Add native types to EntityHydrator

lib/Doctrine/ORM/Cache/DefaultEntityHydrator.php

@@ -21,36 +21,20 @@
  */
 class DefaultEntityHydrator implements EntityHydrator
 {
-    /** @var EntityManagerInterface */
-    private $em;
-
-    /** @var UnitOfWork */
-    private $uow;
-
-    /**
-     * The IdentifierFlattener used for manipulating identifiers
-     *
-     * @var IdentifierFlattener
-     */
-    private $identifierFlattener;
+    private UnitOfWork $uow;
+    private IdentifierFlattener $identifierFlattener;
 
     /** @var array<string,mixed> */
-    private static $hints = [Query::HINT_CACHE_ENABLED => true];
+    private static array $hints = [Query::HINT_CACHE_ENABLED => true];
 
-    /**
-     * @param EntityManagerInterface $em The entity manager.
-     */
-    public function __construct(EntityManagerInterface $em)
-    {
-        $this->em                  = $em;
+    public function __construct(
+        private EntityManagerInterface $em
+    ) {
         $this->uow                 = $em->getUnitOfWork();
         $this->identifierFlattener = new IdentifierFlattener($em->getUnitOfWork(), $em->getMetadataFactory());
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function buildCacheEntry(ClassMetadata $metadata, EntityCacheKey $key, $entity)
+    public function buildCacheEntry(ClassMetadata $metadata, EntityCacheKey $key, object $entity): EntityCacheEntry
     {
         $data = $this->uow->getOriginalEntityData($entity);
         $data = array_merge($data, $metadata->getIdentifierValues($entity)); // why update has no identifier values ?
@@ -139,10 +123,7 @@ public function buildCacheEntry(ClassMetadata $metadata, EntityCacheKey $key, $e
         return new EntityCacheEntry($metadata->name, $data);
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function loadCacheEntry(ClassMetadata $metadata, EntityCacheKey $key, EntityCacheEntry $entry, $entity = null)
+    public function loadCacheEntry(ClassMetadata $metadata, EntityCacheKey $key, EntityCacheEntry $entry, ?object $entity = null): ?object
     {
         $data  = $entry->data;
         $hints = self::$hints;

lib/Doctrine/ORM/Cache/EntityHydrator.php

@@ -15,18 +15,14 @@ interface EntityHydrator
      * @param ClassMetadata  $metadata The entity metadata.
      * @param EntityCacheKey $key      The entity cache key.
      * @param object         $entity   The entity.
-     *
-     * @return EntityCacheEntry
      */
-    public function buildCacheEntry(ClassMetadata $metadata, EntityCacheKey $key, $entity);
+    public function buildCacheEntry(ClassMetadata $metadata, EntityCacheKey $key, object $entity): EntityCacheEntry;
 
     /**
      * @param ClassMetadata    $metadata The entity metadata.
      * @param EntityCacheKey   $key      The entity cache key.
      * @param EntityCacheEntry $entry    The entity cache entry.
      * @param object|null      $entity   The entity to load the cache into. If not specified, a new entity is created.
-     *
-     * @return object|null
      */
-    public function loadCacheEntry(ClassMetadata $metadata, EntityCacheKey $key, EntityCacheEntry $entry, $entity = null);
+    public function loadCacheEntry(ClassMetadata $metadata, EntityCacheKey $key, EntityCacheEntry $entry, ?object $entity = null): ?object;
 }

tests/Doctrine/Tests/ORM/Cache/DefaultEntityHydratorTest.php

@@ -10,8 +10,8 @@
 use Doctrine\ORM\Cache\EntityCacheEntry;
 use Doctrine\ORM\Cache\EntityCacheKey;
 use Doctrine\ORM\Cache\EntityHydrator;
-use Doctrine\ORM\EntityManagerInterface;
 use Doctrine\ORM\UnitOfWork;
+use Doctrine\Tests\Mocks\EntityManagerMock;
 use Doctrine\Tests\Models\Cache\Country;
 use Doctrine\Tests\Models\Cache\State;
 use Doctrine\Tests\OrmTestCase;
@@ -21,11 +21,8 @@
  */
 class DefaultEntityHydratorTest extends OrmTestCase
 {
-    /** @var EntityHydrator */
-    private $structure;
-
-    /** @var EntityManagerInterface */
-    private $em;
+    private DefaultEntityHydrator $structure;
+    private EntityManagerMock $em;
 
     protected function setUp(): void
     {
@@ -37,7 +34,7 @@ protected function setUp(): void
 
     public function testImplementsEntityEntryStructure(): void
     {
-        self::assertInstanceOf('\Doctrine\ORM\Cache\EntityHydrator', $this->structure);
+        self::assertInstanceOf(EntityHydrator::class, $this->structure);
     }
 
     public function testCreateEntity(): void