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Microservices broadcast messages


Microservices broadcast messages

By : Reynan Jay Villagome
Date : October 23 2020, 08:10 AM
will help you You have to use fan out exchange. https://www.rabbitmq.com/tutorials/amqp-concepts.html
code :


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Using a broadcast intent/broadcast receiver to send messages from a service to an activity

Using a broadcast intent/broadcast receiver to send messages from a service to an activity


By : fawr
Date : March 29 2020, 07:55 AM
I hope this helps . EDITED Corrected code examples for registering/unregistering the BroadcastReceiver and also removed manifest declaration.
Define ReceiveMessages as an inner class within the Activity which needs to listen for messages from the Service.
code :
ReceiveMessages myReceiver = null;
Boolean myReceiverIsRegistered = false;
if (!myReceiverIsRegistered) {
    registerReceiver(myReceiver, new IntentFilter("com.mycompany.myapp.SOME_MESSAGE"));
    myReceiverIsRegistered = true;
}
if (myReceiverIsRegistered) {
    unregisterReceiver(myReceiver);
    myReceiverIsRegistered = false;
}
Intent i = new Intent("com.mycompany.myapp.SOME_MESSAGE");
sendBroadcast(i);
Broadcast message in microservices and run it once in multiple instances

Broadcast message in microservices and run it once in multiple instances


By : Antony Andreatos
Date : March 29 2020, 07:55 AM
Any of those help Create a seperate queue for each microservice (if not already created)
In Rabbit MQ ,use Fanout Exchange hence each queue will reacieve all the messages.
RabbitMQ - Consuming messages from queue in microservices

RabbitMQ - Consuming messages from queue in microservices


By : Joe
Date : March 29 2020, 07:55 AM
wish helps you 1) Received is actually an event. So, calling consumer.Received += (model, e) => {}; you're subscribing to it, but it's not necesseraly an anonimous function, it can be like:
code :
consumer.Received += OnReceived;

....

private static void OnReceived(object model, BasicDeliverEventArgs e)
{
    var body = ea.Body;
    var message = Encoding.UTF8.GetString(body);
    // At this point, I can do something with the message.
}
How to receive Broadcast messages from local broadcast manager?

How to receive Broadcast messages from local broadcast manager?


By : user2037462
Date : March 29 2020, 07:55 AM
will be helpful for those in need I am working in Android with Xamarin. I have a broadcast receiver that catches the button on a headset like so: ,
how to receive Broadcast messages from local broadcast manager?
code :
[BroadcastReceiver]
public class ServiceBroadcastReceiver : BroadcastReceiver
{
    Context context;

    public ServiceBroadcastReceiver(Context context)
    {
       this.context = context;
    }
    public override void OnReceive(Context context, Intent intent)
    {
        if (intent.HasExtra("play"))
        {
           // sent a "play" cmd, do something.
           // context is your activity, you can call methods on it
           (context as SomeActivity)?.PlayReceived();
        }
    }
}
var intent = new Intent(Application.Context, typeof(ServiceBroadcastReceiver));
intent.PutExtra("play", true);
SendBroadcast(intent);
 // serviceBroadcastReceiver is a class level variable 
 serviceBroadcastReceiver = new ServiceBroadcastReceiver(this);
 RegisterReceiver(packageBroadcastReceiver, intentFilter);
UnregisterReceiver(serviceBroadcastReceiver);
serviceBroadcastReceiver.Dispose();
serviceBroadcastReceiver = null;
NestJS Gateway cannot receive messages from Microservices?

NestJS Gateway cannot receive messages from Microservices?


By : user3654826
Date : March 29 2020, 07:55 AM
Hope this helps I found a solution, maybe is not the perfect one, but solves the subject.
in the event.gateway I add the @Controller
code :
...
@Controller('something')
@WebSocketGateway()
...
...
  controllers: [EventsGateway],
  providers: [EventsGateway]
...

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