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BUG#: 9928

TITLE: Initial FQL implementation per DMTF specification DSP0212

DESCRIPTION: Commit of initial FQL (Filter Query Language)
implementation including 1) FQL parser and evaluator, 2 FQL integration
into CIMOperationRequestDispatcher.cpp, 3)FQL unit and end-end tests
in FQL/tests/Parser and FQL/tests/clitest and FQL tests added to
cimcli tests in src/Clients/cimcli/tests/Makefile

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#ifndef Pegasus_WQLQueryExpressionRep_h
#define Pegasus_WQLQueryExpressionRep_h

#include <Pegasus/Common/Config.h>
#include <Pegasus/Common/String.h>
#include <Pegasus/Common/CIMName.h>
#include <Pegasus/Common/CIMInstance.h>
#include <Pegasus/Common/CIMPropertyList.h>

#include <Pegasus/Common/QueryExpressionRep.h>
#include "FQLQueryStatement.h"

PEGASUS_NAMESPACE_BEGIN

class FQLQueryStatement;

class PEGASUS_FQL_LINKAGE FQLQueryExpressionRep : public QueryExpressionRep {
  friend class QueryExpression;
  public:
    FQLQueryExpressionRep(const String& queryLanguage)
      : QueryExpressionRep(queryLanguage),
        _stmt(NULL)
    {}

    FQLQueryExpressionRep(const String & queryLanguage, FQLQueryStatement *s)
      : QueryExpressionRep(queryLanguage),
      _stmt(s)
    {}

    FQLQueryExpressionRep(const String & queryLanguage, String & query)
      : QueryExpressionRep(queryLanguage,query),
      _stmt(NULL)
    {}

    PEGASUS_HIDDEN_LINKAGE
    virtual ~FQLQueryExpressionRep();

    PEGASUS_HIDDEN_LINKAGE
    virtual const CIMPropertyList getPropertyList() const;

    PEGASUS_HIDDEN_LINKAGE
    virtual Boolean evaluate(const CIMInstance &) const;

    PEGASUS_HIDDEN_LINKAGE
    virtual void applyProjection(CIMInstance &, Boolean allowMissing);

    PEGASUS_HIDDEN_LINKAGE
    void _parse();

    FQLQueryStatement* _stmt;
};

PEGASUS_NAMESPACE_END

#endif