64;
         }
      }
    break;
      }
    case CQLValue::Real_type:
      {
    _theValue.get(tmpR64);
    if(x._valueType == CQLValue::Real_type)
      {
        Real64 right;
        x._theValue.get(right);
       
        return tmpR64 < right;
      }
    else if(x._valueType == CQLValue::Uint64_type)
      {
        x._theValue.get(tmpU64);
        
        if(tmpU64 > (Uint64)PEGASUS_SINT64_MIN)
          {
        return true;
          }
        else
          {
        return tmpR64 < (Sint64)tmpU64;
          }
      }
    else 
      {
        x._theValue.get(tmpS64);
        
        return tmpR64 < tmpS64;
      }
    break;
      }
    case CQLValue::String_type:
      {
    String tmpS1;
    String tmpS2;
    _theValue.get(tmpS1);
    x._theValue.get(tmpS2);
    return tmpS1 < tmpS2;
      }
      break;
    case CQLValue::CIMDateTime_type:  
      {
    CIMDateTime tmpS1;
    CIMDateTime tmpS2;
    _theValue.get(tmpS1);
    x._theValue.get(tmpS2);
    return tmpS1 < tmpS2;
      }
      break;

    default:
    MessageLoaderParms mload(String("CQL.CQLValueRep.CONSTRUCTOR_FAILURE"),
                 String("Undefined case:$0 in constructor."));
    throw CQLRuntimeException(mload);
      break;
    }
  PEG_METHOD_EXIT();
  return false;
}


Boolean CQLValueRep::operator>(const CQLValueRep& x)
{
   _validate(x);
  
   if (this->operator<(x) || this->operator==(x))
     {
       return false;
     }  
   return true;
}


CQLValueRep CQLValueRep::operator+(const CQLValueRep x)
{
  PEG_METHOD_ENTER(TRC_CQL,"CQLValueRep::operator+");
   _validate(x); 

   switch(_valueType)
     {
     case CQLValue::String_type:
       {
     String tmpS1;
     String tmpS2;
     _theValue.get(tmpS1);
     x._theValue.get(tmpS2);
     return CQLValueRep(tmpS1 + tmpS2);
       }
       break;
       
     default:
       MessageLoaderParms mload(String("CQL.CQLValueRep.CONSTRUCTOR_FAILURE"),
           String("Undefined case:$0 in constructor."),
           _valueType);
       throw CQLRuntimeException(mload);
       break;
     }

   PEG_METHOD_EXIT();
   return x;
}

CQLValue::CQLValueType CQLValueRep::getValueType()
{
    return _valueType;
}

CQLValue::CQLValueType CQLValueRep::_getCQLType(const CIMType &type)
{
    switch (type)
    {
        case CIMTYPE_BOOLEAN:
            return CQLValue::Boolean_type;

        case CIMTYPE_UINT8:
        case CIMTYPE_UINT16:
        case CIMTYPE_UINT32:
        case CIMTYPE_UINT64:
            return CQLValue::Uint64_type;

        case CIMTYPE_SINT8:
        case CIMTYPE_SINT16:
        case CIMTYPE_SINT32:
        case CIMTYPE_SINT64:
            return CQLValue::Sint64_type;

        case CIMTYPE_REAL32:
        case CIMTYPE_REAL64:
            return CQLValue::Real_type;

        case CIMTYPE_CHAR16:
        case CIMTYPE_STRING:
            return CQLValue::String_type;

        case CIMTYPE_DATETIME:
           return CQLValue::CIMDateTime_type;

        case CIMTYPE_REFERENCE:
            return CQLValue::CIMReference_type;

        case CIMTYPE_OBJECT:
#ifdef PEGASUS_EMBEDDED_INSTANCE_SUPPORT
        case CIMTYPE_INSTANCE:
#endif
            return CQLValue::CIMObject_type;
        default:
            return CQLValue::Null_type;
    }
}

Boolean CQLValueRep::isResolved()
{
   return _isResolved;
}


Boolean CQLValueRep::isNull() const
{
   if(_valueType == CQLValue::Null_type || _theValue.isNull())
   {
      return true;
   }
   return false;
}


Boolean CQLValueRep::isa(const CQLChainedIdentifier& inID,
                         QueryContext& QueryCtx)
{ 
  PEG_METHOD_ENTER(TRC_CQL,"CQLValueRep::isa()");
  if(!_isResolved || 
     (_valueType != CQLValue::CIMObject_type))
    {
      MessageLoaderParms mload(String("CQL.CQLValueRep.ISA_TYPE_MISMATCH"),
        String("The type: $0 is not an object, or the object is not resolved"),
        _valueType);
      throw CQLRuntimeException(mload);
    }
  
  CIMName className;
  CIMName isaName;
  CIMObject obj;
  
  _theValue.get(obj);
  
  className = obj.getClassName();
  isaName = inID[0].getName();
  
  // Short circuit if the Object name and the isa name are the same.
  // This will prevent an unneeded repository call.
  if(className == isaName)
    {
      return true;
    }
  Array<CIMName> cimNames = QueryCtx.enumerateClassNames(isaName);
  cimNames.append(isaName);

  for(Uint32 i = 0; i < cimNames.size() ; ++i)
    {
      
      if(cimNames[i] == className)
    {
      PEG_METHOD_EXIT();
      return true;
    }
    }
  PEG_METHOD_EXIT();
  return false;
}


Boolean CQLValueRep::like(const CQLValueRep& inVal)
{
  PEG_METHOD_ENTER(TRC_CQL,"CQLValueRep::like()");
   if( _valueType != CQLValue::String_type ||
      inVal._valueType != CQLValue::String_type)
   {
       MessageLoaderParms mload(String("CQL.CQLValueRep.LIKE_TYPE_MISMATCH"),
            String("The following types may not be strings:$0,$1."),
            _valueType,inVal._valueType);
       throw CQLRuntimeException(mload);
   }
   
