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Document async and inetaddress DNS (#25414)

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* Document async and inetaddress DNS

Closes #25307
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Christopher Batey 2018-09-17 08:11:34 +01:00 • committed by GitHub
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akka-docs/src/test/java/jdocs/actor/io/dns/DnsCompileOnlyDocTest.java Normal file
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/*
* Copyright (C) 2018 Lightbend Inc. <https://www.lightbend.com>
*/
package jdocs.actor.io.dns;
import akka.actor.ActorRef;
import akka.actor.ActorSystem;
import akka.io.Dns;
import akka.io.IO;
import akka.io.dns.DnsProtocol;
import static akka.pattern.PatternsCS.ask;
import static akka.pattern.PatternsCS.pipe;
import scala.Option;
import java.util.concurrent.CompletionStage;
public class DnsCompileOnlyDocTest {
public static void example() {
ActorSystem system = ActorSystem.create();
ActorRef actorRef = null;
long timeout = 1000;
//#resolve
Option<Dns.Resolved> initial = Dns.get(system).cache().resolve("google.com", system, actorRef);
Option<Dns.Resolved> cached = Dns.get(system).cache().cached("google.com");
//#resolve
{
//#actor-api-inet-address
final ActorRef dnsManager = Dns.get(system).manager();
CompletionStage<Object> resolved = ask(dnsManager, new Dns.Resolve("google.com"), timeout);
//#actor-api-inet-address
}
{
//#actor-api-async
final ActorRef dnsManager = Dns.get(system).manager();
CompletionStage<Object> resolved = ask(dnsManager, DnsProtocol.resolve("google.com"), timeout);
//#actor-api-async
}
{
//#srv
final ActorRef dnsManager = Dns.get(system).manager();
CompletionStage<Object> resolved = ask(dnsManager, DnsProtocol.resolve("google.com", DnsProtocol.srvRequestType()), timeout);
//#srv
}
}
}