From 8b29b6405a530092ad41741f035709e4aeef5812 Mon Sep 17 00:00:00 2001
From: Philip Langer <planger@eclipsesource.com>
Date: Wed, 1 Feb 2023 10:52:22 +0100
Subject: [PATCH] Ensure existing IdKeeperAdapters are found

This is crucial to make sure that IDs are stable with UUIDIdGenerator
within one session.

Fixes https://github.com/eclipse-glsp/glsp/issues/897
---
 .../src/org/eclipse/glsp/graph/util/IdKeeperAdapter.java       | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/plugins/org.eclipse.glsp.graph/src/org/eclipse/glsp/graph/util/IdKeeperAdapter.java b/plugins/org.eclipse.glsp.graph/src/org/eclipse/glsp/graph/util/IdKeeperAdapter.java
index 0cc1bbdd..b5caa51f 100644
--- a/plugins/org.eclipse.glsp.graph/src/org/eclipse/glsp/graph/util/IdKeeperAdapter.java
+++ b/plugins/org.eclipse.glsp.graph/src/org/eclipse/glsp/graph/util/IdKeeperAdapter.java
@@ -19,7 +19,6 @@
 
 import org.eclipse.emf.common.notify.Notifier;
 import org.eclipse.emf.common.notify.impl.AdapterImpl;
-import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.ecore.util.EcoreUtil;
 
 public class IdKeeperAdapter extends AdapterImpl {
@@ -39,7 +38,7 @@ protected String createId() {
 
    @Override
    public boolean isAdapterForType(final Object type) {
-      return type instanceof EObject;
+      return type == IdKeeperAdapter.class;
    }
 
    public static IdKeeperAdapter getOrCreate(final Notifier notifier) {