   String leftside;
   _theValue.get(leftside);

   String rightside;
   inVal._theValue.get(rightside);
   
   CQLRegularExpression re;

   PEG_METHOD_EXIT();
   return re.match(leftside,rightside);

}

CQLChainedIdentifier CQLValueRep::getChainedIdentifier()const
{
   return _CQLChainId;
}

Uint64 CQLValueRep::getUint()const
{
  PEG_METHOD_ENTER(TRC_CQL,"CQLValueRep::getUint()");
   if(_valueType != CQLValue::Uint64_type)
   {
        String str;
         if(_theValue.isArray())
            str = "array";
         else str = valueTypeToString(_valueType);
       MessageLoaderParms mload(String("CQL.CQLValueRep.TYPE_MISMATCH"),
                String("The type: $0 is not correct for $1 operation."),
                str,
                String("getUint"));
       throw CQLRuntimeException(mload);
   }
   Uint64 tmp;
   _theValue.get(tmp);

   PEG_METHOD_EXIT();
   return tmp;
}

Boolean CQLValueRep::getBool()const
{
  PEG_METHOD_ENTER(TRC_CQL,"CQLValueRep::getBool()");
   if(_valueType != CQLValue::Boolean_type)
   {
       String str;
       if(_theValue.isArray())
          str = "array";
       else str = valueTypeToString(_valueType);
       MessageLoaderParms mload(String("CQL.CQLValueRep.TYPE_MISMATCH"),
            String("The type: $0 is not correct for $1 operation."),
            str,
            String("getBool"));
       throw CQLRuntimeException(mload);
   }
   Boolean tmp;
   _theValue.get(tmp);

   PEG_METHOD_EXIT();
   return tmp;
}

Sint64 CQLValueRep::getSint()const
{
  PEG_METHOD_ENTER(TRC_CQL,"CQLValueRep::getSint()");

   if(_valueType != CQLValue::Sint64_type)
   {
       String str;
       if(_theValue.isArray())
          str = "array";
       else str = valueTypeToString(_valueType);
       MessageLoaderParms mload(String("CQL.CQLValueRep.TYPE_MISMATCH"),
            String("The type: $0 is not correct for $1 operation."),
            str,
            String("getSint"));
       throw CQLRuntimeException(mload);
   }
   Sint64 tmp;
   _theValue.get(tmp);

   PEG_METHOD_EXIT();
   return tmp;
}

Real64 CQLValueRep::getReal()const
{
  PEG_METHOD_ENTER(TRC_CQL,"CQLValueRep::getReal()");
   if(_valueType != CQLValue::Real_type)
   {
       String str;
       if(_theValue.isArray())
          str = "array";
       else str = valueTypeToString(_valueType);
       MessageLoaderParms mload(String("CQL.CQLValueRep.TYPE_MISMATCH"),
            String("The type: $0 is not correct for $1 operation."),
            str,
            String("getReal"));
       throw CQLRuntimeException(mload);
   }
   Real64 tmp;
   _theValue.get(tmp);
   PEG_METHOD_EXIT();
   return tmp;
}

String CQLValueRep::getString()const
{
  PEG_METHOD_ENTER(TRC_CQL,"CQLValueRep::getString()");
   if(_valueType != CQLValue::String_type)
   {
       String str;
       if(_theValue.isArray())
          str = "array";
       else str = valueTypeToString(_valueType);
       MessageLoaderParms mload(String("CQL.CQLValueRep.TYPE_MISMATCH"),
            String("The type: $0 is not correct for $1 operation."),
            str,
            String("getString"));
       throw CQLRuntimeException(mload);
   }
   String tmp;
   _theValue.get(tmp);
   PEG_METHOD_EXIT();
   return tmp;
}

CIMDateTime CQLValueRep::getDateTime()const
{
  PEG_METHOD_ENTER(TRC_CQL,"CQLValueRep::getDateTime()");
   if(_valueType != CQLValue::CIMDateTime_type)
   {
       String str;
       if(_theValue.isArray())
          str = "array";
       else str = valueTypeToString(_valueType);
       MessageLoaderParms mload(String("CQL.CQLValueRep.TYPE_MISMATCH"),
            String("The type: $0 is not correct for $1 operation."),
            str,
            String("getDateTime"));
       throw CQLRuntimeException(mload);
   }
   CIMDateTime tmp;
   _theValue.get(tmp);
   PEG_METHOD_EXIT();
   return tmp;
}

CIMObjectPath CQLValueRep::getReference()const
{
  PEG_METHOD_ENTER(TRC_CQL,"CQLValueRep::getReference()");

   if(_valueType != CQLValue::CIMReference_type)
   {
       String str;
       if(_theValue.isArray())
          str = "array";
       else str = valueTypeToString(_valueType);
       MessageLoaderParms mload(String("CQL.CQLValueRep.TYPE_MISMATCH"),
            String("The type: $0 is not correct for $1 operation."),
            str,
            String("getReference"));
       throw CQLRuntimeException(mload);
   }
   CIMObjectPath tmp;
   _theValue.get(tmp);

   PEG_METHOD_EXIT();
   return tmp;
}

CIMObject CQLValueRep::getObject()const
{
  PEG_METHOD_ENTER(TRC_CQL,"CQLValueRep::getObject()");
   if(_valueType != CQLValue::CIMObject_type)
   {
       String str;
       if(_theValue.isArray())
          str = "array";
       else str = valueTypeToString(_valueType);
       MessageLoaderParms mload(String("CQL.CQLValueRep.TYPE_MISMATCH"),
            String("The type: $0 is not correct for $1 operation."),
            str,
            String("getObject"));
       throw CQLRuntimeException(mload);
   }
   CIMObject tmp;
   _theValue.get(tmp);
   PEG_METHOD_EXIT();
   return tmp.clone();
}

