25 lines
697 B
Scala
25 lines
697 B
Scala
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/**
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* Copyright (C) 2014 Typesafe Inc. <http://www.typesafe.com>
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*/
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package akka.persistence.journal
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import akka.persistence.{ PersistentRepr, Resequenceable }
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import akka.actor.Actor
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import scala.collection.immutable
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private[akka] trait WriteJournalBase {
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this: Actor ⇒
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protected def preparePersistentBatch(rb: immutable.Seq[Resequenceable]): immutable.Seq[PersistentRepr] =
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rb.filter(persistentPrepareWrite).asInstanceOf[immutable.Seq[PersistentRepr]] // filter instead of flatMap to avoid Some allocations
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private def persistentPrepareWrite(r: Resequenceable): Boolean = r match {
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case p: PersistentRepr ⇒
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p.prepareWrite(); true
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case _ ⇒
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false
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}
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}
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