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Merge branch 'master' of github.com:jboner/akka

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This commit is contained in:
Jonas Bonér 2011-04-06 10:18:14 +02:00
commit eb5a38cd69
46 changed files with 71 additions and 46 deletions
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25
akka-tutorials/akka-tutorial-first/src/main/java/akka/tutorial/java/first/Pi.java
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@ -4,13 +4,18 @@
package akka.tutorial.java.first;
import akka.actor.*;
import static akka.actor.Actors.*;
import akka.routing.*;
import static akka.routing.Routing.Broadcast;
import static akka.actor.Actors.actorOf;
import static akka.actor.Actors.poisonPill;
import static java.util.Arrays.asList;
import akka.actor.ActorRef;
import akka.actor.UntypedActor;
import akka.actor.UntypedActorFactory;
import akka.routing.CyclicIterator;
import akka.routing.InfiniteIterator;
import akka.routing.Routing.Broadcast;
import akka.routing.UntypedLoadBalancer;
import java.util.concurrent.CountDownLatch;
/**
@ -80,7 +85,7 @@ public class Pi {
// define the work
private double calculatePiFor(int arg, int nrOfElements) {
double acc = 0.0D;
double acc = 0.0;
for (int i = arg * nrOfElements; i <= ((arg + 1) * nrOfElements - 1); i++) {
acc += 4 * Math.pow(-1, i) / (2 * i + 1);
}
@ -90,7 +95,7 @@ public class Pi {
// message handler
public void onReceive(Object message) {
if (message instanceof Work) {
Work work = (Work)message;
Work work = (Work) message;
getContext().replyUnsafe(new Result(calculatePiFor(work.getArg(), work.getNrOfElements()))); // perform the work
} else throw new IllegalArgumentException("Unknown message [" + message + "]");
}
@ -100,7 +105,6 @@ public class Pi {
// ===== Master =====
// ==================
static class Master extends UntypedActor {
private final int nrOfWorkers;
private final int nrOfMessages;
private final int nrOfElements;
private final CountDownLatch latch;
@ -124,7 +128,6 @@ public class Pi {
}
public Master(int nrOfWorkers, int nrOfMessages, int nrOfElements, CountDownLatch latch) {
this.nrOfWorkers = nrOfWorkers;
this.nrOfMessages = nrOfMessages;
this.nrOfElements = nrOfElements;
this.latch = latch;
@ -161,7 +164,7 @@ public class Pi {
} else if (message instanceof Result) {
// handle result from the worker
Result result = (Result)message;
Result result = (Result) message;
pi += result.getValue();
nrOfResults += 1;
if (nrOfResults == nrOfMessages) getContext().stop();