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BUG#: 9676
TITLE: Add pull operations to the OpenPegasusclient and server

DESCRIPTION: This patch is the implementation of the pull operations
defined in DSP0200 for both the CIM Client and CIM Server.  It includes
test programs in Pegasus/Client/tests and extends cimcli to make pull
requests and receive pull operation responses. There are still limitations
and issues noted in the readme.pulloperations file as well as some KS_TOD
comments marking things to do in the source code.

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#ifndef Pegasus_CIMEnumerationContext_h
#define Pegasus_CIMEnumerationContext_h

#include <Pegasus/Client/Linkage.h>
#include <Pegasus/Common/Config.h>
#include <Pegasus/Common/String.h>
#include <Pegasus/Common/CIMName.h>

PEGASUS_NAMESPACE_BEGIN

class CIMEnumerationContextRep;

//////////////////////////////////////////////////////////////
//
// CIMEnumerationContext
//
//////////////////////////////////////////////////////////////

/**
    This class represents the object containing the
    EnumerationContext for a sequence of Pull operations that
    must be communicated between the client application and
    CIMCLient.  It is created by the client for an Open and
    maintained by the CIMClient infrastructure.   To the Client
    application is completely opaque. The only functions
    available are constructiondestruction anc clear.
*/

class PEGASUS_CLIENT_LINKAGE CIMEnumerationContext
{
public:
    /**
        Constructs an empty CIMEnumerationContext object.
    */
    CIMEnumerationContext();

    /**
        Destructor.
    */
    ~CIMEnumerationContext();

    void clear();

    // Used to support error tests only. Clears only the enumeration
    // context parameter
    void clearEnumeration();

protected:
    CIMNamespaceName& getNameSpace();

    void setNameSpace(const CIMNamespaceName& n);

    // This is just a diagnostic tool
    String& getContextString();

    void setContextString(const String& s);
private:
    CIMEnumerationContextRep *_rep;

    // Make copy-constructor and assignment operators private
    CIMEnumerationContext(const CIMEnumerationContext& ec);
    CIMEnumerationContext& operator=(const CIMEnumerationContext& ec);
    friend class CIMClientRep;
};

PEGASUS_NAMESPACE_END

#endif /* Pegasus_CIMEnumerationContext_h */