TYPO3 v15 dev-main snapshot ()

Classes/Schema/ActiveRelation.php

@@ -0,0 +1,49 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3\CMS\Core\Schema;
+
+/**
+ * A relation to another field / schema.
+ *
+ * An example:
+ * - A field "authors" in table "books" has an active relation to the field "written_books" in table "tx_myextension_author"
+ * - A field "assets" in table "tt_content" has an active relation TO "sys_file_reference.uid".
+ */
+final readonly class ActiveRelation
+{
+    public function __construct(
+        private string $toTable,
+        private ?string $toField
+    ) {}
+
+    public function toTable(): string
+    {
+        return $this->toTable;
+    }
+
+    public function toField(): ?string
+    {
+        return $this->toField;
+    }
+
+    public static function __set_state(array $state): self
+    {
+        return new self(...$state);
+    }
+
+}