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Merge branch 'wip-1581-patterns-ask'

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Roland 2012-01-23 18:35:30 +01:00
commit 2a0c4ca145
126 changed files with 980 additions and 415 deletions
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19
akka-docs/java/code/akka/docs/actor/FaultHandlingTestBase.java
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@ -13,6 +13,7 @@ import akka.actor.Props;
import akka.actor.Terminated;
import akka.actor.UntypedActor;
import akka.dispatch.Await;
import static akka.pattern.Patterns.ask;
import akka.util.Duration;
import akka.testkit.AkkaSpec;
import akka.testkit.TestProbe;
@ -160,19 +161,19 @@ public class FaultHandlingTestBase {
//#create
Props superprops = new Props(Supervisor.class);
ActorRef supervisor = system.actorOf(superprops, "supervisor");
ActorRef child = (ActorRef) Await.result(supervisor.ask(new Props(Child.class), 5000), timeout);
ActorRef child = (ActorRef) Await.result(ask(supervisor, new Props(Child.class), 5000), timeout);
//#create
//#resume
child.tell(42);
assert Await.result(child.ask("get", 5000), timeout).equals(42);
assert Await.result(ask(child, "get", 5000), timeout).equals(42);
child.tell(new ArithmeticException());
assert Await.result(child.ask("get", 5000), timeout).equals(42);
assert Await.result(ask(child, "get", 5000), timeout).equals(42);
//#resume
//#restart
child.tell(new NullPointerException());
assert Await.result(child.ask("get", 5000), timeout).equals(0);
assert Await.result(ask(child, "get", 5000), timeout).equals(0);
//#restart
//#stop
@ -183,9 +184,9 @@ public class FaultHandlingTestBase {
//#stop
//#escalate-kill
child = (ActorRef) Await.result(supervisor.ask(new Props(Child.class), 5000), timeout);
child = (ActorRef) Await.result(ask(supervisor, new Props(Child.class), 5000), timeout);
probe.watch(child);
assert Await.result(child.ask("get", 5000), timeout).equals(0);
assert Await.result(ask(child, "get", 5000), timeout).equals(0);
child.tell(new Exception());
probe.expectMsg(new Terminated(child));
//#escalate-kill
@ -193,11 +194,11 @@ public class FaultHandlingTestBase {
//#escalate-restart
superprops = new Props(Supervisor2.class);
supervisor = system.actorOf(superprops, "supervisor2");
child = (ActorRef) Await.result(supervisor.ask(new Props(Child.class), 5000), timeout);
child = (ActorRef) Await.result(ask(supervisor, new Props(Child.class), 5000), timeout);
child.tell(23);
assert Await.result(child.ask("get", 5000), timeout).equals(23);
assert Await.result(ask(child, "get", 5000), timeout).equals(23);
child.tell(new Exception());
assert Await.result(child.ask("get", 5000), timeout).equals(0);
assert Await.result(ask(child, "get", 5000), timeout).equals(0);
//#escalate-restart
//#testkit
}

56
akka-docs/java/code/akka/docs/actor/UntypedActorDocTestBase.java
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@ -11,6 +11,7 @@ import akka.actor.Props;
//#import-future
import akka.dispatch.Future;
import akka.dispatch.Futures;
import akka.dispatch.Await;
import akka.util.Duration;
import akka.util.Timeout;
@ -36,6 +37,17 @@ import akka.util.Duration;
import akka.actor.ActorTimeoutException;
//#import-gracefulStop
//#import-askPipeTo
import static akka.pattern.Patterns.ask;
import static akka.pattern.Patterns.pipeTo;
import akka.dispatch.Future;
import akka.dispatch.Futures;
import akka.util.Duration;
import akka.util.Timeout;
import java.util.concurrent.TimeUnit;
import java.util.ArrayList;
//#import-askPipeTo
import akka.actor.Props;
import akka.actor.UntypedActor;
import akka.actor.UntypedActorFactory;
@ -44,7 +56,10 @@ import akka.dispatch.MessageDispatcher;
import org.junit.Test;
import scala.Option;
import java.lang.Object;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.concurrent.TimeUnit;
import akka.pattern.Patterns;
import static org.junit.Assert.*;
@ -123,7 +138,7 @@ public class UntypedActorDocTestBase {
}), "myactor");
//#using-ask
Future<Object> future = myActor.ask("Hello", 1000);
Future<Object> future = Patterns.ask(myActor, "Hello", 1000);
Object result = Await.result(future, Duration.create(1, TimeUnit.SECONDS));
//#using-ask
system.shutdown();
@ -175,7 +190,7 @@ public class UntypedActorDocTestBase {
public void useWatch() {
ActorSystem system = ActorSystem.create("MySystem");
ActorRef myActor = system.actorOf(new Props(WatchActor.class));
Future<Object> future = myActor.ask("kill", 1000);
Future<Object> future = Patterns.ask(myActor, "kill", 1000);
assert Await.result(future, Duration.parse("1 second")).equals("finished");
system.shutdown();
}
@ -196,6 +211,43 @@ public class UntypedActorDocTestBase {
//#gracefulStop
system.shutdown();
}
class Result {
final int x;
final String s;
public Result(int x, String s) {
this.x = x;
this.s = s;
}
}
@Test
public void usePatternsAskPipeTo() {
ActorSystem system = ActorSystem.create("MySystem");
ActorRef actorA = system.actorOf(new Props(MyUntypedActor.class));
ActorRef actorB = system.actorOf(new Props(MyUntypedActor.class));
ActorRef actorC = system.actorOf(new Props(MyUntypedActor.class));
//#ask-pipeTo
final Timeout t = new Timeout(Duration.create(5, TimeUnit.SECONDS));
final ArrayList<Future<Object>> futures = new ArrayList<Future<Object>>();
futures.add(ask(actorA, "request", 1000)); // using 1000ms timeout
futures.add(ask(actorB, "reqeest", t)); // using timeout from above
final Future<Iterable<Object>> aggregate = Futures.sequence(futures, system.dispatcher());
final Future<Result> transformed = aggregate.map(new akka.japi.Function<Iterable<Object>, Result>() {
public Result apply(Iterable<Object> coll) {
final Iterator<Object> it = coll.iterator();
final String s = (String) it.next();
final int x = (Integer) it.next();
return new Result(x, s);
}
});
pipeTo(transformed, actorC);
//#ask-pipeTo
}
public static class MyActor extends UntypedActor {

