mirror of https://github.com/dapr/docs.git
Added full code snippets of pub sub
Signed-off-by: Amulya Varote <amulyavarote@Amulyas-MacBook-Pro.local>
This commit is contained in:
Amulya Varote
parent
ec61461b00
commit
e1bbdaa9ed
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@ -262,8 +262,11 @@ Below are code examples that leverage Dapr SDKs to subscribe to a topic.
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{{% codetab %}}
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```csharp
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//dependencies
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using System.Collections.Generic;
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using System.Threading.Tasks;
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using System;
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using Microsoft.AspNetCore.Mvc;
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using Dapr;
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using Dapr.Client;
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@ -273,7 +276,7 @@ namespace CheckoutService.controller
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[ApiController]
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public class CheckoutServiceController : Controller
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{
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//Subscribe to a topic
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//Subscribe to a topic
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[Topic("order_pub_sub", "orders")]
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[HttpPost("checkout")]
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public void getCheckout([FromBody] int orderId)
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@ -351,19 +354,25 @@ import io.dapr.client.domain.CloudEvent;
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<<<<<<< HEAD
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<<<<<<< HEAD
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<<<<<<< HEAD
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<<<<<<< HEAD
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=======
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=======
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>>>>>>> f30a0acb (Added full code snippets of pub sub)
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=======
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>>>>>>> 8dfbce07 (Added full code snippets of pub sub)
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import org.springframework.web.bind.annotation.*;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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<<<<<<< HEAD
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<<<<<<< HEAD
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>>>>>>> 0e83af7a (Added pub sub documentation)
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=======
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>>>>>>> fbadd23a (Modified based on the review comments - 1)
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=======
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>>>>>>> f30a0acb (Added full code snippets of pub sub)
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=======
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>>>>>>> 8dfbce07 (Added full code snippets of pub sub)
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import reactor.core.publisher.Mono;
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//code
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@ -403,6 +412,7 @@ from dapr.ext.grpc import App
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<<<<<<< HEAD
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<<<<<<< HEAD
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<<<<<<< HEAD
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<<<<<<< HEAD
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=======
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import logging
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import json
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@ -413,6 +423,10 @@ import json
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import logging
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import json
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>>>>>>> f30a0acb (Added full code snippets of pub sub)
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=======
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import logging
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import json
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>>>>>>> 8dfbce07 (Added full code snippets of pub sub)
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#code
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app = App()
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@ -648,6 +662,7 @@ Below are code examples that leverage Dapr SDKs to publish a topic.
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<<<<<<< HEAD
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<<<<<<< HEAD
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<<<<<<< HEAD
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<<<<<<< HEAD
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using Dapr.Client;
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=======
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using System;
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@ -672,6 +687,16 @@ using Dapr.Client;
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using Microsoft.AspNetCore.Mvc;
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using System.Threading;
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>>>>>>> f30a0acb (Added full code snippets of pub sub)
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=======
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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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>>>>>>> 8dfbce07 (Added full code snippets of pub sub)
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//code
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namespace EventService
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@ -680,6 +705,7 @@ namespace EventService
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{
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static async Task Main(string[] args)
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{
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<<<<<<< HEAD
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<<<<<<< HEAD
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string PUBSUB_NAME = "order_pub_sub";
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string TOPIC_NAME = "orders";
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@ -699,6 +725,8 @@ namespace EventService
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await client.PublishEventAsync(PUBSUB_NAME, TOPIC_NAME, orderId, cancellationToken);
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Console.WriteLine("Published data: " + orderId);
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=======
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=======
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>>>>>>> 8dfbce07 (Added full code snippets of pub sub)
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string PUBSUB_NAME = "order_pub_sub";
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string TOPIC_NAME = "orders";
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while(true) {
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@ -712,7 +740,10 @@ namespace EventService
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await client.PublishEventAsync(PUBSUB_NAME, TOPIC_NAME, orderId, cancellationToken);
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Console.WriteLine("Published data: " + orderId);
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}
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<<<<<<< HEAD
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>>>>>>> f30a0acb (Added full code snippets of pub sub)
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=======
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>>>>>>> 8dfbce07 (Added full code snippets of pub sub)
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}
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}
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}
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@ -737,23 +768,30 @@ import static java.util.Collections.singletonMap;
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<<<<<<< HEAD
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<<<<<<< HEAD
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<<<<<<< HEAD
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<<<<<<< HEAD
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=======
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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>>>>>>> 0e83af7a (Added pub sub documentation)
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=======
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>>>>>>> fbadd23a (Modified based on the review comments - 1)
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=======
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=======
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>>>>>>> 8dfbce07 (Added full code snippets of pub sub)
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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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<<<<<<< HEAD
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>>>>>>> f30a0acb (Added full code snippets of pub sub)
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=======
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>>>>>>> 8dfbce07 (Added full code snippets of pub sub)
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//code
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@SpringBootApplication
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public class OrderProcessingServiceApplication {
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<<<<<<< HEAD
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<<<<<<< HEAD
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public static void main(String[] args) throws InterruptedException{
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String MESSAGE_TTL_IN_SECONDS = "1000";
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@ -782,6 +820,30 @@ public class OrderProcessingServiceApplication {
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}
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<<<<<<< HEAD
