From f1ddedfb44bec2a44a9fe1a9131d59b649ccaef3 Mon Sep 17 00:00:00 2001
From: TheMode <themode@outlook.fr>
Date: Fri, 4 Jun 2021 00:30:48 +0200
Subject: [PATCH] Add EventNode#getParent

---
 src/main/java/net/minestom/server/event/EventNode.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/main/java/net/minestom/server/event/EventNode.java b/src/main/java/net/minestom/server/event/EventNode.java
index 18c4390bf..f5c052ec3 100644
--- a/src/main/java/net/minestom/server/event/EventNode.java
+++ b/src/main/java/net/minestom/server/event/EventNode.java
@@ -123,6 +123,7 @@ public class EventNode<T extends Event> {
 
     public EventNode<T> addChild(@NotNull EventNode<? extends T> child) {
         synchronized (GLOBAL_CHILD_LOCK) {
+            Check.stateCondition(child.parent != null, "Node already has a parent");
             Check.stateCondition(Objects.equals(parent, child), "Cannot have a child as parent");
             final boolean result = this.children.add((EventNode<T>) child);
             if (result) {
@@ -209,6 +210,10 @@ public class EventNode<T extends Event> {
         return this;
     }
 
+    public @Nullable EventNode<? super T> getParent() {
+        return parent;
+    }
+
     public @NotNull Set<@NotNull EventNode<T>> getChildren() {
         return Collections.unmodifiableSet(children);
     }