mirror of https://github.com/dapr/docs.git
Added full code snippets for service invocation
Signed-off-by: Amulya Varote <amulyavarote@Amulyas-MacBook-Pro.local>
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Amulya Varote
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commit
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@ -183,9 +183,15 @@ Below are code examples that leverage Dapr SDKs for service invocation.
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{{% codetab %}}
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```csharp
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//dependencies
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using System;
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using System.Collections.Generic;
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using System.Net.Http;
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using System.Net.Http.Headers;
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using System.Threading.Tasks;
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using Dapr.Client;
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using Microsoft.AspNetCore.Mvc;
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using System.Threading;
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//code
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namespace EventService
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@ -194,98 +200,135 @@ namespace EventService
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{
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static async Task Main(string[] args)
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{
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int orderId = 100;
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CancellationTokenSource source = new CancellationTokenSource();
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CancellationToken cancellationToken = source.Token;
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//Using Dapr SDK to invoke a method
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using var client = new DaprClientBuilder().Build();
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var result = client.CreateInvokeMethodRequest(HttpMethod.Get, "checkout", "checkout/" + orderId, cancellationToken);
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await client.InvokeMethodAsync(result);
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while(true) {
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System.Threading.Thread.Sleep(5000);
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Random random = new Random();
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int orderId = random.Next(1,1000);
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CancellationTokenSource source = new CancellationTokenSource();
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CancellationToken cancellationToken = source.Token;
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using var client = new DaprClientBuilder().Build();
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//Using Dapr SDK to invoke a method
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var result = client.CreateInvokeMethodRequest(HttpMethod.Get, "checkout", "checkout/" + orderId, cancellationToken);
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await client.InvokeMethodAsync(result);
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Console.WriteLine("Order requested: " + orderId);
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Console.WriteLine("Result: " + result);
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}
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}
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}
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}
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```
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{{% /codetab %}}
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{{% codetab %}}
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```java
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//dependencies
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import io.dapr.client.DaprClient;
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import io.dapr.client.DaprClientBuilder;
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import io.dapr.client.domain.HttpExtension;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.util.Random;
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import java.util.concurrent.TimeUnit;
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//code
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@SpringBootApplication
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public class OrderProcessingServiceApplication {
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public static void main(String[] args) throws InterruptedException {
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int orderId = 100;
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//Using Dapr SDK to invoke a method
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DaprClient client = new DaprClientBuilder().build();
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var result = client.invokeMethod(
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"checkout",
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"checkout/" + orderId,
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null,
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HttpExtension.GET,
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String.class
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);
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private static final Logger log = LoggerFactory.getLogger(OrderProcessingServiceApplication.class);
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public static void main(String[] args) throws InterruptedException{
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while(true) {
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TimeUnit.MILLISECONDS.sleep(5000);
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Random random = new Random();
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int orderId = random.nextInt(1000-1) + 1;
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DaprClient daprClient = new DaprClientBuilder().build();
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//Using Dapr SDK to invoke a method
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var result = daprClient.invokeMethod(
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"checkout",
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"checkout/" + orderId,
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null,
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HttpExtension.GET,
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String.class
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);
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log.info("Order requested: " + orderId);
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log.info("Result: " + result);
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}
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}
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}
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```
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{{% /codetab %}}
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{{% codetab %}}
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```python
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#dependencies
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import random
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from time import sleep
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import requests
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import logging
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from dapr.clients import DaprClient
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#code
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orderId = 100
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#Using Dapr SDK to invoke a method
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with DaprClient() as client:
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result = client.invoke_method(
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"checkout",
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f"checkout/{orderId}",
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data=b'',
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http_verb="GET"
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)
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logging.basicConfig(level = logging.INFO)
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while True:
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sleep(random.randrange(50, 5000) / 1000)
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orderId = random.randint(1, 1000)
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with DaprClient() as daprClient:
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#Using Dapr SDK to invoke a method
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result = daprClient.invoke_method(
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"checkout",
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f"checkout/{orderId}",
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data=b'',
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http_verb="GET"
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)
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logging.basicConfig(level = logging.INFO)
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logging.info('Order requested: ' + str(orderId))
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logging.info('Result: ' + str(result))
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```
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{{% /codetab %}}
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{{% codetab %}}
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```go
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//dependencies
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import (
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"context"
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"log"
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"math/rand"
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"time"
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"strconv"
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dapr "github.com/dapr/go-sdk/client"
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)
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//code
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func main() {
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orderId := 100
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//Using Dapr SDK to invoke a method
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client, err := dapr.NewClient()
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if err != nil {
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panic(err)
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}
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defer client.Close()
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ctx := context.Background()
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result, err := client.InvokeMethod(ctx, "checkout", "checkout/" + strconv.Itoa(orderId), "get")
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type Order struct {
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orderName string
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orderNum string
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}
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func main() {
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for i := 0; i < 10; i++ {
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time.Sleep(5000)
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orderId := rand.Intn(1000-1) + 1
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client, err := dapr.NewClient()
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if err != nil {
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panic(err)
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}
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defer client.Close()
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ctx := context.Background()
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//Using Dapr SDK to invoke a method
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result, err := client.InvokeMethod(ctx, "checkout", "checkout/" + strconv.Itoa(orderId), "get")
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log.Println("Order requested: " + strconv.Itoa(orderId))
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log.Println("Result: ")
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log.Println(result)
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}
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}
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```
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{{% /codetab %}}
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{{% codetab %}}
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```javascript
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//dependencies
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import { DaprClient, HttpMethod, CommunicationProtocolEnum } from 'dapr-client';
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@ -293,14 +336,29 @@ import { DaprClient, HttpMethod, CommunicationProtocolEnum } from 'dapr-client';
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const daprHost = "127.0.0.1";
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var main = function() {
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var orderId = 100;
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//Using Dapr SDK to invoke a method
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const client = new DaprClient(daprHost, process.env.DAPR_HTTP_PORT, CommunicationProtocolEnum.HTTP);
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const result = await client.invoker.invoke('checkout' , "checkout/" + orderId , HttpMethod.GET);
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for(var i=0;i<10;i++) {
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sleep(5000);
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var orderId = Math.floor(Math.random() * (1000 - 1) + 1);
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start(orderId).catch((e) => {
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console.error(e);
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process.exit(1);
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});
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}
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}
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async function start(orderId) {
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const client = new DaprClient(daprHost, process.env.DAPR_HTTP_PORT, CommunicationProtocolEnum.HTTP);
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//Using Dapr SDK to invoke a method
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const result = await client.invoker.invoke('checkoutservice' , "checkout/" + orderId , HttpMethod.GET);
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console.log("Order requested: " + orderId);
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console.log("Result: " + result);
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}
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function sleep(ms) {
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return new Promise(resolve => setTimeout(resolve, ms));
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}
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main();
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```
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{{% /codetab %}}
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