#354 | ignore acks and nacks for multiple messages

Metrics for multiple acks and nacks are unsupported in this naive approach.

Author: slayful

src/main/java/com/rabbitmq/client/impl/AbstractMetricsCollector.java

@@ -113,6 +113,10 @@ public void basicPublishFailure(Channel channel, Throwable cause) {
 
     @Override
     public void basicPublishAck(Channel channel, long deliveryTag, boolean multiple) {
+        if (multiple) {
+            // this is a naive approach, as it does not handle multiple nacks
+            return;
+        }
         try {
             markMessagePublishAcknowledged();
         } catch(Exception e) {
@@ -122,6 +126,10 @@ public void basicPublishAck(Channel channel, long deliveryTag, boolean multiple)
 
     @Override
     public void basicPublishNack(Channel channel, long deliveryTag, boolean multiple) {
+        if (multiple) {
+            // this is a naive approach, as it does not handle multiple nacks
+            return;
+        }
         try {
             markMessagePublishNotAcknowledged();
         } catch(Exception e) {