/**
* Returns the reference representation to be stored in mongodb or null if not applicable.
*
* @param ClassMetadata $class
* @param Document $doc
* @return array|null
*/
private function _prepareDocReference(ClassMetadata $class, $doc)
{
if (!is_object($doc)) {
return $doc;
}
$id = $this->_uow->getDocumentIdentifier($doc);
$ref = array('$ref' => $class->getCollection(), '$id' => $id, '$db' => $class->getDB());
return $ref;
}
/**
* Returns a DBRef array for the supplied document.
*
* @param mixed $document A document object
* @param array $referenceMapping Mapping for the field the references the document
*
* @return array A DBRef array
*/
public function createDBRef($document, array $referenceMapping = null)
{
$class = $this->getClassMetadata(get_class($document));
$id = $this->unitOfWork->getDocumentIdentifier($document);
$dbRef = array($this->cmd . 'ref' => $class->getCollection(), $this->cmd . 'id' => $class->getDatabaseIdentifierValue($id), $this->cmd . 'db' => $class->getDatabase());
// add a discriminator value if the referenced document is not mapped explicitely to a targetDocument
if ($referenceMapping && !isset($referenceMapping['targetDocument'])) {
$discriminatorField = isset($referenceMapping['discriminatorField']) ? $referenceMapping['discriminatorField'] : '_doctrine_class_name';
$discriminatorValue = isset($referenceMapping['discriminatorMap']) ? array_search($class->getName(), $referenceMapping['discriminatorMap']) : $class->getName();
$dbRef[$discriminatorField] = $discriminatorValue;
}
return $dbRef;
}
/**
* Returns a DBRef array for the supplied document.
*
* @param mixed $document A document object
* @param array $referenceMapping Mapping for the field the references the document
*
* @return array A DBRef array
*/
public function createDBRef($document, array $referenceMapping = null)
{
if (!is_object($document)) {
throw new \InvalidArgumentException('Cannot create a DBRef, the document is not an object');
}
$className = get_class($document);
$class = $this->getClassMetadata($className);
$id = $this->unitOfWork->getDocumentIdentifier($document);
$dbRef = array($this->cmd . 'ref' => $class->getCollection(), $this->cmd . 'id' => $class->getDatabaseIdentifierValue($id), $this->cmd . 'db' => $this->getDocumentDatabase($className)->getName());
if ($class->discriminatorField) {
$dbRef[$class->discriminatorField['name']] = $class->discriminatorValue;
}
// add a discriminator value if the referenced document is not mapped explicitely to a targetDocument
if ($referenceMapping && !isset($referenceMapping['targetDocument'])) {
$discriminatorField = isset($referenceMapping['discriminatorField']) ? $referenceMapping['discriminatorField'] : '_doctrine_class_name';
$discriminatorValue = isset($referenceMapping['discriminatorMap']) ? array_search($class->getName(), $referenceMapping['discriminatorMap']) : $class->getName();
$dbRef[$discriminatorField] = $discriminatorValue;
}
return $dbRef;
}