added an isRoot method to the messagebroker

morganstanley · Nov 13, 2024 · 22422cd · 22422cd
1 parent 0389a8b
commit 22422cd
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diff --git a/main/contracts/contracts.ts b/main/contracts/contracts.ts
@@ -113,6 +113,13 @@ export interface IMessageBroker<T> {
      * @returns An instance of the messagebroker that matches the scopeName provided
      */
     createScope(scopeName: string): IMessageBroker<T>;
+
+    /**
+     * Returns true if this is root node of the tree of MessageBrokers.
+     * The root MessageBroker will not have a parent MessageBroker.
+     * @returns A boolean indicating whether this is the root or not
+     */
+    isRoot(): boolean;
 }
 
 /**

diff --git a/main/core/messagebroker.ts b/main/core/messagebroker.ts
@@ -207,6 +207,10 @@ export class MessageBroker<T = any> implements IMessageBroker<T> {
         return channel != null && channel.subscription != null;
     }
 
+    public isRoot(): boolean {
+        return this._parent === undefined;
+    }
+
     public get parent(): IMessageBroker<T> | undefined {
         return this._parent;
     }