- First draft of current WIP

src/Annotation/Property/Field/ForeignKey.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Ulmus\Annotation\Property\Field;
+
+/**
+ * Since we need consistancy between the declaration of our ID and FK fields, it
+ * was decided to extend the Id class instead of Field for this case.
+ */
+class ForeignKey extends Id {
+
+    public function __construct()
+    {
+        parent::__construct();
+
+        unset($this->nullable);
+        $this->attributes['primary_key'] = false;
+    }
+
+}