doctrine · greg0ire · May 17, 2022 · May 12, 2022
diff --git a/docs/en/reference/namingstrategy.rst b/docs/en/reference/namingstrategy.rst
@@ -110,28 +110,28 @@ You need to create a class which implements ``Doctrine\ORM\Mapping\NamingStrateg
     <?php
     class MyAppNamingStrategy implements NamingStrategy
     {
-        public function classToTableName($className)
+        public function classToTableName(string $className): string
         {
             return 'MyApp_' . substr($className, strrpos($className, '\\') + 1);
         }
-        public function propertyToColumnName($propertyName)
+        public function propertyToColumnName(string $propertyName): string
         {
             return $propertyName;
         }
-        public function referenceColumnName()
+        public function referenceColumnName(): string
         {
             return 'id';
         }
-        public function joinColumnName($propertyName, $className = null)
+        public function joinColumnName(string $propertyName, ?string $className = null): string
         {
             return $propertyName . '_' . $this->referenceColumnName();
         }
-        public function joinTableName($sourceEntity, $targetEntity, $propertyName = null)
+        public function joinTableName(string $sourceEntity, string $targetEntity, string $propertyName): string
         {
             return strtolower($this->classToTableName($sourceEntity) . '_' .
                     $this->classToTableName($targetEntity));
         }
-        public function joinKeyColumnName($entityName, $referencedColumnName = null)
+        public function joinKeyColumnName(string $entityName, ?string $referencedColumnName): string
         {
             return strtolower($this->classToTableName($entityName) . '_' .
                     ($referencedColumnName ?: $this->referenceColumnName()));

diff --git a/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php b/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php
@@ -3325,6 +3325,8 @@ public function inlineEmbeddable($property, ClassMetadataInfo $embeddable)
             if (! empty($this->embeddedClasses[$property]['columnPrefix'])) {
                 $fieldMapping['columnName'] = $this->embeddedClasses[$property]['columnPrefix'] . $fieldMapping['columnName'];
             } elseif ($this->embeddedClasses[$property]['columnPrefix'] !== false) {
+                assert($this->reflClass !== null);
+                assert($embeddable->reflClass !== null);
                 $fieldMapping['columnName'] = $this->namingStrategy
                     ->embeddedFieldToColumnName(
                         $property,

diff --git a/lib/Doctrine/ORM/Mapping/DefaultNamingStrategy.php b/lib/Doctrine/ORM/Mapping/DefaultNamingStrategy.php
@@ -16,10 +16,7 @@
  */
 class DefaultNamingStrategy implements NamingStrategy
 {
-    /**
-     * {@inheritdoc}
-     */
-    public function classToTableName($className)
+    public function classToTableName(string $className): string
     {
         if (str_contains($className, '\\')) {
             return substr($className, strrpos($className, '\\') + 1);
@@ -28,55 +25,48 @@ public function classToTableName($className)
         return $className;
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function propertyToColumnName($propertyName, $className = null)
+    public function propertyToColumnName(string $propertyName, string $className): string
     {
         return $propertyName;
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function embeddedFieldToColumnName($propertyName, $embeddedColumnName, $className = null, $embeddedClassName = null)
-    {
+    public function embeddedFieldToColumnName(
+        string $propertyName,
+        string $embeddedColumnName,
+        string $className,
+        string $embeddedClassName,
+    ): string {
         return $propertyName . '_' . $embeddedColumnName;
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function referenceColumnName()
+    public function referenceColumnName(): string
     {
         return 'id';
     }
 
     /**
      * {@inheritdoc}
      *
-     * @param string       $propertyName
      * @param class-string $className
      */
-    public function joinColumnName($propertyName, $className = null)
+    public function joinColumnName(string $propertyName, ?string $className = null): string
     {
         return $propertyName . '_' . $this->referenceColumnName();
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function joinTableName($sourceEntity, $targetEntity, $propertyName = null)
-    {
+    public function joinTableName(
+        string $sourceEntity,
+        string $targetEntity,
+        string $propertyName,
+    ): string {
         return strtolower($this->classToTableName($sourceEntity) . '_' .
             $this->classToTableName($targetEntity));
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function joinKeyColumnName($entityName, $referencedColumnName = null)
-    {
+    public function joinKeyColumnName(
+        string $entityName,
+        ?string $referencedColumnName,
+    ): string {
         return strtolower($this->classToTableName($entityName) . '_' .
             ($referencedColumnName ?: $this->referenceColumnName()));
     }