String CQLValueRep::toString()const
{
  if(_valueType == CQLValue::CQLIdentifier_type)
    {
      return _CQLChainId.toString();
    }
  else
  {
    String returnStr;
    if (_valueType == CQLValue::String_type)
    {
      returnStr.append("'");
    }

    String temp(_theValue.toString());
    
    // If the string is a real string, then strip padding off the exponent
    if (_valueType == CQLValue::Real_type)
      temp = CQLUtilities::formatRealStringExponent(temp);
    
    returnStr.append(temp);
    
    if (_valueType == CQLValue::String_type)
    {
      returnStr.append("'");
    }
    return returnStr;
  }
}



void CQLValueRep::_validate(const CQLValueRep& x)
{
  PEG_METHOD_ENTER(TRC_CQL,"CQLValueRep::_validate()");
 
  // Check for Null_type
  if (_valueType == CQLValue::Null_type || x._valueType == CQLValue::Null_type)
  {
      PEG_METHOD_EXIT();
      return;
  }
 
  // Do not allow an array value be compared to a non array value.
  if(x._theValue.isArray() != _theValue.isArray())
    {
          MessageLoaderParms mload(String("CQL.CQLValueRep.OP_TYPE_MISMATCH"),
                   String("Validation type mismatch error for type: $0"),
                   String("ARRAY"));
      throw CQLRuntimeException(mload);
    }

  switch(_valueType)
    {
    case CQLValue::Boolean_type:
      if(x._valueType != CQLValue::Boolean_type)
    {
      MessageLoaderParms mload(String("CQL.CQLValueRep.OP_TYPE_MISMATCH"),
                   String("Validation type mismatch error for type: $0"),
                   String("BOOLEAN"));
      throw CQLRuntimeException(mload);
    }
      break;
    case CQLValue::Sint64_type:
    case CQLValue::Uint64_type:
    case CQLValue::Real_type:
      if(x._valueType != CQLValue::Sint64_type &&
     x._valueType != CQLValue::Uint64_type &&
     x._valueType != CQLValue::Real_type)
    {
      MessageLoaderParms mload(String("CQL.CQLValueRep.OP_TYPE_MISMATCH"),
                   String("Validation type mismatch error for type: $0"),
                   String("SINT64, UINT64, REAL64"));
      throw CQLRuntimeException(mload);
    }
      break;
    case CQLValue::String_type:
      if(x._valueType != CQLValue::String_type)
    {
      MessageLoaderParms mload(String("CQL.CQLValueRep.OP_TYPE_MISMATCH"),
                   String("Validation type mismatch error for type: $0"),
                   String("STIRNG"));
      throw CQLRuntimeException(mload);
    }
      break;
    case CQLValue::CIMDateTime_type:
      if(x._valueType != CQLValue::CIMDateTime_type)
    {
      MessageLoaderParms mload(String("CQL.CQLValueRep.OP_TYPE_MISMATCH"),
                   String("Validation type mismatch error for type: $0"),
                   String("CIMDATETIME"));
      throw CQLRuntimeException(mload);
    }
      break;
    case CQLValue::CIMReference_type:
      if(x._valueType != CQLValue::CIMReference_type)
    {
      MessageLoaderParms mload(String("CQL.CQLValueRep.OP_TYPE_MISMATCH"),
                   String("Validation type mismatch error for type: $0"),
                   String("CIMREFERENCE"));
      throw CQLRuntimeException(mload);
    }
      break;
    case CQLValue::CIMObject_type:
      if(x._valueType != CQLValue::CIMObject_type)
    {
      MessageLoaderParms mload(String("CQL.CQLValueRep.OP_TYPE_MISMATCH"),
                   String("Validation type mismatch error for type: $0"),
                   String("CIMOBJECT"));
      throw CQLRuntimeException(mload);
    }
      break;
    case CQLValue::CQLIdentifier_type:
      if(x._valueType != CQLValue::CQLIdentifier_type)
    {
      MessageLoaderParms mload(String("CQL.CQLValueRep.OP_TYPE_MISMATCH"),
                   String("Validation type mismatch error for type: $0"),
                   String("CQLIDENTIFIER"));
      throw CQLRuntimeException(mload);
    }
      break;
      
    default:
      MessageLoaderParms mload(String("CQL.CQLValueRep.OP_TYPE_MISMATCH"),
                   String("Validation type mismatch error for type: $0"),
                   String("UNKNOWN"));
      throw CQLRuntimeException(mload);
      break;
    }
  PEG_METHOD_EXIT();
  return;
}

void CQLValueRep::_setValue(CIMValue cv,Sint64 key)
{
  PEG_METHOD_ENTER(TRC_CQL,"CQLValueRep::_setValue()");
  CIMValue tmp;
  Uint32 index = 0;

  if(cv.isNull())
    {
      _theValue = cv;
      // Get actual value type.
      _valueType = _getCQLType(cv.getType());
      _isResolved = true;
      PEG_METHOD_EXIT();
      return;
    }
  if(key != -1)
    {
      index = (Uint32)key;
    }
  if(cv.isArray())
    {
      switch(cv.getType())
    {
    case CIMTYPE_BOOLEAN:
      {
        if(key == -1)
          {
        _theValue = cv;
          }
        else
          {
        Array<Boolean> _bool;
        cv.get(_bool);
        _theValue.set(_bool[index]);
          }

