bdc90052aa
* Add CopyrightHeader support for sbt-boilerplate plugin. * Add CopyrightHeader support for `*.proto` files. * Add regex match for both `–` and `-` for CopyrightHeader. * Add CopyrightHeader support for sbt build files. * Update copyright from 2018 to 2019.
30 lines
853 B
Scala
30 lines
853 B
Scala
/*
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* Copyright (C) 2009-2019 Lightbend Inc. <https://www.lightbend.com>
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*/
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package akka.persistence
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import akka.actor.NoSerializationVerificationNeeded
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/**
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* INTERNAL API.
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*
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* Messages exchanged between persistent actors, views and a journal/snapshot-store.
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*/
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private[persistence] object Protocol {
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/**
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* INTERNAL API.
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*
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* Internal persistence extension messages extend this trait.
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*
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* Helps persistence plugin developers to differentiate
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* internal persistence extension messages from their custom plugin messages.
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*
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* Journal messages need not be serialization verified as the Journal Actor
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* should always be a local Actor (and serialization is performed by plugins).
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* One notable exception to this is the shared journal used for testing.
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*/
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trait Message extends NoSerializationVerificationNeeded
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}
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