diff --git a/lib/Doctrine/ORM/Mapping/NamingStrategy.php b/lib/Doctrine/ORM/Mapping/NamingStrategy.php
@@ -15,64 +15,46 @@ interface NamingStrategy
      * Returns a table name for an entity class.
      *
      * @param class-string $className
-     *
-     * @return string A table name.
      */
-    public function classToTableName($className);
+    public function classToTableName(string $className): string;
 
     /**
      * Returns a column name for a property.
      *
-     * @param string       $propertyName A property name.
-     * @param class-string $className    The fully-qualified class name.
-     *
-     * @return string A column name.
+     * @param class-string $className
      */
-    public function propertyToColumnName($propertyName, $className = null);
+    public function propertyToColumnName(string $propertyName, string $className): string;
 
     /**
      * Returns a column name for an embedded property.
      *
-     * @param string       $propertyName
-     * @param string       $embeddedColumnName
      * @param class-string $className
      * @param class-string $embeddedClassName
-     *
-     * @return string
      */
     public function embeddedFieldToColumnName(
-        $propertyName,
-        $embeddedColumnName,
-        $className = null,
-        $embeddedClassName = null
-    );
+        string $propertyName,
+        string $embeddedColumnName,
+        string $className,
+        string $embeddedClassName,
+    ): string;
 
     /**
      * Returns the default reference column name.
-     *
-     * @return string A column name.
      */
-    public function referenceColumnName();
+    public function referenceColumnName(): string;
 
     /**
      * Returns a join column name for a property.
-     *
-     * @param string $propertyName A property name.
-     *
-     * @return string A join column name.
      */
-    public function joinColumnName($propertyName/*, $className = null */);
+    public function joinColumnName(string $propertyName/*, $className = null */): string;
 
     /**
      * Returns a join table name.
      *
-     * @param class-string $sourceEntity The source entity.
-     * @param class-string $targetEntity The target entity.
-     * @param string       $propertyName A property name.
-     *
-     * @return string A join table name.
+     * @param class-string $sourceEntity
+     * @param class-string $targetEntity
      */
-    public function joinTableName($sourceEntity, $targetEntity, $propertyName = null);
+    public function joinTableName(string $sourceEntity, string $targetEntity, string $propertyName): string;
 
     /**
      * Returns the foreign key column name for the given parameters.
@@ -82,8 +64,6 @@ public function joinTableName($sourceEntity, $targetEntity, $propertyName = null
      *                                           case of a self-referencing
      *                                           entity with join columns
      *                                           defined in the mapping
-     *
-     * @return string A join column name.
      */
-    public function joinKeyColumnName($entityName, $referencedColumnName = null);
+    public function joinKeyColumnName(string $entityName, ?string $referencedColumnName): string;
 }
diff --git a/lib/Doctrine/ORM/Mapping/UnderscoreNamingStrategy.php b/lib/Doctrine/ORM/Mapping/UnderscoreNamingStrategy.php
@@ -22,44 +22,36 @@
  */
 class UnderscoreNamingStrategy implements NamingStrategy
 {
-    /** @var int */
-    private $case;
+    private int $case;
 
     /**
      * Underscore naming strategy construct.
      *
      * @param int $case CASE_LOWER | CASE_UPPER
      */
-    public function __construct($case = CASE_LOWER)
+    public function __construct(int $case = CASE_LOWER)
     {
         $this->case = $case;
     }
 
     /**
      * @return int CASE_LOWER | CASE_UPPER
      */
-    public function getCase()
+    public function getCase(): int
     {
         return $this->case;
     }
 
