Named queues

Author: jackkleeman

patterns-use-cases/priority-queue/priority-queue-typescript/src/queue_client.ts

@@ -14,11 +14,12 @@ import type { Queue } from "./queue";
 
 export async function doWithQueue<T>(
   ctx: Context,
+  queue: string,
   priority: number,
   operation: () => Promise<T>,
 ): Promise<T> {
   const awakeable = ctx.awakeable();
-  ctx.objectSendClient<Queue>({ name: "queue" }, "").tick({
+  ctx.objectSendClient<Queue>({ name: "queue" }, queue).tick({
     type: "push",
     item: {
       awakeable: awakeable.id,
@@ -31,14 +32,14 @@ export async function doWithQueue<T>(
   try {
     const result = await operation();
 
-    ctx.objectSendClient<Queue>({ name: "queue" }, "").tick({
+    ctx.objectSendClient<Queue>({ name: "queue" }, queue).tick({
       type: "done",
     });
 
     return result;
   } catch (e) {
     if (e instanceof TerminalError) {
-      ctx.objectSendClient<Queue>({ name: "queue" }, "").tick({
+      ctx.objectSendClient<Queue>({ name: "queue" }, queue).tick({
         type: "done",
       });
     }

patterns-use-cases/priority-queue/priority-queue-typescript/src/service.ts

@@ -12,14 +12,16 @@
 import { Context, service } from "@restatedev/restate-sdk";
 import { doWithQueue } from "./queue_client";
 
+const QUEUE_NAME = "myService/expensiveMethod";
+
 export const myService = service({
   name: "myService",
   handlers: {
     expensiveMethod: async (
       ctx: Context,
       params: { left: number; right: number },
     ): Promise<number> => {
-      return doWithQueue(ctx, 1, () =>
+      return doWithQueue(ctx, QUEUE_NAME, 1, () =>
         ctx.run(() => expensiveOperation(params.left, params.right)),
       );
     },