Akka Persistence - callback for persistAll when all events have been saved

[Łukasz Gąsior]

Hi,

Is there a way to execute a handler when all events have been saved using persistAll?

i.e. have (handler: Seq[A] => Unit) or even (handler: () => Unit)

Cheers,

Łukasz

[Konrad Malawski]

A defer() just after the persistAll call should pretty much be what you need, unless I missed something :)

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[Łukasz Gąsior]

Thanks! 

I think that's exactly what I need, and now that I know about it I see a section in docs right above 

"Nested persist calls", which I was looking at before posting my question.

Cheers

[Aditya Prasad]

Newb question: what if I don't have an event for the deferAsync() call? I just want to execute a block with the guarantee that it runs after persistAll() completes.

[Patrik Nordwall]

You need to pass something, but it can any object, e.g. a String that you don't use.

/Patrik

[Aditya Prasad]

Right-o, thanks :)

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