     /**
      * Sets string case CASE_LOWER | CASE_UPPER.
      * Alphabetic characters converted to lowercase or uppercase.
-     *
-     * @param int $case
-     *
-     * @return void
      */
-    public function setCase($case)
+    public function setCase(int $case): void
     {
         $this->case = $case;
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function classToTableName($className)
+    public function classToTableName(string $className): string
     {
         if (str_contains($className, '\\')) {
             $className = substr($className, strrpos($className, '\\') + 1);
@@ -68,54 +60,47 @@ public function classToTableName($className)
         return $this->underscore($className);
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function propertyToColumnName($propertyName, $className = null)
+    public function propertyToColumnName(string $propertyName, string $className): string
     {
         return $this->underscore($propertyName);
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function embeddedFieldToColumnName($propertyName, $embeddedColumnName, $className = null, $embeddedClassName = null)
-    {
+    public function embeddedFieldToColumnName(
+        string $propertyName,
+        string $embeddedColumnName,
+        string $className,
+        string $embeddedClassName,
+    ): string {
         return $this->underscore($propertyName) . '_' . $embeddedColumnName;
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function referenceColumnName()
+    public function referenceColumnName(): string
     {
         return $this->case === CASE_UPPER ?  'ID' : 'id';
     }
 
     /**
      * {@inheritdoc}
      *
-     * @param string       $propertyName
      * @param class-string $className
      */
-    public function joinColumnName($propertyName, $className = null)
+    public function joinColumnName(string $propertyName, ?string $className = null): string
     {
         return $this->underscore($propertyName) . '_' . $this->referenceColumnName();
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function joinTableName($sourceEntity, $targetEntity, $propertyName = null)
-    {
+    public function joinTableName(
+        string $sourceEntity,
+        string $targetEntity,
+        string $propertyName,
+    ): string {
         return $this->classToTableName($sourceEntity) . '_' . $this->classToTableName($targetEntity);
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function joinKeyColumnName($entityName, $referencedColumnName = null)
-    {
+    public function joinKeyColumnName(
+        string $entityName,
+        ?string $referencedColumnName
+    ): string {
         return $this->classToTableName($entityName) . '_' .
                 ($referencedColumnName ?: $this->referenceColumnName());
     }

diff --git a/tests/Doctrine/Tests/ORM/Mapping/ClassMetadataTest.php b/tests/Doctrine/Tests/ORM/Mapping/ClassMetadataTest.php
@@ -1128,10 +1128,7 @@ class DDC2700MappedSuperClass
 
 class MyNamespacedNamingStrategy extends DefaultNamingStrategy
 {
-    /**
-     * {@inheritdoc}
-     */
-    public function classToTableName($className)
+    public function classToTableName(string $className): string
     {
         if (str_contains($className, '\\')) {
             $className = str_replace('\\', '_', str_replace('Doctrine\Tests\Models\\', '', $className));
@@ -1143,10 +1140,7 @@ public function classToTableName($className)
 
 class MyPrefixNamingStrategy extends DefaultNamingStrategy
 {
-    /**
-     * {@inheritdoc}
-     */
-    public function propertyToColumnName($propertyName, $className = null)
+    public function propertyToColumnName(string $propertyName, string $className): string
     {
         return strtolower($this->classToTableName($className)) . '_' . $propertyName;
     }

diff --git a/tests/Doctrine/Tests/ORM/Mapping/NamingStrategy/JoinColumnClassNamingStrategy.php b/tests/Doctrine/Tests/ORM/Mapping/NamingStrategy/JoinColumnClassNamingStrategy.php
@@ -13,10 +13,7 @@
  */
 class JoinColumnClassNamingStrategy extends DefaultNamingStrategy
 {
-    /**
-     * {@inheritdoc}
-     */
-    public function joinColumnName($propertyName, $className = null)
+    public function joinColumnName(string $propertyName, ?string $className = null): string
     {
         return strtolower($this->classToTableName($className))
             . '_' . $propertyName

diff --git a/tests/Doctrine/Tests/ORM/Mapping/NamingStrategyTest.php b/tests/Doctrine/Tests/ORM/Mapping/NamingStrategyTest.php
@@ -176,7 +176,7 @@ public function testJoinColumnName(
     /**
      * Data Provider for NamingStrategy#joinTableName
      *
-     * @return array<array{NamingStrategy, string, string, string|null}>
+     * @return array<array{NamingStrategy, string, string, string}>
      */
     public static function dataJoinTableName(): array
     {