        _valueType = CQLValue::Boolean_type;
            break;
      }
    case CIMTYPE_UINT8:
      {
        Array<Uint8> _uint;
        cv.get(_uint);

        if(key == -1)
          {
        Array<Uint64> _uint64;
        for(Uint32 i = 0; i < _uint.size(); ++i)
          {
            _uint64.append((Uint64)_uint[i]);
          }
        _theValue = CIMValue(_uint64);
          }
        else
          {
        _theValue.set((Uint64)_uint[index]);
          }
            _valueType = CQLValue::Uint64_type;
            break;
      }
    case CIMTYPE_UINT16:
      {
        Array<Uint16> _uint;
        cv.get(_uint);

        if(key == -1)
          {
        Array<Uint64> _uint64;
        for(Uint32 i = 0; i < _uint.size(); ++i)
          {
            _uint64.append((Uint64)_uint[i]);
          }
        _theValue = CIMValue(_uint64);
          }
        else
          {
        _theValue.set((Uint64)_uint[index]);
          }
            _valueType = CQLValue::Uint64_type;
            break;
      }
    case CIMTYPE_UINT32:
      {
        Array<Uint32> _uint;
        cv.get(_uint);

        if(key == -1)
          {
        Array<Uint64> _uint64;
        for(Uint32 i = 0; i < _uint.size(); ++i)
          {
            _uint64.append((Uint64)_uint[i]);
          }
        _theValue = CIMValue(_uint64);
          }
        else
          {
        _theValue.set((Uint64)_uint[index]);
          }
            _valueType = CQLValue::Uint64_type;
            break;
      }
    case CIMTYPE_UINT64:
      {
        if(key == -1)
          {
        _theValue = cv;
          }
        else
          {
        Array<Uint64> _uint;
        cv.get(_uint);
        _theValue.set((Uint64)_uint[index]);
          }
            _valueType = CQLValue::Uint64_type;
            break;
      }
    case CIMTYPE_SINT8:
      {
        Array<Sint8> _sint;
        cv.get(_sint);

        if(key == -1)
          {
        Array<Sint64> _sint64;
        for(Uint32 i = 0; i < _sint.size(); ++i)
          {
            _sint64.append((Sint64)_sint[i]);
          }
        _theValue = CIMValue(_sint64);
          }
        else
          {
        _theValue.set((Sint64)_sint[index]);
          }
        _valueType = CQLValue::Sint64_type;
        break;
      }
    case CIMTYPE_SINT16:
      {
        Array<Sint16> _sint;
        cv.get(_sint);

        if(key == -1)
          {
        Array<Sint64> _sint64;
        for(Uint32 i = 0; i < _sint.size(); ++i)
          {
            _sint64.append((Sint64)_sint[i]);
          }
        _theValue = CIMValue(_sint64);
          }
        else
          {
        _theValue.set((Sint64)_sint[index]);
          }
        _valueType = CQLValue::Sint64_type;
        break;
      }
    case CIMTYPE_SINT32:
      {
        Array<Sint32> _sint;
        cv.get(_sint);

        if(key == -1)
          {
        Array<Sint64> _sint64;
        for(Uint32 i = 0; i < _sint.size(); ++i)
          {
            _sint64.append((Sint64)_sint[i]);
          }
        _theValue = CIMValue(_sint64);
          }
        else
          {
        _theValue.set((Sint64)_sint[index]);
          }
            _valueType = CQLValue::Sint64_type;
            break;
      }
    case CIMTYPE_SINT64:
      {
        if(key == -1)
          {
        _theValue = cv;
          }
        else
          {
        Array<Sint64> _sint;
        cv.get(_sint);
        _theValue.set((Sint64)_sint[index]);
          }
            _valueType = CQLValue::Sint64_type;
            break;
      }
      
    case CIMTYPE_REAL32:
      {
        Array<Real32> _real;
        cv.get(_real);

        if(key == -1)
          {
        Array<Real64> _real64;
        for(Uint32 i = 0; i < _real.size(); ++i)
          {
            _real64.append((Real64)_real[i]);
          }
        _theValue = CIMValue(_real64);
          }
        else
          {
        _theValue.set((Real64)_real[index]);
          }
            _valueType = CQLValue::Real_type;
            break;
      }
    case CIMTYPE_REAL64:
      {
        if(key == -1)
          {
        _theValue = cv;
          }
        else
          {
        Array<Real64> _real;
        cv.get(_real);
        _theValue.set((Real64)_real[index]);
          }
            _valueType = CQLValue::Real_type;
            break;
      }   
    case CIMTYPE_CHAR16:
      {
        Array<Char16> _str16;
        cv.get(_str16);

       Char16 _tmp[2];

        if(key == -1)
       {
         Array<String> _str;
         for(Uint32 i = 0; i < _str16.size(); ++i)
         {
           _tmp[0] = _str16[i]; 
           _tmp[1] = '\0';
           _str.append(String(_tmp));
         }
         _theValue = CIMValue(_str);
       }
        else
       {
         _tmp[0] = _str16[index]; 
         _tmp[1] = '\0';
         _theValue.set(String(_tmp));
       }
        _valueType = CQLValue::String_type;
       break;
      }
    case CIMTYPE_STRING:
      {
        if(key == -1)
          {
        _theValue = cv;
          }
        else
          {
        Array<String> _str;
        cv.get(_str);
        _theValue.set(_str[index]);
          }
            _valueType = CQLValue::String_type;
            break;
      }  
    case CIMTYPE_DATETIME:
      {
        if(key == -1)
          {
        _theValue = cv;
          }
        else
          {
        Array<CIMDateTime> _date;
        cv.get(_date);
        _theValue.set(_date[index]);
          }
            _valueType = CQLValue::CIMDateTime_type;
            break;
      }
    case CIMTYPE_REFERENCE:
      {
        if(key == -1)
          {
        _theValue = cv;
          }
        else
          {
        Array<CIMObjectPath> _path;
        cv.get(_path);
        _theValue.set(_path[index]);
          }
            _valueType = CQLValue::CIMReference_type;
            break;
      }
    case CIMTYPE_OBJECT:
#ifdef PEGASUS_EMBEDDED_INSTANCE_SUPPORT
    case CIMTYPE_INSTANCE:
    {
        Boolean isInstance = cv.getType() == CIMTYPE_INSTANCE;
        if(key == -1)
        {
            _theValue = cv;
        }
        else
        {
            if(isInstance)
            {
              Array<CIMInstance> _inst;
              cv.get(_inst);
              _theValue.set((CIMObject)(_inst[index]));
            }
            else
            {
                Array<CIMObject> _obj;
                cv.get(_obj);
                _theValue.set(_obj[index]);
            }
        }

