/**
* Computes the changes of an association.
*
* @param AssociationMapping $mapping
* @param mixed $value The value of the association.
*/
private function _computeAssociationChanges($mapping, $value)
{
if ($value instanceof PersistentCollection && $value->isDirty()) {
$this->_visitedCollections[] = $value;
}
if (!$mapping['isCascadePersist']) {
return;
// "Persistence by reachability" only if persist cascade specified
}
// Look through the documents, and in any of their reference, for transient
// enities, recursively. ("Persistence by reachability")
if ($mapping['type'] === 'one') {
if ($value instanceof Proxy && !$value->__isInitialized__) {
return;
// Ignore uninitialized proxy objects
}
$value = array($value);
} elseif ($value instanceof PersistentCollection) {
$value = $value->unwrap();
}
$targetClass = $this->_dm->getClassMetadata($mapping['targetDocument']);
foreach ($value as $entry) {
$state = $this->getDocumentState($entry, self::STATE_NEW);
$oid = spl_object_hash($entry);
if ($state == self::STATE_NEW) {
if (isset($targetClass->lifecycleCallbacks[Events::prePersist])) {
$targetClass->invokeLifecycleCallbacks(Events::prePersist, $entry);
}
if ($this->_evm->hasListeners(Events::prePersist)) {
$this->_evm->dispatchEvent(Events::prePersist, new LifecycleEventArgs($entry, $this->_dm));
}
$this->_documentStates[$oid] = self::STATE_MANAGED;
$this->_documentInsertions[$oid] = $entry;
$this->computeChangeSet($targetClass, $entry);
} elseif ($state == self::STATE_REMOVED) {
throw MongoDBException::removedDocumentInCollectionDetected($entry, $mapping);
}
// MANAGED associated documents are already taken into account
// during changeset calculation anyway, since they are in the identity map.
}
}
