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77 lines
1.8 KiB
77 lines
1.8 KiB
/*++
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Copyright (C) 1996-1999 Microsoft Corporation
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Module Name:
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TWOPROPNODE.INL
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Abstract:
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Two Prop Node Inlines
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History:
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--*/
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// inline support for templates for TwoPropNode
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// silly warning about performance hits when converting an int to a bool
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#pragma warning(disable: 4800)
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// evaluate data in ObjInfo, decide which node (branch) should be evaluated next
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template<class TPropType>
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HRESULT TTwoScalarPropNode<TPropType>::Evaluate(CObjectInfo& ObjInfo,
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INTERNAL CEvalNode** ppNext)
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{
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HRESULT herslut = WBEM_S_NO_ERROR;
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_IWmiObject* pLeftObj;
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_IWmiObject* pRightObj;
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if(SUCCEEDED(herslut = GetContainerObject(ObjInfo, &pLeftObj))
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&&
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SUCCEEDED(herslut = GetRightContainerObject(ObjInfo, &pRightObj)))
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{
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long lRead;
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TPropType lValue, rValue;
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// ugly compare: "if we get both properties"
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if (SUCCEEDED(herslut = pLeftObj->ReadPropertyValue(m_lPropHandle, sizeof(TPropType), &lRead, (BYTE*)&lValue))
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&&
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SUCCEEDED(herslut = pRightObj->ReadPropertyValue(m_lRightPropHandle, sizeof(TPropType), &lRead, (BYTE*)&rValue)))
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{
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herslut = WBEM_S_NO_ERROR;
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if (lValue < rValue)
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*ppNext = m_apBranches[LT];
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else if (lValue > rValue)
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*ppNext = m_apBranches[GT];
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else
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*ppNext = m_apBranches[EQ];
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}
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}
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return herslut;
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}
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template<class TPropType>
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CEvalNode* TTwoScalarPropNode<TPropType>::Clone() const
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{
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return (CBranchingNode*) new TTwoScalarPropNode<TPropType>(*this, true);
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}
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template<class TPropType>
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CTwoPropNode* TTwoScalarPropNode<TPropType>::CloneSelfWithoutChildren() const
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{
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return (CTwoPropNode*) new TTwoScalarPropNode<TPropType>(*this, false);
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}
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template<class TPropType>
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long TTwoScalarPropNode<TPropType>::GetSubType()
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{
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return EVAL_NODE_TYPE_TWO_SCALARS;
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}
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#pragma warning(default: 4800)
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