        _valueType = CQLValue::CIMObject_type;
        break;
    } 
#else 
    {
        if(key == -1)
          {
        _theValue = cv;
          }
        else
          {
        Array<CIMObject> _obj;
        cv.get(_obj);
        _theValue.set(_obj[index]);
          }
            _valueType = CQLValue::CIMObject_type;
            break;
      }
#endif // PEGASUS_EMBEDDED_INSTANCE_SUPPORT
    default:
       MessageLoaderParms mload(String("CQL.CQLValueRep.SET_VALUE"),
                    String("Unable to set internal object type: $0."),
                    cv.getType());
       throw CQLRuntimeException(mload);
    } // switch statement 
    }
  else
    {
      switch(cv.getType())
    {
    case CIMTYPE_BOOLEAN:
      {
        _theValue = cv;
            _valueType = CQLValue::Boolean_type;
            break;
      }
    case CIMTYPE_UINT8:
      {
        Uint8 _tmp;
        cv.get(_tmp);
        _theValue = CIMValue((Uint64)_tmp);
        _valueType = CQLValue::Uint64_type;
        break;
      }
    case CIMTYPE_UINT16:
      {
        Uint16 _tmp;
        cv.get(_tmp);
        _theValue = CIMValue((Uint64)_tmp);
        _valueType = CQLValue::Uint64_type;
        break;
      }
    case CIMTYPE_UINT32:
      {
        Uint32 _tmp;
        cv.get(_tmp);
        _theValue = CIMValue((Uint64)_tmp);
        _valueType = CQLValue::Uint64_type;
        break;
      }
    case CIMTYPE_UINT64:
      {
        Uint64 _tmp;
        cv.get(_tmp);
        _theValue = CIMValue((Uint64)_tmp);
        _valueType = CQLValue::Uint64_type;
        break;
      }
    case CIMTYPE_SINT8:
      {
        Sint8 _tmp;
        cv.get(_tmp);
        _theValue = CIMValue((Sint64)_tmp);
        _valueType = CQLValue::Sint64_type;
        break;
      }
    case CIMTYPE_SINT16:
      {
        Sint16 _tmp;
        cv.get(_tmp);
        _theValue = CIMValue((Sint64)_tmp);
        _valueType = CQLValue::Sint64_type;
        break;
      }
    case CIMTYPE_SINT32:
      {
        Sint32 _tmp;
        cv.get(_tmp);
        _theValue = CIMValue((Sint64)_tmp);
        _valueType = CQLValue::Sint64_type;
        break;
      }
    case CIMTYPE_SINT64:
      {
        Sint64 _tmp;
        cv.get(_tmp);
        _theValue = CIMValue((Sint64)_tmp);
        _valueType = CQLValue::Sint64_type;
        break;
      }
    case CIMTYPE_REAL32:
      {
        Real32 _tmp;
        cv.get(_tmp);
        _theValue = CIMValue((Real64)_tmp);
        _valueType = CQLValue::Real_type;
        break;
      }
    case CIMTYPE_REAL64:
      {
        Real64 _tmp;
        cv.get(_tmp);
        _theValue = CIMValue((Real64)_tmp);
        _valueType = CQLValue::Real_type;
        break;
      }   
    case CIMTYPE_CHAR16:
      {
        Char16 _tmp[2];
        cv.get(_tmp[0]);
       _tmp[1] = '\0';
        _theValue = CIMValue(String(_tmp));
        _valueType = CQLValue::String_type;
        break;
      }  
    case CIMTYPE_STRING:
      {
        _theValue = cv;
        _valueType = CQLValue::String_type;
        break;
      }   
    case CIMTYPE_DATETIME:
      {
        _theValue = cv;
        _valueType = CQLValue::CIMDateTime_type;
        break;
      } 
    case CIMTYPE_REFERENCE:
      {
        _theValue = cv;
            _valueType = CQLValue::CIMReference_type;
            break;
      }   
    case CIMTYPE_OBJECT:
      {
        _theValue = cv;
            _valueType = CQLValue::CIMObject_type;
            break;
      }
#ifdef PEGASUS_EMBEDDED_INSTANCE_SUPPORT
    case CIMTYPE_INSTANCE:
    {
        // Convert the value into an Object value
        CIMValue convertedValue(CIMTYPE_OBJECT, false);
        CIMInstance tmpInst;
        cv.get(tmpInst);
        convertedValue.set((CIMObject)tmpInst);
        _theValue = convertedValue;
        _valueType = CQLValue::CIMObject_type;
        break;
    } 
#endif // PEGASUS_EMBEDDED_INSTANCE_SUPPORT
    default:
       MessageLoaderParms mload(String("CQL.CQLValueRep.SET_VALUE"),
                    String("Unable to set internal object type: $0."),
                    cv.getType());
       throw CQLRuntimeException(mload);
    }

    }

  _isResolved = true;

  PEG_METHOD_EXIT();
  return;
}

void CQLValueRep::applyContext(const QueryContext& _ctx,
                              const CQLChainedIdentifier& inCid)
{
   if(inCid.size() != 0 && _CQLChainId.size() == 1)
     {  
       // If we get here we have a stand alone Symbolic constant.
       // We need to take the chain and create a complete context
       // for the symbolic constant.  We will use the context from
       // inCid to populate the context for chain.
       /*
        _CQLChainId[0].setName(inCid[inCid.size()-1].getName());
        _CQLChainId[0].applyScope(inCid[inCid.size()-1].getScope());
       */
       
