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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2022/12/09 10:49:45 UTC

[GitHub] [pulsar] BewareMyPower commented on issue #18835: [Doc] Message Id Uniqueness?

BewareMyPower commented on issue #18835:
URL: https://github.com/apache/pulsar/issues/18835#issuecomment-1344147829

   Since the ledger id and entry id are not exposed to users (in `pulsar-client-api` module), there is no need to document that.
   
   Actually, the `MessageId` objects returned by `send`, `receive` and `getLastMessageId` are unique for the triple (ledger id, entry id, batch index). However, there is no public API to get these fields. You have to use the specific implementations like `MessageIdImpl` and `BatchMessageIdImpl` to access these fields. These implementations are very messy and might change. See more discussions [here](https://lists.apache.org/thread/rdkqnkohbmkjjs61hvoqplhhngr0b0sd)


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