4
akka-docs/java/code/akka/docs/future/FutureDocTestBase.java
View file

@ -53,9 +53,9 @@ import akka.actor.Status.Failure;
import akka.actor.ActorSystem;
import akka.actor.UntypedActor;
import akka.actor.ActorRef;
import akka.docs.actor.MyUntypedActor;
import akka.actor.Props;
import akka.dispatch.Futures;
import akka.pattern.Patterns;
import static org.junit.Assert.*;
@ -79,7 +79,7 @@ public class FutureDocTestBase {
String msg = "hello";
//#ask-blocking
Timeout timeout = system.settings().ActorTimeout();
Future<Object> future = actor.ask(msg, timeout);
Future<Object> future = Patterns.ask(actor, msg, timeout);
String result = (String) Await.result(future, timeout.duration());
//#ask-blocking
assertEquals("HELLO", result);

5
akka-docs/java/code/akka/docs/jrouting/CustomRouterDocTestBase.java
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@ -19,6 +19,7 @@ import akka.dispatch.Await;
import akka.dispatch.Future;
import akka.testkit.AkkaSpec;
import com.typesafe.config.ConfigFactory;
import static akka.pattern.Patterns.ask;
import static akka.docs.jrouting.CustomRouterDocTestBase.DemocratActor;
import static akka.docs.jrouting.CustomRouterDocTestBase.RepublicanActor;
@ -48,8 +49,8 @@ public class CustomRouterDocTestBase {
routedActor.tell(DemocratVote);
routedActor.tell(RepublicanVote);
Timeout timeout = new Timeout(Duration.parse("1 seconds"));
Future<Object> democratsResult = routedActor.ask(DemocratCountResult, timeout);
Future<Object> republicansResult = routedActor.ask(RepublicanCountResult, timeout);
Future<Object> democratsResult = ask(routedActor, DemocratCountResult, timeout);
Future<Object> republicansResult = ask(routedActor, RepublicanCountResult, timeout);
assertEquals(3, Await.result(democratsResult, timeout.duration()));
assertEquals(2, Await.result(republicansResult, timeout.duration()));

4
akka-docs/java/code/akka/docs/jrouting/ParentActor.java
View file

@ -55,8 +55,8 @@ public class ParentActor extends UntypedActor {
new Props(FibonacciActor.class).withRouter(new ScatterGatherFirstCompletedRouter(5, Duration
.parse("2 seconds"))), "router");
Timeout timeout = getContext().system().settings().ActorTimeout();
Future<Object> futureResult = scatterGatherFirstCompletedRouter.ask(new FibonacciActor.FibonacciNumber(10),
timeout);
Future<Object> futureResult = akka.pattern.Patterns.ask(
scatterGatherFirstCompletedRouter, new FibonacciActor.FibonacciNumber(10), timeout);
int result = (Integer) Await.result(futureResult, timeout.duration());
//#scatterGatherFirstCompletedRouter
System.out.println(String.format("The result of calculating Fibonacci for 10 is %d", result));

9
akka-docs/java/code/akka/docs/transactor/TransactorDocTest.java
View file

@ -10,6 +10,7 @@ import org.junit.Test;
//#imports
import akka.actor.*;
import akka.dispatch.Await;
import static akka.pattern.Patterns.ask;
import akka.transactor.Coordinated;
import akka.util.Duration;
import akka.util.Timeout;
@ -30,7 +31,7 @@ public class TransactorDocTest {
counter1.tell(new Coordinated(new Increment(counter2), timeout));
Integer count = (Integer) Await.result(counter1.ask("GetCount", timeout), timeout.duration());
Integer count = (Integer) Await.result(ask(counter1, "GetCount", timeout), timeout.duration());
//#coordinated-example
assertEquals(count, new Integer(1));
@ -71,7 +72,7 @@ public class TransactorDocTest {
counter.tell(coordinated.coordinate(new Increment()));
coordinated.await();
Integer count = (Integer) Await.result(counter.ask("GetCount", timeout), timeout.duration());
Integer count = (Integer) Await.result(ask(counter, "GetCount", timeout), timeout.duration());
assertEquals(count, new Integer(1));
system.shutdown();
@ -88,10 +89,10 @@ public class TransactorDocTest {
friendlyCounter.tell(coordinated.coordinate(new Increment(friend)));
coordinated.await();
Integer count1 = (Integer) Await.result(friendlyCounter.ask("GetCount", timeout), timeout.duration());
Integer count1 = (Integer) Await.result(ask(friendlyCounter, "GetCount", timeout), timeout.duration());
assertEquals(count1, new Integer(1));
Integer count2 = (Integer) Await.result(friend.ask("GetCount", timeout), timeout.duration());
Integer count2 = (Integer) Await.result(ask(friend, "GetCount", timeout), timeout.duration());
assertEquals(count2, new Integer(1));
system.shutdown();