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=per #15429 Rewrite persistence documentation and samples for 2.3.4 changes

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(cherry picked from commit 02351e32f110a8c4a249f0f3f84bae5898d1a836)

Conflicts:
	akka-samples/akka-sample-persistence-java-lambda/tutorial/index.html
	akka-samples/akka-sample-persistence-java/tutorial/index.html
	akka-samples/akka-sample-persistence-scala/build.sbt
	akka-samples/akka-sample-persistence-scala/src/main/scala/sample/persistence/ConversationRecoveryExample.scala
	akka-samples/akka-sample-persistence-scala/src/main/scala/sample/persistence/PersistentActorExample.scala
	akka-samples/akka-sample-persistence-scala/src/main/scala/sample/persistence/ProcessorChannelExample.scala
	akka-samples/akka-sample-persistence-scala/src/main/scala/sample/persistence/ProcessorChannelRemoteExample.scala
	akka-samples/akka-sample-persistence-scala/src/main/scala/sample/persistence/SnapshotExample.scala
	akka-samples/akka-sample-persistence-scala/src/main/scala/sample/persistence/StreamExample.scala
	akka-samples/akka-sample-persistence-scala/tutorial/index.html
This commit is contained in:
Patrik Nordwall 2014-06-25 12:51:21 +02:00
parent 062d304b73
commit d6ffdf521c
35 changed files with 1091 additions and 2276 deletions
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42
akka-samples/akka-sample-persistence-scala/src/main/scala/sample/persistence/ViewExample.scala
View file

@ -6,23 +6,30 @@ import akka.actor._
import akka.persistence._
object ViewExample extends App {
class ExampleProcessor extends Processor {
override def processorId = "processor-5"
class ExamplePersistentActor extends PersistentActor {
override def persistenceId = "persistentActor-5"
def receive = {
case Persistent(payload, sequenceNr) =>
println(s"processor received ${payload} (sequence nr = ${sequenceNr})")
var count = 1
def receiveCommand: Actor.Receive = {
case payload: String =>
println(s"persistentActor received ${payload} (nr = ${count})")
persist(payload + count) { evt =>
count += 1
}
}
def receiveRecover: Actor.Receive = {
case _: String => count += 1
}
}
class ExampleView extends View {
private var numReplicated = 0
override def persistenceId: String = "processor-5"
override def viewId = "view-5"
override def persistenceId: String = "persistentActor-5"
private val destination = context.actorOf(Props[ExampleDestination])
private val channel = context.actorOf(Channel.props("channel"))
override def viewId = "view-5"
def receive = {
case "snap" =>
@ -30,29 +37,20 @@ object ViewExample extends App {
case SnapshotOffer(metadata, snapshot: Int) =>
numReplicated = snapshot
println(s"view received snapshot offer ${snapshot} (metadata = ${metadata})")
case Persistent(payload, sequenceNr) =>
case Persistent(payload, _) =>
numReplicated += 1
println(s"view received ${payload} (sequence nr = ${sequenceNr}, num replicated = ${numReplicated})")
channel ! Deliver(Persistent(s"replicated-${payload}"), destination.path)
println(s"view received ${payload} (num replicated = ${numReplicated})")
}
}
class ExampleDestination extends Actor {
def receive = {
case cp @ ConfirmablePersistent(payload, sequenceNr, _) =>
println(s"destination received ${payload} (sequence nr = ${sequenceNr})")
cp.confirm()
}
}
val system = ActorSystem("example")
val processor = system.actorOf(Props(classOf[ExampleProcessor]))
val persistentActor = system.actorOf(Props(classOf[ExamplePersistentActor]))
val view = system.actorOf(Props(classOf[ExampleView]))
import system.dispatcher
system.scheduler.schedule(Duration.Zero, 2.seconds, processor, Persistent("scheduled"))
system.scheduler.schedule(Duration.Zero, 2.seconds, persistentActor, "scheduled")
system.scheduler.schedule(Duration.Zero, 5.seconds, view, "snap")
}