/**
* Saves any unsaved changes in this context and it's Managed Objects into the Persistent Store
*
* @see MManagedObjectContext::hasChanges()
*
* @return bool Whether or not the save was successful
*/
public function save()
{
if ($this->hasChanges()) {
$saveRequest = new MSaveRequest($this);
$insertedObjects = new MMutableArray();
$updatedObjects = new MMutableArray();
foreach ($this->managedObjects()->toArray() as $object) {
if ($object->hasChanges()) {
if ($object->objectID() == MManagedObject::UNKNOWN_ID) {
$insertedObjects->addObject($object);
} else {
$updatedObjects->addObject($object);
}
}
}
$saveRequest->setInsertManagedObjects($insertedObjects);
$saveRequest->setUpdateManagedObjects($updatedObjects);
$saveRequest->setDeleteManagedObjects($this->deletedObjects());
$affectedObjects = $this->persistentStoreCoordinator()->executeRequest($saveRequest);
foreach ($affectedObjects->toArray() as $object) {
if (!$this->deletedObjects->removeObject($object)) {
$object->persistChanges();
}
}
return true;
} else {
return false;
}
}
/**
* @internal
*
* @return MArray
*/
protected function executeSaveRequest(MSaveRequest $request)
{
$affectedObjects = new MMutableArray();
// Save new objects
foreach ($request->insertManagedObjects()->toArray() as $object) {
$this->saveManagedObject($object);
$affectedObjects->addObject($object);
}
// Save updated objects
foreach ($request->updateManagedObjects()->toArray() as $object) {
$this->saveManagedObject($object);
$affectedObjects->addObject($object);
}
// Remove deleted objects
foreach ($request->deleteManagedObjects()->toArray() as $object) {
$this->deleteManagedObject($object);
$affectedObjects->addObject($object);
}
return $affectedObjects;
}
