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!per persistAsync

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Breaks binary compatibility because adding new methods to Eventsourced
trait. Since akka-persistence is experimental this is ok, yet
source-level compatibility has been perserved thankfuly :-)

Deprecates:
* Rename of EventsourcedProcessor -> PersistentActor
* Processor -> suggest using PersistentActor
* Migration guide for akka-persistence is separate, as wel'll deprecate in minor versions (its experimental)
* Persistent as well as ConfirmablePersistent - since Processor, their
  main user will be removed soon.

Other changes:
* persistAsync works as expected when mixed with persist
* A counter must be kept for pending stashing invocations
* Uses only 1 shared list buffer for persit / persistAsync
* Includes small benchmark
* Docs also include info about not using Persistent() wrapper
* uses java LinkedList, for best performance of append / head on
  persistInvocations; the get(0) is safe, because these msgs only
  come in response to persistInvocations
* Renamed internal *MessagesSuccess/Failure messages because we kept
  small mistakes seeing the class "with s" and "without s" as the same
* Updated everything that refered to EventsourcedProcessor to
  PersistentActor, including samples

Refs #15227

Conflicts:
	akka-docs/rst/project/migration-guides.rst
	akka-persistence/src/main/scala/akka/persistence/JournalProtocol.scala
	akka-persistence/src/main/scala/akka/persistence/Persistent.scala
	akka-persistence/src/test/scala/akka/persistence/PersistentActorSpec.scala
	project/AkkaBuild.scala
This commit is contained in:
Konrad 'ktoso' Malawski 2014-05-21 01:35:21 +02:00
parent 5f3d6029b1
commit d51b79c95a
32 changed files with 907 additions and 134 deletions
Download patch file Download diff file Expand all files Collapse all files

14
akka-persistence/src/test/scala/akka/persistence/PerformanceSpec.scala
View file

@ -87,7 +87,7 @@ object PerformanceSpec {
}
}
class EventsourcedTestProcessor(name: String) extends PerformanceTestProcessor(name) with EventsourcedProcessor {
class EventsourcedTestProcessor(name: String) extends PerformanceTestProcessor(name) with PersistentActor {
val receiveRecover: Receive = {
case _ ⇒ if (lastSequenceNr % 1000 == 0) print("r")
}
@ -100,7 +100,7 @@ object PerformanceSpec {
}
}
class StashingEventsourcedTestProcessor(name: String) extends PerformanceTestProcessor(name) with EventsourcedProcessor {
class StashingEventsourcedTestProcessor(name: String) extends PerformanceTestProcessor(name) with PersistentActor {
val receiveRecover: Receive = {
case _ ⇒ if (lastSequenceNr % 1000 == 0) print("r")
}
@ -141,7 +141,7 @@ class PerformanceSpec extends AkkaSpec(PersistenceSpec.config("leveldb", "Perfor
}
}
def stressEventsourcedProcessor(failAt: Option[Long]): Unit = {
def stressPersistentActor(failAt: Option[Long]): Unit = {
val processor = namedProcessor[EventsourcedTestProcessor]
failAt foreach { processor ! FailAt(_) }
1 to warmupCycles foreach { i ⇒ processor ! s"msg${i}" }
@ -153,7 +153,7 @@ class PerformanceSpec extends AkkaSpec(PersistenceSpec.config("leveldb", "Perfor
}
}
def stressStashingEventsourcedProcessor(): Unit = {
def stressStashingPersistentActor(): Unit = {
val processor = namedProcessor[StashingEventsourcedTestProcessor]
1 to warmupCycles foreach { i ⇒ processor ! "b" }
processor ! StartMeasure
@ -195,13 +195,13 @@ class PerformanceSpec extends AkkaSpec(PersistenceSpec.config("leveldb", "Perfor
"An event sourced processor" should {
"have some reasonable throughput" in {
stressEventsourcedProcessor(None)
stressPersistentActor(None)
}
"have some reasonable throughput under failure conditions" in {
stressEventsourcedProcessor(Some(warmupCycles + loadCycles / 10))
stressPersistentActor(Some(warmupCycles + loadCycles / 10))
}
"have some reasonable throughput with stashing and unstashing every 3rd command" in {
stressStashingEventsourcedProcessor()
stressStashingPersistentActor()
}
}