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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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58
akka-samples/akka-sample-persistence-java/src/main/java/sample/persistence/ViewExample.java
View file

@ -1,31 +1,47 @@
package sample.persistence;
import java.util.concurrent.TimeUnit;
import scala.concurrent.duration.Duration;
import akka.actor.*;
import akka.persistence.*;
import akka.japi.Procedure;
public class ViewExample {
public static class ExampleProcessor extends UntypedProcessor {
public static class ExamplePersistentActor extends UntypedPersistentActor {
private int count = 1;
@Override
public String processorId() {
return "processor-5";
public String persistenceId() {
return "persistentActor-5";
}
@Override
public void onReceiveRecover(Object message) {
if (message instanceof String) {
count += 1;
} else {
unhandled(message);
}
}
@Override
public void onReceive(Object message) throws Exception {
if (message instanceof Persistent) {
Persistent p = (Persistent)message;
System.out.println(String.format("processor received %s (sequence nr = %d)", p.payload(), p.sequenceNr()));
}
public void onReceiveCommand(Object message) {
if (message instanceof String) {
String s = (String) message;
System.out.println(String.format("persistentActor received %s (nr = %d)", s, count));
persist(s + count, new Procedure<String>() {
public void apply(String evt) {
count += 1;
}
});
} else {
unhandled(message);
}
}
}
public static class ExampleView extends UntypedView {
private final ActorRef destination = getContext().actorOf(Props.create(ExampleDestination.class));
private final ActorRef channel = getContext().actorOf(Channel.props("channel"));
private int numReplicated = 0;
@ -36,7 +52,7 @@ public class ViewExample {
@Override
public String persistenceId() {
return "processor-5";
return "persistentActor-5";
}
@Override
@ -44,8 +60,7 @@ public class ViewExample {
if (message instanceof Persistent) {
Persistent p = (Persistent)message;
numReplicated += 1;
System.out.println(String.format("view received %s (sequence nr = %d, num replicated = %d)", p.payload(), p.sequenceNr(), numReplicated));
channel.tell(Deliver.create(p.withPayload("replicated-" + p.payload()), destination.path()), getSelf());
System.out.println(String.format("view received %s (num replicated = %d)", p.payload(), numReplicated));
} else if (message instanceof SnapshotOffer) {
SnapshotOffer so = (SnapshotOffer)message;
numReplicated = (Integer)so.snapshot();
@ -56,23 +71,12 @@ public class ViewExample {
}
}
public static class ExampleDestination extends UntypedActor {
@Override
public void onReceive(Object message) throws Exception {
if (message instanceof ConfirmablePersistent) {
ConfirmablePersistent cp = (ConfirmablePersistent)message;
System.out.println(String.format("destination received %s (sequence nr = %s)", cp.payload(), cp.sequenceNr()));
cp.confirm();
}
}
}
public static void main(String... args) throws Exception {
final ActorSystem system = ActorSystem.create("example");
final ActorRef processor = system.actorOf(Props.create(ExampleProcessor.class));
final ActorRef persistentActor = system.actorOf(Props.create(ExamplePersistentActor.class));
final ActorRef view = system.actorOf(Props.create(ExampleView.class));
system.scheduler().schedule(Duration.Zero(), Duration.create(2, TimeUnit.SECONDS), processor, Persistent.create("scheduled"), system.dispatcher(), null);
system.scheduler().schedule(Duration.Zero(), Duration.create(2, TimeUnit.SECONDS), persistentActor, "scheduled", system.dispatcher(), null);
system.scheduler().schedule(Duration.Zero(), Duration.create(5, TimeUnit.SECONDS), view, "snap", system.dispatcher(), null);
}
}