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#ifndef Pegasus_CIMMethodProvider_h
#define Pegasus_CIMMethodProvider_h

#include <Pegasus/Common/Config.h>
#include <Pegasus/Provider/CIMProvider.h>

#include <Pegasus/Common/Array.h>
#include <Pegasus/Common/CIMName.h>
#include <Pegasus/Common/CIMObjectPath.h>
#include <Pegasus/Common/CIMValue.h>
#include <Pegasus/Common/CIMParamValue.h>
#include <Pegasus/Provider/Linkage.h>

PEGASUS_NAMESPACE_BEGIN

/**
    This class defines a set of functions that support the invocation of
    extrinsic methods on a CIM class or instance.

    <p>A method provider is not required to implement all the methods defined
    for a CIM class.  Multiple method providers may be registered for methods
    of the same class, but not for the same method.  (See the
    SupportedMethods property of the PG_ProviderCapabilities class.)</p>
*/
class PEGASUS_PROVIDER_LINKAGE CIMMethodProvider : public virtual CIMProvider
{
public:
    /** Constructs a CIMMethodProvider object with null values (default
        constructor).
    */
    CIMMethodProvider();

    /** CIMMethodProvider destructor.
    */
    virtual ~CIMMethodProvider();

    /**
        Invokes the specified method on the specified class or instance.

        @param context Specifies the client user's context for this operation,
            including the user ID.
        @param objectReference Specifies the fully qualified object path
            of the class or instance of interest.
        @param methodName Specifies the name of the method of interest.
        @param inParameters Specifies the input parameters of the method.
        @param handler A {@link ResponseHandler ResponseHandler} object used
            to deliver results to the CIM Server.

        @exception CIMNotSupportedException If the method is not supported.
        @exception CIMInvalidParameterException If a parameter is invalid.
        @exception CIMObjectNotFoundException If the object is not found.
        @exception CIMAccessDeniedException If the user requesting the action
            is not authorized to perform the action.
        @exception CIMOperationFailedException If the operation fails.
    */
    virtual void invokeMethod(
        const OperationContext& context,
        const CIMObjectPath& objectReference,
        const CIMName& methodName,
        const Array<CIMParamValue>& inParameters,
        MethodResultResponseHandler& handler) = 0;
};

PEGASUS_NAMESPACE_END

#endif