       CQLIdentifier id = _CQLChainId[0];
       id.setName(inCid[inCid.size()-1].getName());
       id.applyScope(inCid[inCid.size()-1].getScope());

       CQLChainedIdentifier chainId(id);

       for(Sint32 i = inCid.size()-2; i >= 0; --i)
       {
         chainId.prepend(inCid[i]); 
       }

       _CQLChainId = chainId;


    CIMInstance temp;
    resolve(temp,_ctx);
     }
   else
     {
       _CQLChainId.applyContext(const_cast<QueryContext&>(_ctx)); 
     }

   // Add the chained identifier to the WHERE identifier list.
   // Note: CQLValue's are only used in WHERE processing.
   if (_CQLChainId.size() > 0)
   {
     const_cast<QueryContext&>(_ctx).addWhereIdentifier(_CQLChainId);
   }
}

void CQLValueRep::_resolveSymbolicConstant(const QueryContext& inQueryCtx)
{
  PEG_METHOD_ENTER(TRC_CQL,"CQLValueRep::_resolveSymbolicConstant()");

   Array<String> valueMapArray;     // Value Map Qualifier for property
   Array<String> valuesArray;       // Values Qualifier for property
   CIMName className;
   CQLIdentifier lid = _CQLChainId.getLastIdentifier();
   CIMClass QueryClass;
   CIMValue valueMap;               // CIMValue for Value Map Qualifiers
   CIMValue values;                 // CIMValue for Values Qualifiers
   Boolean matchFound = false;      // Indicator for match Qualifier
   Uint32 matchIndex = 0;           // Placeholder for matched Qualifier

   if(lid.isScoped())
   {
     className = lid.getScope();
   }
   else
   {
     className = _CQLChainId[0].getName();
   }

   QueryClass = inQueryCtx.getClass(className);

   Uint32 propertyIndex = 
         QueryClass.findProperty(lid.getName());

   if(propertyIndex == PEG_NOT_FOUND)
   {
     MessageLoaderParms mload(String("CQL.CQLValueRep.PROP_NOT_FOUND"),
                  String("Property $0 not found on class $1."),
                  lid.getName().getString(),
                  className.getString());
     throw CQLRuntimeException(mload);
   }

   CIMProperty queryPropObj = QueryClass.getProperty(propertyIndex);

   // We have a symbolic constant (ex. propName#OK)
   // We need to retrieve the ValueMap and Values Qualifiers for 
   // the property if the exist.
   Uint32 qualIndex = queryPropObj.findQualifier(CIMName("Values"));

   if(qualIndex == PEG_NOT_FOUND)
   {
      // This property can not be processed with a symbolic constant.
     MessageLoaderParms mload(String("CQL.CQLValueRep.QUALIFIER_NOT_FOUND"),
                  String("Qualifier $0 not found on Property $1 in class $2."),
                  String("Values"),
                  lid.getName().getString(),
                  className.getString());
     throw CQLRuntimeException(mload);
   }

   values = queryPropObj.getQualifier(qualIndex).getValue();

   qualIndex = queryPropObj.findQualifier(CIMName("ValueMap"));

   if(qualIndex == PEG_NOT_FOUND)
     {
       // This property does not have a ValueMap Qualifier,
       // therefore the values must be the list of symbolic constants.
       
       values.get(valuesArray);
       
       // We will loop through the list of Symbolic constants to 
       // determine if we have a match with the Symbolic constant
       // defined in the CQLIdentifier.
       for(Uint32 i = 0; i < valuesArray.size(); ++i)
     {
       if(String::equalNoCase(valuesArray[i],lid.getSymbolicConstantName()))
         {
           matchFound = true;
           matchIndex = i;
           break;
         }
     }
       if(matchFound == false)
     {
       // The symbolic constant provided is not valid
       // for this property.
       MessageLoaderParms mload(
            String("CQL.CQLValueRep.INVALID_SYMBOLIC_CONSTANT"),
            String("Provided symbolic constant $0 is not valid for"
                " property $1 in class $2."),
            lid.getSymbolicConstantName(),
            lid.getName().getString(),
            className.getString());
       throw CQLRuntimeException(mload);
     }
       
       // The symbolic constant defined in the CQLIdentifier is 
       // valid for this property. Now we need to set the value.
       // Set primitive
       _setValue(Uint64(matchIndex));

       PEG_METHOD_EXIT();
       return;
     }
   else
     {
       // The qualifier Values is defined for the property.
       // valueMap must be a list of #'s.
       
       valueMap = queryPropObj.getQualifier(qualIndex).getValue();
       
       valueMap.get(valueMapArray);
       values.get(valuesArray);
       
       // We will loop through the list of Symbolic constants to 
       // determine if we have a match with the Symbolic constant
       // defined in the CQLIdentifier.
       for(Uint32 i = 0; i < valuesArray.size(); ++i)
     {
       if(String::equalNoCase(valuesArray[i],lid.getSymbolicConstantName()))
         {
           matchFound = true;
           matchIndex = i;
           break;
         }
     }
       if(matchFound == false)
     {
       // The symbolic constant provided is not valid
       // for this property.
       MessageLoaderParms mload(
            String("CQL.CQLValueRep.INVALID_SYMBOLIC_CONSTANT"),
            String("Provided symbolic constant $0 is not valid for property"
                " $1 in class $2."),
            lid.getSymbolicConstantName(),
            lid.getName().getString(),
            className.getString());
       throw CQLRuntimeException(mload); 
     }
       
