Making restInstances readOnly!

#33 (comment)
ably · Sep 17, 2020 · 25bda81 · 25bda81
1 parent c9b9c89
commit 25bda81
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/lib/src/impl/rest/rest.dart b/lib/src/impl/rest/rest.dart
@@ -1,4 +1,5 @@
 import 'dart:async';
+import 'dart:collection';
 
 import 'package:ably_flutter_plugin/src/impl/message.dart';
 
@@ -7,7 +8,9 @@ import '../../spec/spec.dart' as spec;
 import '../platform_object.dart';
 import 'channels.dart';
 
-Map<int, Rest> restInstances = {};
+Map<int, Rest> _restInstances = {};
+Map<int, Rest> _restInstancesUnmodifiableView;
+Map<int, Rest> get restInstances => _restInstancesUnmodifiableView ??= UnmodifiableMapView(_restInstances);
 
 class Rest extends PlatformObject implements spec.RestInterface<RestPlatformChannels> {
 
@@ -27,7 +30,7 @@ class Rest extends PlatformObject implements spec.RestInterface<RestPlatformChan
       PlatformMethod.createRestWithOptions,
       AblyMessage(options)
     );
-    restInstances[handle] = this;
+    _restInstances[handle] = this;
     return handle;
   }