/**
  * {@inheritdoc}
  */
 public function findAll(array $options = [])
 {
     $targets = MappingProviderInterface::STUDY;
     $mapping = $this->mapper->getMappingKeys($targets);
     $studyData = $this->connection->createQueryBuilder()->select($mapping)->from('vbee_study')->execute()->fetchAll(\PDO::FETCH_NUM);
     return $studyData !== false ? $this->hydrator->hydrate($studyData, $targets, 'vbee_study') : null;
 }
 /**
  * {@inheritdoc}
  */
 public function findAll()
 {
     $targets = MappingProviderInterface::PERSON;
     $mapping = $this->mapper->getMappingKeys($targets);
     $personData = $this->connection->createQueryBuilder()->select($mapping)->from('vbee_person')->execute()->fetchAll(\PDO::FETCH_NUM);
     return $personData !== false ? $this->hydrator->hydrate($personData, $targets, 'vbee_person') : null;
 }