/**
* Gets the commit order.
*
* @return array
*/
private function _getCommitOrder(array $entityChangeSet = null)
{
if ($entityChangeSet === null) {
$entityChangeSet = array_merge($this->_entityInsertions, $this->_entityUpdates, $this->_entityDeletions);
}
// TODO: We can cache computed commit orders in the metadata cache!
// Check cache at this point here!
// See if there are any new classes in the changeset, that are not in the
// commit order graph yet (dont have a node).
$newNodes = array();
foreach ($entityChangeSet as $entity) {
$className = get_class($entity);
if (!$this->_commitOrderCalculator->hasNodeWithKey($className)) {
$this->_commitOrderCalculator->addNodeWithItem($className, $this->_em->getClassMetadata($className));
$newNodes[] = $this->_commitOrderCalculator->getNodeForKey($className);
}
}
// Calculate dependencies for new nodes
foreach ($newNodes as $node) {
$class = $node->getClass();
foreach ($class->associationMappings as $assocMapping) {
//TODO: should skip target classes that are not in the changeset.
if ($assocMapping->isOwningSide) {
$targetClass = $this->_em->getClassMetadata($assocMapping->targetEntityName);
$targetClassName = $targetClass->name;
// If the target class does not yet have a node, create it
if (!$this->_commitOrderCalculator->hasNodeWithKey($targetClassName)) {
$this->_commitOrderCalculator->addNodeWithItem($targetClassName, $targetClass);
}
// add dependency
$otherNode = $this->_commitOrderCalculator->getNodeForKey($targetClassName);
$otherNode->before($node);
}
}
}
return $this->_commitOrderCalculator->getCommitOrder();
}
