Producers names

lab3/docker-compose.yml

@@ -17,6 +17,7 @@ services:
       - rabbitmq
       - consumer
     environment:
+      - PRODUCER_NAME=first
       - PRODUCER_DELAY_MS=1000
     networks:
       - rabbitnet
@@ -29,6 +30,7 @@ services:
       - rabbitmq
       - consumer
     environment:
+      - PRODUCER_NAME=second
       - PRODUCER_DELAY_MS=1000
     networks:
       - rabbitnet

lab3/producer/app/src/main/java/dev/tishenko/producer/Send.java

@@ -8,6 +8,9 @@ public class Send {
     private static final String QUEUE_NAME = "hello";
 
     public static void main(String[] args) throws Exception {
+        String name = System.getenv("PRODUCER_NAME");
+        name = name != null ? name : "";
+
         String delayEnv = System.getenv("PRODUCER_DELAY_MS");
         int delay = delayEnv != null ? Integer.parseInt(delayEnv) : 1000;
 
@@ -16,17 +19,11 @@ public class Send {
 
         try (Connection connection = factory.newConnection();
                 Channel channel = connection.createChannel()) {
-
-            boolean durable = false;
-            boolean exclusive = false;
-            boolean autoDelete = false;
-
-            // channel.queueDeclare(QUEUE_NAME, durable, exclusive, autoDelete, null);
             channel.queueDeclarePassive(QUEUE_NAME);
 
             int count = 0;
             while (true) {
-                String message = "Message #" + count++;
+                String message = "Message from " + name + " #" + count++;
                 channel.basicPublish("", QUEUE_NAME, null, message.getBytes());
                 System.out.println(" [x] Sent '" + message + "'");
                 Thread.sleep(delay);