DB Ent. fix recursion

Core/Objects/DatabaseEntity/Controller/DatabaseEntityQueryContext.class.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace Core\Objects\DatabaseEntity\Controller;
+
+class DatabaseEntityQueryContext {
+
+  // tableName => [ entityId => entity ]
+  private array $entityCache;
+
+  public function __construct() {
+    $this->entityCache = [];
+  }
+
+  public function queryCache(DatabaseEntityHandler $handler, int $id): ?DatabaseEntity {
+    $tableName = $handler->getTableName();
+    if (isset($this->entityCache[$tableName])) {
+      return $this->entityCache[$tableName][$id] ?? null;
+    }
+
+    return null;
+  }
+
+  public function addCache(DatabaseEntityHandler $handler, DatabaseEntity $entity): void {
+    $tableName = $handler->getTableName();
+    if (!isset($this->entityCache[$tableName])) {
+      $this->entityCache[$tableName] = [];
+    }
+
+    $this->entityCache[$tableName][$entity->getId()] = $entity;
+  }
+}