Gleiphir2769 commented on code in PR #921:
URL: https://github.com/apache/pulsar-client-go/pull/921#discussion_r1057470413
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pulsar/consumer_partition.go:
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@@ -138,15 +138,14 @@ type partitionConsumer struct {
// the size of the queue channel for buffering messages
queueSize int32
queueCh chan []*message
- startMessageID trackingMessageID
+ startMessageID atomicMessageID
Review Comment:
> Could `atomic.Value{}` instead of this?
I think `atomicMessageID` is better than `atomic.Value{}` because it's more
simple and clearly.
For example, if we use `atomic.Value` as the startMessageID type, the
original using of `startMessageID` will be like this.
``` golang
// original
return pc.startMessageID.greater(msgID.messageID)
// atomicMessageID
return pc.startMessageID.get().greater(msgID.messageID)
// atomic.Value{}
return pc.startMessageID.Load().(trackingMessageID).greater(msgID.messageID)
```
`atomic.Value{}` will need one more time type assertion.
But `atomicMessageID` may need a better name and declear position. Do you
have more idea? Thanks.
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