// Utility to release all old OMObjects from the given container.
AAFRESULT ImplAAFRefContainerValue::ReleaseAllObjects(OMReferenceContainer *pContainerProperty)
{
ASSERTU(pContainerProperty && usesReferenceCounting());
OMReferenceContainerIterator* containerIter = pContainerProperty->createIterator();
if (NULL == containerIter)
return AAFRESULT_NOMEMORY;
AAFRESULT result = AAFRESULT_SUCCESS;
while (AAFRESULT_SUCCEEDED(result) && (containerIter->before() || containerIter->valid()))
{
if (++(*containerIter))
{
OMObject *object = containerIter->currentObject();
ImplAAFStorable *obj = dynamic_cast<ImplAAFStorable*>(object);
ASSERTU(NULL != obj);
if (NULL == obj)
{
result = AAFRESULT_INVALID_OBJ;
}
else
{
obj->ReleaseReference();
}
}
}
delete containerIter;
containerIter = NULL;
return AAFRESULT_SUCCESS;
}
//
// WriteTo
//
AAFRESULT STDMETHODCALLTYPE ImplAAFRefArrayValue::WriteTo(
OMProperty* pOmProp)
{
AAFRESULT result = AAFRESULT_SUCCESS;
OMObject* object;
ImplAAFStorable* obj;
if (NULL == property())
{
// First empty the current property.
OMContainerProperty * pNewContainerProperty = dynamic_cast<OMContainerProperty *>(pOmProp);
if (NULL == pNewContainerProperty)
return AAFRESULT_INVALID_OBJ;
OMReferenceContainer *pNewReferenceContainer = pNewContainerProperty->referenceContainer();
if (NULL == pNewReferenceContainer)
return AAFRESULT_INVALID_OBJ;
if (usesReferenceCounting())
{
result = ReleaseAllObjects(pNewReferenceContainer);
if (AAFRESULT_FAILED(result))
return result;
}
// Make sure that there are no elements in the new property container.
pNewReferenceContainer->removeAllObjects();
// Install the new "empty" container property.
SetProperty(pOmProp);
OMReferenceContainerIterator* tempIterator = _tempStorableVector->createIterator();
if (NULL == tempIterator)
{
result = AAFRESULT_NOMEMORY;
}
else
{
while (AAFRESULT_SUCCEEDED(result) && (tempIterator->before() || tempIterator->valid()))
{
if (++(*tempIterator))
{
object = tempIterator->currentObject();
obj = dynamic_cast<ImplAAFStorable*>(object);
ASSERTU(NULL != obj);
if (NULL == obj)
{
result = AAFRESULT_INVALID_OBJ;
}
else
{
// if (usesReferenceCounting())
// {
// obj->detach();
// }
// Add the element from the temporary property container to the property.
result = InsertObject(obj); // reference counts if necessary...
if (AAFRESULT_SUCCEEDED(result))
{
if (usesReferenceCounting())
{
obj->ReleaseReference();
}
}
}
}
}
delete tempIterator;
tempIterator = NULL;
}
// Cleanup the temporary property now the the the pOmProp has been created and initialized.
delete _tempStorableVector;
_tempStorableVector = NULL;
if (AAFRESULT_FAILED(result))
return result;
}
return (ImplAAFRefContainerValue::WriteTo(pOmProp));
}
