C++ (Cpp) CRUTbl::GetUIDsOfAllMVsUsingMe Examples

Example #1

File: RuCache.cpp Project: AlexPeng19/incubator-trafodion

void CRUCache::FetchNonInvolvedMVsMetadata()
{
	DSListPosition tpos = tableList_.GetHeadPosition();
	while (NULL != tpos) 
	{
		CRUTbl *pTbl = tableList_.GetNext(tpos);
		
		// Retrieve the table's private dependency list
		CDDUIDTripleList &privTblList = pTbl->GetUIDsOfAllMVsUsingMe();
			
		DSListPosition mvpos = privTblList.GetHeadPosition();
		while (NULL != mvpos)
		{
			CDDUIDTriple &uidt = privTblList.GetNext(mvpos);

			CRUMV *pMV = GetMV(uidt.objUID); 
			if (NULL == pMV)
			{
				// The MV is non-involved, fetch the DD object
				CDDMV *pddMV = GetDDMVByUID(uidt);

				// If the MV is not ON REQUEST, skip it
				if (CDDObject::eON_REQUEST != pddMV->GetRefreshType())
				{
					continue;
				}

				pMV = FetchSingleNonInvolvedMV(pddMV);
			}

			if (FALSE == pMV->IsInvolved())
			{
				// If the MV is involved, the pointer exists already
				pTbl->AddRefToUsingMV(pMV);
			}
		}
	}	
}