int GroupTagSubscription::getHistoryRequest (const char * pszGroupName, PtrLList<HistoryRequest> &historyRequest)
{
UInt32Hashtable<TagInfo>::Iterator i = _ui16Tags.getAllElements();
TagInfo *pTI;
History *pHistory;
while (!i.end()) {
pTI = i.getValue();
pHistory = pTI->pHistory;
if (pHistory) {
if (pHistory->isExpired()) {
delete pHistory;
pHistory = NULL;
}
else {
HistoryRequestGroupTag * pReq = new HistoryRequestGroupTag;
pReq->_pHistory = pTI->pHistory;
pReq->_pszGroupName = pszGroupName;
pReq->_ui16Tag = (uint16) i.getKey();
historyRequest.prepend(pReq);
}
}
i.nextElement();
}
return 0;
}
bool GroupTagSubscription::hasHistory()
{
UInt32Hashtable<TagInfo>::Iterator i = _ui16Tags.getAllElements();
TagInfo *pTI;
History *pHistory;
while (!i.end()) {
pTI = i.getValue();
pHistory = pTI->pHistory;
if (pHistory) {
if (pHistory->isExpired()) {
delete pHistory;
pHistory = NULL;
}
else {
return true;
}
}
i.nextElement();
}
return false;
}
