bool KST::deleteDependents(KstVectorPtr vectorFor) {
KST::dataObjectList.lock().readLock();
KstDataObjectList dol = QDeepCopy<KstDataObjectList>(KST::dataObjectList);
KST::dataObjectList.lock().readUnlock();
for (KstDataObjectList::Iterator i = dol.begin(); i != dol.end(); ++i) {
bool user = (*i)->uses(vectorFor);
if (user) {
KstDataObjectPtr dop = *i;
KST::dataObjectList.lock().writeLock();
KST::dataObjectList.remove(dop);
KST::dataObjectList.lock().writeUnlock();
dop->deleteDependents();
}
}
return true;
}
bool KstDataObject::deleteDependents() {
KstDataObjectList dol;
KstDataObjectList::iterator i;
KST::dataObjectList.lock().readLock();
dol = KST::dataObjectList;
KST::dataObjectList.lock().unlock();
for (i = dol.begin(); i != dol.end(); ++i) {
bool user = (*i)->uses(KstObjectPtr(this));
if (!user) {
for (KstVectorMap::Iterator j = _outputVectors.begin(); !user && j != _outputVectors.end(); ++j) {
user = (*i)->uses(KstObjectPtr((*j).data()));
}
for (KstScalarMap::Iterator j = _outputScalars.begin(); !user && j != _outputScalars.end(); ++j) {
user = (*i)->uses(KstObjectPtr((*j).data()));
}
for (KstStringMap::Iterator j = _outputStrings.begin(); !user && j != _outputStrings.end(); ++j) {
user = (*i)->uses(KstObjectPtr((*j).data()));
}
}
if (user) {
KstDataObjectPtr dop = *i;
KST::dataObjectList.lock().writeLock();
KST::dataObjectList.erase(i);
KST::dataObjectList.lock().unlock();
dop->deleteDependents();
}
}
return true;
}