From 0c6fa6e60f5a5fa3755c7c8c0cf0868f9ed9491f Mon Sep 17 00:00:00 2001
From: Oliver Davies <oliver@oliverdavies.uk>
Date: Sat, 14 Nov 2020 12:52:22 +0000
Subject: [PATCH] Throw an Exception if it is the wrong type

---
 web/modules/custom/my_module/src/Entity/Post.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/web/modules/custom/my_module/src/Entity/Post.php b/web/modules/custom/my_module/src/Entity/Post.php
index 5cd63da..83e9aac 100644
--- a/web/modules/custom/my_module/src/Entity/Post.php
+++ b/web/modules/custom/my_module/src/Entity/Post.php
@@ -9,6 +9,10 @@ class Post {
   private $node;
 
   public function __construct(NodeInterface $node) {
+    if ($node->bundle() != 'article') {
+      throw new \InvalidArgumentException();
+    }
+
     $this->node = $node;
   }