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BUG#: 2620

TITLE: CQL fix pack

DESCRIPTION: CQL fix pack

//%2003////////////////////////////////////////////////////////////////////////
//
// 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.
//
// 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.
//
//==============================================================================
//
// Authors: David Rosckes (rosckes@us.ibm.com)
//          Bert Rivero (hurivero@us.ibm.com)
//          Chuck Carmack (carmack@us.ibm.com)
//          Brian Lucier (lucier@us.ibm.com)
//
// Modified By: 
//
//%/////////////////////////////////////////////////////////////////////////////

#ifndef Pegasus_CQLExpressionRep_h
#define Pegasus_CQLExpressionRep_h

#include <Pegasus/Common/Config.h>
#include <Pegasus/CQL/CQLValue.h>
#include <Pegasus/CQL/Linkage.h>
#include <Pegasus/CQL/CQLTerm.h>

PEGASUS_NAMESPACE_BEGIN

class PEGASUS_CQL_LINKAGE CQLFactory;
class PEGASUS_QUERYCOMMON_LINKAGE QueryContext;

class PEGASUS_CQL_LINKAGE CQLExpressionRep
{
  public:
  CQLExpressionRep(){}

  CQLExpressionRep(const CQLTerm& theTerm);
  CQLExpressionRep(const CQLExpressionRep* rep);

  ~CQLExpressionRep();
  
  CQLValue resolveValue(const CIMInstance& CI, const QueryContext& QueryCtx);
  
  void appendOperation(const TermOpType theTermOpType, const CQLTerm& theTerm);
  
  String toString()const;
  
  Boolean isSimple()const;
  
  Boolean isSimpleValue()const;
  
  Array<CQLTerm> getTerms()const;
  
  Array<TermOpType> getOperators()const;
  
  void applyContext(QueryContext& inContext,
		    CQLChainedIdentifier& inCid);
/*  
  Boolean operator==(const CQLExpressionRep& rep)const;
  
  Boolean operator!=(const CQLExpressionRep& rep)const;
  */
  friend class CQLFactory;
  
 private:
  
  /**  The _TermOperators member variable is an 
       array of operators that are valid to operate on Terms in a CQL
       expression. 
       Valid operators include concatentation, add and subtract.
       
       The array is ordered according to the operation from left to right.
  */
  Array<TermOpType> _TermOperators;
  
  /**  The _CQLTerms member variable is an 
       array of operands that are valid in a CQL expression. 
       
       The array is ordered according to the operation from left to right.
  */
  Array<CQLTerm> _CQLTerms;
  
};

PEGASUS_NAMESPACE_END


#endif /* CQLEXPRESSION_H_HEADER_INCLUDED_BEE5929F */