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15 * This software consists of voluntary contributions made by many individuals
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17 * <http://www.doctrine-project.org>.
20 namespace Doctrine\Common\Persistence;
23 * Contract for a Doctrine persistence layer ObjectRepository class to implement.
25 * @link www.doctrine-project.org
27 * @author Benjamin Eberlei <kontakt@beberlei.de>
28 * @author Jonathan Wage <jonwage@gmail.com>
30 interface ObjectRepository
33 * Finds an object by its primary key / identifier.
35 * @param mixed $id The identifier.
37 * @return object|null The object.
39 public function find($id);
42 * Finds all objects in the repository.
44 * @return array The objects.
46 public function findAll();
49 * Finds objects by a set of criteria.
51 * Optionally sorting and limiting details can be passed. An implementation may throw
52 * an UnexpectedValueException if certain values of the sorting or limiting details are
55 * @param array $criteria
56 * @param array|null $orderBy
57 * @param int|null $limit
58 * @param int|null $offset
60 * @return array The objects.
62 * @throws \UnexpectedValueException
64 public function findBy(array $criteria, array $orderBy = null, $limit = null, $offset = null);
67 * Finds a single object by a set of criteria.
69 * @param array $criteria The criteria.
71 * @return object|null The object.
73 public function findOneBy(array $criteria);
76 * Returns the class name of the object managed by the repository.
80 public function getClassName();