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ActorContext.getParent for Java API #22413

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Johan Andrén 2017-03-16 09:30:00 +01:00 • committed by GitHub
parent 5ff44194a3
commit 2eb226ed32
213 changed files with 1319 additions and 1523 deletions
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82
akka-docs/rst/java/code/docs/io/japi/EchoManager.java
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@ -1,82 +0,0 @@
/**
* Copyright (C) 2009-2017 Lightbend Inc. <http://www.lightbend.com>
*/
package docs.io.japi;
import java.net.InetSocketAddress;
import akka.actor.ActorRef;
import akka.actor.Props;
import akka.actor.SupervisorStrategy;
import akka.actor.AbstractActor;
import akka.event.Logging;
import akka.event.LoggingAdapter;
import akka.io.Tcp;
import akka.io.Tcp.Bind;
import akka.io.Tcp.Bound;
import akka.io.Tcp.CommandFailed;
import akka.io.Tcp.Connected;
import akka.io.TcpMessage;
public class EchoManager extends AbstractActor {
final LoggingAdapter log = Logging
.getLogger(getContext().system(), self());
final Class<?> handlerClass;
public EchoManager(Class<?> handlerClass) {
this.handlerClass = handlerClass;
}
@Override
public SupervisorStrategy supervisorStrategy() {
return SupervisorStrategy.stoppingStrategy();
}
@Override
public void preStart() throws Exception {
//#manager
final ActorRef tcpManager = Tcp.get(getContext().system()).manager();
//#manager
tcpManager.tell(
TcpMessage.bind(self(), new InetSocketAddress("localhost", 0), 100),
self());
}
@Override
public void postRestart(Throwable arg0) throws Exception {
// do not restart
getContext().stop(self());
}
@Override
public Receive createReceive() {
return receiveBuilder()
.match(Bound.class, msg -> {
log.info("listening on [{}]", msg.localAddress());
})
.match(Tcp.CommandFailed.class, failed -> {
if (failed.cmd() instanceof Bind) {
log.warning("cannot bind to [{}]", ((Bind) failed.cmd()).localAddress());
getContext().stop(self());
} else {
log.warning("unknown command failed [{}]", failed.cmd());
}
})
.match(Connected.class, conn -> {
log.info("received connection from [{}]", conn.remoteAddress());
final ActorRef connection = sender();
final ActorRef handler = getContext().actorOf(
Props.create(handlerClass, connection, conn.remoteAddress()));
//#echo-manager
connection.tell(TcpMessage.register(handler,
true, // <-- keepOpenOnPeerClosed flag
true), self());
//#echo-manager
})
.build();
}
}