122 lines
4.5 KiB
C
122 lines
4.5 KiB
C
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// attachment.h: interface for the CAttachmentData class.
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//
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// Copyright (c)1997-1999 Microsoft Corporation
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//
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//////////////////////////////////////////////////////////////////////
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#if !defined(AFX_ATTACHMENT_H__BD7570F7_9F0E_4C6B_B525_E078691B6D0E__INCLUDED_)
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#define AFX_ATTACHMENT_H__BD7570F7_9F0E_4C6B_B525_E078691B6D0E__INCLUDED_
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#if _MSC_VER >= 1000
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#pragma once
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#endif // _MSC_VER >= 1000
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#include "GenericClass.h"
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/*
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Class description
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Naming:
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CPodData stands for a Pod of Data.
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Base class:
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CGenericClass, because it is a class representing a WMI
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object - its WMI class name is Sce_PodData
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Purpose of class:
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(1) Sce_PodData is one of the extension models we hope to establish so that
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other providers can deposit their object information into our store.
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Basically, we give other providers a payload member called "Value" where
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they package their data in a string. See class definition in sceprov.mof.
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(2) This is not in active use as our extension model. The biggest problem
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with this model is that we force other providers to do: (a) their instance
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must become store-oriented - PutInstance really means to persist the object.
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That is not most providers do. (b) they have to come up with a three of the
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four key properties (section, pod id, and key). It's challenging for them
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to do this because together with the store path, these four properties must
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form the key of the instance. (c) they have to pacakge their data into one
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string.
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Design:
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(1) it implements all pure virtual functions declared in CGenericClass
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so that it is a concrete class to create.
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(2) Since it has virtual functions, the desctructor should be virtual.
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Use:
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(1) We probably will never directly use this class. All its use is driven by
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CGenericClass's interface (its virtual functions).
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*/
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class CPodData : public CGenericClass
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{
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public:
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CPodData(
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ISceKeyChain *pKeyChain,
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IWbemServices *pNamespace,
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IWbemContext *pCtx = NULL
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);
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virtual ~CPodData();
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virtual HRESULT PutInst(
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IWbemClassObject *pInst,
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IWbemObjectSink *pHandler,
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IWbemContext *pCtx
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);
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virtual HRESULT CreateObject(
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IWbemObjectSink *pHandler,
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ACTIONTYPE atAction
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);
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private:
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HRESULT ConstructInstance(
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IWbemObjectSink * pHandler,
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CSceStore * pSceStore,
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LPCWSTR wszLogStorePath,
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LPCWSTR wszPodID,
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LPCWSTR wszSection,
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LPCWSTR wszKey,
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BOOL bPostFilter
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);
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HRESULT DeleteInstance(
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CSceStore* pSceStore,
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LPCWSTR wszPodID,
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LPCWSTR wszSection,
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LPCWSTR wszKey
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);
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HRESULT ValidatePodID(LPCWSTR wszPodID);
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HRESULT ConstructQueryInstances(
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IWbemObjectSink *pHandler,
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CSceStore* pSceStore,
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LPCWSTR wszLogStorePath,
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LPCWSTR wszPodID,
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LPCWSTR wszSection,
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BOOL bPostFilter
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);
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HRESULT PutPodDataInstance(
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IWbemObjectSink *pHandler,
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LPCWSTR wszStoreName,
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LPCWSTR wszPodID,
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LPCWSTR wszSection,
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LPCWSTR wszKey,
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LPCWSTR wszValue,
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BOOL bPostFilter
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);
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};
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#endif // !defined(AFX_ATTACHMENT_H__BD7570F7_9F0E_4C6B_B525_E078691B6D0E__INCLUDED_)
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