analyze only the current class

src/Metadata/AttributeMetadataFactory.php

@@ -138,6 +138,10 @@ private function getPropertyMetadataList(ReflectionClass $reflectionClass): arra
                 continue;
             }
 
+            if ($reflectionProperty->getDeclaringClass()->getName() !== $reflectionClass->getName()) {
+                continue;
+            }
+
             $fieldName = $this->getFieldName($reflectionProperty);
 
             if (array_key_exists($fieldName, $properties)) {

tests/Unit/Fixture/DistributionCreated.php

@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Patchlevel\Hydrator\Tests\Unit\Fixture;
+
+use DateTimeImmutable;
+
+final class DistributionCreated extends DomainEvent
+{
+    public function __construct(
+        DateTimeImmutable $distributionDate,
+    ) {
+        parent::__construct($distributionDate);
+    }
+}

tests/Unit/Fixture/DomainEvent.php

@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Patchlevel\Hydrator\Tests\Unit\Fixture;
+
+use DateTimeImmutable;
+
+abstract class DomainEvent
+{
+    public function __construct(
+        protected readonly DateTimeImmutable $recordedDate,
+    ) {
+    }
+
+    public function occurredOn(): DateTimeImmutable
+    {
+        return $this->recordedDate;
+    }
+}

tests/Unit/Metadata/AttributeMetadataFactoryTest.php

@@ -18,6 +18,7 @@
 use Patchlevel\Hydrator\Metadata\SubjectIdAndPersonalDataConflict;
 use Patchlevel\Hydrator\Normalizer\EnumNormalizer;
 use Patchlevel\Hydrator\Tests\Unit\Fixture\BrokenParentDto;
+use Patchlevel\Hydrator\Tests\Unit\Fixture\DistributionCreated;
 use Patchlevel\Hydrator\Tests\Unit\Fixture\DuplicateFieldNameDto;
 use Patchlevel\Hydrator\Tests\Unit\Fixture\Email;
 use Patchlevel\Hydrator\Tests\Unit\Fixture\EmailNormalizer;
@@ -249,6 +250,18 @@ public function testExtendsDuplicatedFieldName(): void
         $metadataFactory->metadata(BrokenParentDto::class);
     }
 
+    public function testBug70(): void
+    {
+        $metadataFactory = new AttributeMetadataFactory();
+        $metadata = $metadataFactory->metadata(DistributionCreated::class);
+
+        self::assertCount(1, $metadata->properties());
+
+        $property = $metadata->propertyForField('recordedDate');
+
+        self::assertSame('recordedDate', $property->propertyName());
+    }
+
     public function testSameClassDuplicatedFieldName(): void
     {
         $this->expectException(DuplicatedFieldNameInMetadata::class);