       // Set Primitive
       
       if(valueMapArray[matchIndex].find(String("..")) != PEG_NOT_FOUND)
     {
       // The symbolic constant provided is not valid
       // for this property.
       MessageLoaderParms mload(
            String("CQL.CQLValueRep.INVALID_SYMBOLIC_CONSTANT"),
            String("Provided symbolic constant $0 is not valid for property"
                " $1 in class $2."),
            lid.getSymbolicConstantName(),
            lid.getName().getString(),
            className.getString());
       throw CQLRuntimeException(mload);
     } 
       _setValue(CIMValue(Sint64(CQLUtilities::stringToSint64(
                           valueMapArray[matchIndex]))));
       
       PEG_METHOD_EXIT();
       return;
     }
 
}

Boolean CQLValueRep::_compareObjects(CIMObject& _in1, CIMObject& _in2)
{
  if(_in1.isClass() != _in2.isClass())
    {
      return false;
    }
  else if(_in1.isClass())
    { // objects are classes 
      return ((_in1.getClassName() == _in2.getClassName()) 
              && _in1.identical(_in2));
    }
  else
    { // objects are instances

      if(!(_in1.getClassName() ==
      _in2.getClassName()))
    {
      return false;
    }

      if(_in1.getPropertyCount() !=
     _in2.getPropertyCount())
    {
      return false;
    }

      Array<CIMProperty> prop1;
      Array<CIMProperty> prop2;
      Boolean result;

      for(Uint32 i = 0; i < _in1.getPropertyCount(); ++i)
    {
      prop1.append(_in1.getProperty(i));
      prop2.append(_in2.getProperty(i));
    }

      for(Uint32 i = 0; i < _in1.getPropertyCount(); ++i)
    {
      result = false;

      for(Uint32 j = 0; j < _in2.getPropertyCount(); ++j)
        {
          if(prop1[i].getName() == prop2[j].getName())
        {
          if(prop1[i].isArray() != prop2[j].isArray())
            {
              break;
            }
          if(prop1[i].isArray())
            {
              CQLValueRep left;
              CQLValueRep right;
              left._setValue(prop1[i].getValue());
              right._setValue(prop2[j].getValue());
              result = left._compareArray(right);
            }
          else
            {
              if(CQLValue(prop1[i].getValue()) == CQLValue(prop2[j].getValue()))
            {
              result = true;
              break;
            }
              else
            {
              result = false;
              break;
            }
            }
        }
        }
      if(result == false)
        {
          return false;
        }
    }
    }
  return true;
}

Boolean CQLValueRep::_compareArray(const CQLValueRep& _in)
{
  PEG_METHOD_ENTER(TRC_CQL,"CQLValueRep::_compareArray()");

  if (isNull() && _in.isNull())
  {
      PEG_METHOD_EXIT();
      return true;
  }
  
  if (isNull() ||_in.isNull())
  {
      PEG_METHOD_EXIT();
      return false;
  }
  
  Boolean result;
  Array<Boolean>       _bool1;
  Array<Boolean>       _bool2;
  Array<Uint64>        _uint1;
  Array<Uint64>        _uint2;
  Array<Sint64>        _sint1;
  Array<Sint64>        _sint2;
  Array<Real64>        _real1;
  Array<Real64>        _real2;
  Array<String>        _str1;
  Array<String>        _str2;
  Array<CIMDateTime>   _date1;
  Array<CIMDateTime>   _date2;
  Array<CIMObjectPath> _path1;
  Array<CIMObjectPath> _path2;
  Array<CIMObject>     _obj1;
  Array<CIMObject>     _obj2;

  Array<CQLValue>      _cqlVal1;
  Array<CQLValue>      _cqlVal2;

  CIMValue _in1 = _theValue;
  CIMValue _in2 = _in._theValue;

  String _arrayType1 = _ArrayType;
  String _arrayType2 = _in._ArrayType;

  switch(_in1.getType())
    {
    case CIMTYPE_BOOLEAN:
      {
    _in1.get(_bool1);
    for(Uint32 i = 0; i < _bool1.size(); ++i)
      {
        _cqlVal1.append(CQLValue(_bool1[i]));
      }
    break;
      }
    case CIMTYPE_UINT64:
      {
    _in1.get(_uint1);
    for(Uint32 i = 0; i < _uint1.size(); ++i)
      {
        _cqlVal1.append(CQLValue(_uint1[i]));
      }
    break;
      }
    case CIMTYPE_SINT64:
      {
    _in1.get(_sint1);
    for(Uint32 i = 0; i < _sint1.size(); ++i)
      {
        _cqlVal1.append(CQLValue(_sint1[i]));
      }
    break;
      }
    case CIMTYPE_REAL64:
      {
    _in1.get(_real1);
    for(Uint32 i = 0; i < _real1.size(); ++i)
      {
        _cqlVal1.append(CQLValue(_real1[i]));
      }
    break;
      }   
    case CIMTYPE_STRING:
      {
    _in1.get(_str1);
    for(Uint32 i = 0; i < _str1.size(); ++i)
      {
        _cqlVal1.append(CQLValue(_str1[i]));
      }
    break;
      }  
    case CIMTYPE_DATETIME:
      {
    _in1.get(_date1);
    for(Uint32 i = 0; i < _date1.size(); ++i)
      {
        _cqlVal1.append(CQLValue(_date1[i]));
      }
    break;
      }
    case CIMTYPE_REFERENCE:
      {
    _in1.get(_path1);
    for(Uint32 i = 0; i < _path1.size(); ++i)
      {
        _cqlVal1.append(CQLValue(_path1[i]));
      }
    break;
      }   
    case CIMTYPE_OBJECT:
      {
    _in1.get(_obj1);
    for(Uint32 i = 0; i < _obj1.size(); ++i)
      {
        _cqlVal1.append(CQLValue(_obj1[i]));
      }
    break;
      }
#ifdef PEGASUS_EMBEDDED_INSTANCE_SUPPORT
    case CIMTYPE_INSTANCE:
    {
        Array<CIMInstance> tmpInst;
        _in1.get(tmpInst);
        for(Uint32 i = 0; i < tmpInst.size(); ++i)
        {
            _cqlVal1.append(CQLValue((CIMObject)tmpInst[i]));
        }
        break;
    } 
#endif // PEGASUS_EMBEDDED_INSTANCE_SUPPORT
    default:
      MessageLoaderParms mload(
              String("CQL.CQLValueRep.INVALID_ARRAY_COMPARISON"),
              String("Invalid array comparison type: $0."),
              _in1.getType());
      throw CQLRuntimeException(mload); 
    } // switch statement 
  
