/**
* Checks that the current field includes a reference to the supplied document.
*/
public function includesReferenceTo($document)
{
if ($this->currentField) {
$mapping = $this->class->getFieldMapping($this->currentField);
$dbRef = $this->dm->createDBRef($document, $mapping);
if (isset($mapping['simple']) && $mapping['simple']) {
$this->query[$mapping['name']]['$elemMatch'] = $dbRef;
} else {
$keys = array('ref' => true, 'id' => true, 'db' => true);
if (isset($mapping['targetDocument'])) {
unset($keys['ref'], $keys['db']);
}
foreach ($keys as $key => $value) {
$this->query[$this->currentField]['$elemMatch']['$' . $key] = $dbRef['$' . $key];
}
}
} else {
$dbRef = $this->dm->createDBRef($document);
$this->query['$elemMatch'] = $dbRef;
}
return $this;
}
/**
* @param ClassMetadata $class
* @return array
*/
private function prepareIndexes(ClassMetadata $class)
{
$persister = $this->dm->getUnitOfWork()->getDocumentPersister($class->name);
$indexes = $class->getIndexes();
$newIndexes = array();
foreach ($indexes as $index) {
$newIndex = array('keys' => array(), 'options' => $index['options']);
foreach ($index['keys'] as $key => $value) {
$key = $persister->prepareFieldName($key);
if ($class->hasField($key)) {
$mapping = $class->getFieldMapping($key);
$newIndex['keys'][$mapping['name']] = $value;
} else {
$newIndex['keys'][$key] = $value;
}
}
$newIndexes[] = $newIndex;
}
return $newIndexes;
}
