/**
* @param IRepository
* @return IManyToManyMapper
*/
public final function getMapper(IRepository $parentRepository)
{
$model = $parentRepository->getModel();
$hash = spl_object_hash($model);
$repoClass = get_class($parentRepository);
if (!isset($this->mappers[$hash][$repoClass])) {
$childRepository = $model->getRepository($this->getChildRepository());
$mapped = $this->getWhereIsMapped();
if ($mapped === RelationshipMetaDataToMany::MAPPED_HERE or $mapped === RelationshipMetaDataToMany::MAPPED_BOTH) {
$repoMapper = $parentRepository->getMapper();
$mapper = $repoMapper->createManyToManyMapper($this->getParentParam(), $childRepository, $this->getChildParam());
} else {
if ($mapped === RelationshipMetaDataToMany::MAPPED_THERE) {
$repoMapper = $childRepository->getMapper();
$mapper = $repoMapper->createManyToManyMapper($this->getChildParam(), $parentRepository, $this->getParentParam());
}
}
if (!$mapper instanceof IManyToManyMapper) {
throw new BadReturnException(array($repoMapper, 'createManyToManyMapper', 'Orm\\IManyToManyMapper', $mapper));
}
$mapper->attach($this);
$this->mappers[$hash][$repoClass] = $mapper;
}
return $this->mappers[$hash][$repoClass];
}
/**
* @param IRepository
* @return string
*/
public function getTable(IRepository $repository)
{
$helper = $repository->getModel()->getContext()->getService('repositoryHelper', 'Orm\\RepositoryHelper');
return str_replace('\\', '_', strtolower($helper->normalizeRepository($repository)));
}