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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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String MESSAGE_TTL_IN_SECONDS = "1000";
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String TOPIC_NAME = "orders";
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String PUBSUB_NAME = "order_pub_sub";
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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 client = new DaprClientBuilder().build();
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//Using Dapr SDK to publish a topic
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client.publishEvent(
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PUBSUB_NAME,
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TOPIC_NAME,
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orderId,
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singletonMap(Metadata.TTL_IN_SECONDS, MESSAGE_TTL_IN_SECONDS)).block();
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log.info("Published data:" + orderId);
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}
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}
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}
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>>>>>>> 8dfbce07 (Added full code snippets of pub sub)
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```
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Navigate to the directory containing the above code, then run the following command to launch a Dapr sidecar and run the application:
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@ -843,14 +905,23 @@ import json
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>>>>>>> 0e83af7a (Added pub sub documentation)
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=======
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#dependencies
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<<<<<<< HEAD
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>>>>>>> fbadd23a (Modified based on the review comments - 1)
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=======
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>>>>>>> f30a0acb (Added full code snippets of pub sub)
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=======
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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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import json
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>>>>>>> 8dfbce07 (Added full code snippets of pub sub)
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from dapr.clients import DaprClient
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#code
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logging.basicConfig(level = logging.INFO)
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<<<<<<< HEAD
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<<<<<<< HEAD
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orderId = 100
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<<<<<<< HEAD
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@ -869,6 +940,8 @@ logging.info('Published data: ' + str(orderId))
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<<<<<<< HEAD
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=======
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=======
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>>>>>>> 8dfbce07 (Added full code snippets of pub sub)
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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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@ -883,7 +956,10 @@ while True:
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data_content_type='application/json',
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)
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logging.info('Published data: ' + str(orderId))
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<<<<<<< HEAD
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>>>>>>> f30a0acb (Added full code snippets of pub sub)
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=======
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>>>>>>> 8dfbce07 (Added full code snippets of pub sub)
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```
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Navigate to the directory containing the above code, then run the following command to launch a Dapr sidecar and run the application:
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@ -938,6 +1014,7 @@ var (
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)
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func main() {
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<<<<<<< HEAD
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<<<<<<< HEAD
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orderId := 100
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client, err := dapr.NewClient()
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@ -975,6 +1052,18 @@ func main() {
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defer client.Close()
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ctx := context.Background()
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//Using Dapr SDK to publish a topic
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=======
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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 publish a topic
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>>>>>>> 8dfbce07 (Added full code snippets of pub sub)
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if err := client.PublishEvent(ctx, PUBSUB_NAME, TOPIC_NAME, []byte(strconv.Itoa(orderId)));
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err != nil {
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panic(err)
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@ -982,7 +1071,10 @@ func main() {
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log.Println("Published data: " + strconv.Itoa(orderId))
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}
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<<<<<<< HEAD
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>>>>>>> f30a0acb (Added full code snippets of pub sub)
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=======
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>>>>>>> 8dfbce07 (Added full code snippets of pub sub)
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}
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```
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<<<<<<< HEAD
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@ -1010,10 +1102,13 @@ dapr run --app-id orderprocessing --app-port 6001 --dapr-http-port 3601 --dapr-g
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```javascript
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//dependencies
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import { DaprServer, DaprClient, CommunicationProtocolEnum } from 'dapr-client';
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import { DaprServer, CommunicationProtocolEnum } from 'dapr-client';
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const daprHost = "127.0.0.1";
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const serverHost = "127.0.0.1";
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const serverPort = "6002";
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<<<<<<< HEAD
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<<<<<<< HEAD
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<<<<<<< HEAD
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var main = function() {
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@ -1073,10 +1168,29 @@ async function start(orderId) {
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//Using Dapr SDK to publish a topic
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<<<<<<< HEAD
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<<<<<<< HEAD
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=======
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start().catch((e) => {
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console.error(e);
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process.exit(1);
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});
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async function start(orderId) {
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const PUBSUB_NAME = "order_pub_sub"
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const TOPIC_NAME = "orders"
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const server = new DaprServer(
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serverHost,
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serverPort,
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daprHost,
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process.env.DAPR_HTTP_PORT,
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CommunicationProtocolEnum.HTTP
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);
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//Using Dapr SDK to publish a topic
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>>>>>>> 8dfbce07 (Added full code snippets of pub sub)
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await server.pubsub.subscribe(PUBSUB_NAME, TOPIC_NAME, async (orderId) => {
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console.log(`Subscriber received: ${JSON.stringify(orderId)}`)
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});
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await server.startServer();
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<<<<<<< HEAD
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>>>>>>> f30a0acb (Added full code snippets of pub sub)
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=======
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await client.pubsub.publish(PUBSUB_NAME, TOPIC_NAME, orderId);
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@ -1102,6 +1216,9 @@ function sleep(ms) {
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}
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main();
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=======
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}
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>>>>>>> 8dfbce07 (Added full code snippets of pub sub)
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```
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Navigate to the directory containing the above code, then run the following command to launch a Dapr sidecar and run the application:
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