Use cakephp/database ForeignKey as a base class

src/Db/Action/AddForeignKey.php

@@ -56,8 +56,8 @@ public static function build(
             $referencedColumns = [$referencedColumns]; // str to array
         }
 
-        if (is_string($referencedTable)) {
-            $referencedTable = new TableMetadata($referencedTable);
+        if ($referencedTable instanceof TableMetadata) {
+            $referencedTable = $referencedTable->getName();
         }
 
         // Shimming old 4.x
@@ -66,15 +66,13 @@ public static function build(
             unset($options['constraint']);
         }
 
-        $fk = new ForeignKey();
-        $fk->setReferencedTable($referencedTable)
-           ->setColumns($columns)
-           ->setReferencedColumns($referencedColumns)
-           ->setOptions($options);
-
-        if ($name !== null) {
-            $fk->setName($name);
-        }
+        $fk = new ForeignKey(
+            name: $name ?? '',
+            columns: (array)$columns,
+            referencedTable: $referencedTable,
+            referencedColumns: $referencedColumns,
+        );
+        $fk->setOptions($options);
 
         return new AddForeignKey($table, $fk);
     }

src/Db/Adapter/MysqlAdapter.php

@@ -1085,7 +1085,7 @@ protected function getForeignKeySqlDefinition(ForeignKey $foreignKey): string
         foreach ($foreignKey->getReferencedColumns() as $column) {
             $refColumnNames[] = $this->quoteColumnName($column);
         }
-        $def .= ' REFERENCES ' . $this->quoteTableName($foreignKey->getReferencedTable()->getName()) . ' (' . implode(',', $refColumnNames) . ')';
+        $def .= ' REFERENCES ' . $this->quoteTableName($foreignKey->getReferencedTable()) . ' (' . implode(',', $refColumnNames) . ')';
         $onDelete = $foreignKey->getOnDelete();
         if ($onDelete) {
             $def .= ' ON DELETE ' . $onDelete;

src/Db/Adapter/PostgresAdapter.php

@@ -925,7 +925,7 @@ protected function getForeignKeySqlDefinition(ForeignKey $foreignKey, string $ta
         );
         $def = ' CONSTRAINT ' . $this->quoteColumnName($constraintName) .
         ' FOREIGN KEY ("' . implode('", "', $foreignKey->getColumns()) . '")' .
-        " REFERENCES {$this->quoteTableName($foreignKey->getReferencedTable()->getName())} (\"" .
+        " REFERENCES {$this->quoteTableName($foreignKey->getReferencedTable())} (\"" .
         implode('", "', $foreignKey->getReferencedColumns()) . '")';
         if ($foreignKey->getOnDelete()) {
             $def .= " ON DELETE {$foreignKey->getOnDelete()}";

src/Db/Adapter/SqliteAdapter.php

@@ -1676,7 +1676,7 @@ protected function getForeignKeySqlDefinition(ForeignKey $foreignKey): string
         foreach ($foreignKey->getReferencedColumns() as $column) {
             $refColumnNames[] = $this->quoteColumnName($column);
         }
-        $def .= ' REFERENCES ' . $this->quoteTableName($foreignKey->getReferencedTable()->getName()) . ' (' . implode(',', $refColumnNames) . ')';
+        $def .= ' REFERENCES ' . $this->quoteTableName($foreignKey->getReferencedTable()) . ' (' . implode(',', $refColumnNames) . ')';
         if ($foreignKey->getOnDelete()) {
             $def .= ' ON DELETE ' . $foreignKey->getOnDelete();
         }

src/Db/Adapter/SqlserverAdapter.php

@@ -849,7 +849,7 @@ protected function getForeignKeySqlDefinition(ForeignKey $foreignKey, string $ta
 
         $def = ' CONSTRAINT ' . $this->quoteColumnName($constraintName);
         $def .= ' FOREIGN KEY ("' . implode('", "', $foreignKey->getColumns()) . '")';
-        $def .= " REFERENCES {$this->quoteTableName($foreignKey->getReferencedTable()->getName())} (\"" . implode('", "', $foreignKey->getReferencedColumns()) . '")';
+        $def .= " REFERENCES {$this->quoteTableName($foreignKey->getReferencedTable())} (\"" . implode('", "', $foreignKey->getReferencedColumns()) . '")';
         if ($foreignKey->getOnDelete()) {
             $def .= " ON DELETE {$foreignKey->getOnDelete()}";
         }