/**
* Use the parent field together with an auto generated name to generate the id
*
* {@inheritDoc}
*/
public function generate($document, ClassMetadata $class, DocumentManager $dm, $parent = null)
{
if (null === $parent) {
$parent = $class->parentMapping ? $class->getFieldValue($document, $class->parentMapping) : null;
}
$id = $class->getFieldValue($document, $class->identifier);
if (empty($id) && null === $parent) {
throw IdException::noIdNoParent($document, $class->parentMapping);
}
if (empty($parent)) {
return $id;
}
try {
$parentNode = $dm->getNodeForDocument($parent);
$existingNames = (array) $parentNode->getNodeNames();
} catch (RepositoryException $e) {
// this typically happens while cascading persisting documents
$existingNames = array();
}
$name = NodeHelper::generateAutoNodeName($existingNames, $dm->getPhpcrSession()->getWorkspace()->getNamespaceRegistry()->getNamespaces(), '', '');
return $this->buildName($document, $class, $dm, $parent, $name);
}
