[jira] [Resolved] (KAFKA-12154) API and implementation for snapshot loading

["Jason Gustafson (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-12154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Gustafson resolved KAFKA-12154.
-------------------------------------
    Resolution: Fixed

> API and implementation for snapshot loading
> -------------------------------------------
>
>                 Key: KAFKA-12154
>                 URL: https://issues.apache.org/jira/browse/KAFKA-12154
>             Project: Kafka
>          Issue Type: Sub-task
>          Components: replication
>            Reporter: Jose Armando Garcia Sancio
>            Assignee: Jose Armando Garcia Sancio
>            Priority: Major
>
> Following changes need to be implemented:
> 1. Notify the {{Listener}} when a snapshot is available:
> {code:java}
> interface Listener<T> {
>   void handleSnapshot(SnapshotReader<T> snapshot);
>   ...
> } {code}
> It is possible that we can reuse the existing {{BatchReader<T>}} but I am not sure at this point. Whenever {{handleSnapshot}} is called the implementation should assume that the state has been rewound.
>  
> 2. Update the {{ListenerContext}} when a snapshot is available:
> {code:java}
> class ListenerContext {
>   void fireHandleSnapshot(SnapshotReader<T> snapshot);
> }{code}



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