cqlexpressionrep.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.;
// 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.;
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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])
//
// Modified By: David Dillard, VERITAS Software Corp.
//                  ([e-mail])
//              Vijay Eli, IBM ([e-mail]) bug#3590
//
//%/////////////////////////////////////////////////////////////////////////////

#ifndef Pegasus_CQLExpressionRep_h
#define Pegasus_CQLExpressionRep_h

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

PEGASUS_NAMESPACE_BEGIN

class CQLFactory;
class QueryContext;

class 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(const QueryContext& inContext,
            const 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 */