[Scheduler] Throw an exception when no dispatcher has been passed to …

…a Schedule
fabpot · Jun 1, 2024 · dfd65d6 · dfd65d6
1 parent d9367f9
commit dfd65d6
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/src/Symfony/Component/Scheduler/Schedule.php b/src/Symfony/Component/Scheduler/Schedule.php
@@ -141,20 +141,32 @@ public function getSchedule(): static
 
     public function before(callable $listener, int $priority = 0): static
     {
+        if (!$this->dispatcher) {
+            throw new LogicException(sprintf('To register a listener with "%s()", you need to set an event dispatcher on the Schedule.', __METHOD__));
+        }
+
         $this->dispatcher->addListener(PreRunEvent::class, $listener, $priority);
 
         return $this;
     }
 
     public function after(callable $listener, int $priority = 0): static
     {
+        if (!$this->dispatcher) {
+            throw new LogicException(sprintf('To register a listener with "%s()", you need to set an event dispatcher on the Schedule.', __METHOD__));
+        }
+
         $this->dispatcher->addListener(PostRunEvent::class, $listener, $priority);
 
         return $this;
     }
 
     public function onFailure(callable $listener, int $priority = 0): static
     {
+        if (!$this->dispatcher) {
+            throw new LogicException(sprintf('To register a listener with "%s()", you need to set an event dispatcher on the Schedule.', __METHOD__));
+        }
+
         $this->dispatcher->addListener(FailureEvent::class, $listener, $priority);
 
         return $this;