/**
Lookup the instance representation, given keys provided from CIMOM
\param[in] keys SCXInstance with property keys set
\returns Pointer to located instance
\throws SCXInvalidArgumentException
\throws SCXInternalErrorException
\throws SCXCIMInstanceNotFound The instance with given keys cannot be found
This method knows which the key properties of the entity are and returns
pointer to that item if found.
*/
SCXCoreLib::SCXHandle<SCXSystemLib::CPUInstance> CPUProvider::FindInstance(const SCXInstance& keys) const // private
{
// Start by extracting all key properties
const SCXProperty& nameprop = GetKeyRef(L"Name", keys);
for(size_t i=0; i<m_cpus->Size(); i++)
{
SCXCoreLib::SCXHandle<SCXSystemLib::CPUInstance> testinst = m_cpus->GetInstance(i);
// Compare key values of input args and the current instance
if (testinst->GetProcName() == nameprop.GetStrValue())
{
// Match
return testinst;
}
}
// As last resort, check if we the request is for the _Total instance
if (m_cpus->GetTotalInstance() != 0 )
{
SCXCoreLib::SCXHandle<SCXSystemLib::CPUInstance> testinst = m_cpus->GetTotalInstance();
if (testinst->GetProcName() == nameprop.GetStrValue())
{
return testinst;
}
}
throw SCXCIMInstanceNotFound(keys.DumpString(), SCXSRCLOCATION);
}
/**
Add a SCXInstance with the name property set frmo the CPUInstance to the collection
\param[in] cpuinst CPU instance to get data from
\param[out] inst Instance to add keys to
\throws SCXInvalidArgumentException - The instance can not be converted to a CPUInstance
This method contains knowledge on which are the key fields for the class.
The key properties are defined in the MOF file.
*/
void CPUProvider::AddKeys(SCXCoreLib::SCXHandle<SCXSystemLib::CPUInstance> cpuinst, SCXInstance &inst) // private
{
SCX_LOGTRACE(m_log, L"CPUProvider AddKeys()");
if (cpuinst == NULL)
{
throw SCXInvalidArgumentException(L"einst", L"Not a CPUInstance", SCXSRCLOCATION);
}
SCXProperty name_prop(L"Name", cpuinst->GetProcName());
inst.AddKey(name_prop);
}