  switch(_in2.getType())
    {
    case CIMTYPE_BOOLEAN:
      {
    _in2.get(_bool2);
    for(Uint32 i = 0; i < _bool2.size(); ++i)
      {
        _cqlVal2.append(CQLValue(_bool2[i]));
      }
    break;
      }
    case CIMTYPE_UINT64:
      {
    _in2.get(_uint2);
    for(Uint32 i = 0; i < _uint2.size(); ++i)
      {
        _cqlVal2.append(CQLValue(_uint2[i]));
      }
    break;
      }
    case CIMTYPE_SINT64:
      {
    _in2.get(_sint2);
    for(Uint32 i = 0; i < _sint2.size(); ++i)
      {
        _cqlVal2.append(CQLValue(_sint2[i]));
      }
    break;
      }
    case CIMTYPE_REAL64:
      {
    _in2.get(_real2);
    for(Uint32 i = 0; i < _real2.size(); ++i)
      {
        _cqlVal2.append(CQLValue(_real2[i]));
      }
    break;
      }   
    case CIMTYPE_STRING:
      {
    _in2.get(_str2);
    for(Uint32 i = 0; i < _str2.size(); ++i)
      {
        _cqlVal2.append(CQLValue(_str2[i]));
      }
    break;
      }  
    case CIMTYPE_DATETIME:
      {
    _in2.get(_date2);
    for(Uint32 i = 0; i < _date2.size(); ++i)
      {
        _cqlVal2.append(CQLValue(_date2[i]));
      }
    break;
      }
    case CIMTYPE_REFERENCE:
      {
    _in2.get(_path2);
    for(Uint32 i = 0; i < _path2.size(); ++i)
      {
        _cqlVal2.append(CQLValue(_path2[i]));
      }
    break;
      }
    case CIMTYPE_OBJECT:
      {
    _in2.get(_obj2);
    for(Uint32 i = 0; i < _obj2.size(); ++i)
      {
        _cqlVal2.append(CQLValue(_obj2[i]));
      }
#ifdef PEGASUS_EMBEDDED_INSTANCE_SUPPORT
    case CIMTYPE_INSTANCE:
    {
        Array<CIMObject> tmpInst;
        _in2.get(tmpInst);
        for(Uint32 i = 0; i < tmpInst.size(); ++i)
        {
            _cqlVal2.append(CQLValue((CIMObject)tmpInst[i]));
        }
    }
#endif // PEGASUS_EMBEDDED_INSTANCE_SUPPORT
    break;
      }   
    default:
      MessageLoaderParms mload(
              String("CQL.CQLValueRep.INVALID_ARRAY_COMPARISON"),
              String("Invalid array comparison type: $0."),
              _in2.getType());
      throw CQLRuntimeException(mload); 
    } // switch statement 

  if((_arrayType1 == String("Indexed") ||
      _arrayType1 == String("Ordered")) &&
     (_arrayType2 == String("Indexed") ||
      _arrayType2 == String("Ordered")))
    { // Handle the indexed or ordered case.
      for(Uint32 i = 0; i < _cqlVal1.size(); ++i)
    { 
      if(_cqlVal1[i] != _cqlVal2[i])
        {
          PEG_METHOD_EXIT();
          return false;
        }
    }
    }  
  else // We are doing a bag comparison
    {
      for(Uint32 i = 0; i < _cqlVal1.size(); ++i)
    {
      result = false;
      
      for(Uint32 j = 0; j < _cqlVal2.size(); ++j)
        {
          if(_cqlVal1[i] == _cqlVal2[j])
        {
          result = true;
          break;
        }
        }
      if(result == false)
        {
          PEG_METHOD_EXIT();
          return false;
        }
    }
      
      for(Uint32 i = 0; i < _cqlVal2.size(); ++i)
    {
      result = false;
      
      for(Uint32 j = 0; j < _cqlVal1.size(); ++j)
        {
          if(_cqlVal2[i] == _cqlVal1[j])
        {
          result = true;
          break;
        }
        }
      if(result == false)
        {
          PEG_METHOD_EXIT();
          return false;
        }
    }
    }
  PEG_METHOD_EXIT();
  return true;
}

String CQLValueRep::valueTypeToString(const CQLValue::CQLValueType parmType) 
{
  String returnStr;

  switch (parmType)
  {
      case CQLValue::Null_type:
          returnStr.append("NULL");
          break;
      case CQLValue::Sint64_type:
          returnStr.append("Sint64");
          break;
      case CQLValue::Uint64_type:
          returnStr.append("Uint64");
          break;
      case CQLValue::Real_type:
          returnStr.append("Real");
          break;
      case CQLValue::String_type:
          returnStr.append("String");
          break;
      case CQLValue::CIMDateTime_type:
          returnStr.append("DateTime");
          break;
      case CQLValue::CIMReference_type:
          returnStr.append("CIM Ref");
          break;
      case CQLValue::CQLIdentifier_type:
          returnStr.append("Identifier");
          break;
      case CQLValue::CIMObject_type:
          returnStr.append("CIM Object");
          break;
      case CQLValue::Boolean_type:
          returnStr.append("Boolean");
          break;
      default:
          returnStr.append("Unknown");
  }
  return returnStr;
}
PEGASUS_NAMESPACE_END