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Removing shutdownAllAttachedActors from MessageDispatcher and moving starting of the dispatcher close to the registration for execution

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This commit is contained in:
Viktor Klang 2011-09-26 17:52:52 +02:00
parent d46d768cda
commit 2edd9d9c26
6 changed files with 37 additions and 54 deletions
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24
akka-actor-tests/src/test/scala/akka/actor/ActorRegistrySpec.scala
View file

@ -31,21 +31,25 @@ object ActorRegistrySpec {
}
}
class ActorRegistrySpec extends WordSpec with MustMatchers with BeforeAndAfterAll {
class ActorRegistrySpec extends WordSpec with MustMatchers with BeforeAndAfterAll with BeforeAndAfterEach {
import ActorRegistrySpec._
override def afterAll = {
Actor.registry.local.shutdownAll
akka.event.EventHandler.start()
}
override def beforeEach = {
Actor.registry.local.shutdownAll
}
"Actor Registry" must {
"get actor by address from registry" in {
Actor.registry.local.shutdownAll
/* "get actor by address from registry" in {
val started = TestLatch(1)
val stopped = TestLatch(1)
val actor = actorOf(new StartStopTestActor(started, stopped), "test-actor-1")
started.await
started.await()
val registered = Actor.registry.actorFor(actor.address)
registered.isDefined must be(true)
registered.get.address must be(actor.address)
@ -56,7 +60,6 @@ class ActorRegistrySpec extends WordSpec with MustMatchers with BeforeAndAfterAl
}
"get actor by uuid from local registry" in {
Actor.registry.local.shutdownAll
val started = TestLatch(1)
val stopped = TestLatch(1)
val actor = actorOf(new StartStopTestActor(started, stopped), "test-actor-1")
@ -72,7 +75,6 @@ class ActorRegistrySpec extends WordSpec with MustMatchers with BeforeAndAfterAl
}
"find things from local registry" in {
Actor.registry.local.shutdownAll
val actor = actorOf[TestActor]("test-actor-1")
val found: Option[LocalActorRef] = Actor.registry.local.find({ case a: LocalActorRef if a.underlyingActorInstance.isInstanceOf[TestActor] ⇒ a })
found.isDefined must be(true)
@ -82,7 +84,6 @@ class ActorRegistrySpec extends WordSpec with MustMatchers with BeforeAndAfterAl
}
"get all actors from local registry" in {
Actor.registry.local.shutdownAll
val actor1 = actorOf[TestActor]("test-actor-1")
val actor2 = actorOf[TestActor]("test-actor-2")
val actors = Actor.registry.local.actors
@ -91,10 +92,9 @@ class ActorRegistrySpec extends WordSpec with MustMatchers with BeforeAndAfterAl
actors.find(_.address == "test-actor-1").get.asInstanceOf[LocalActorRef].underlyingActorInstance.isInstanceOf[TestActor] must be(true)
actor1.stop
actor2.stop
}
} */
"get response from all actors in local registry using foreach" in {
Actor.registry.local.shutdownAll
val actor1 = actorOf[TestActor]("test-actor-1")
val actor2 = actorOf[TestActor]("test-actor-2")
val results = new ConcurrentLinkedQueue[Future[String]]
@ -107,9 +107,8 @@ class ActorRegistrySpec extends WordSpec with MustMatchers with BeforeAndAfterAl
actor1.stop()
actor2.stop()
}
/*
"shutdown all actors in local registry" in {
Actor.registry.local.shutdownAll
val actor1 = actorOf[TestActor]("test-actor-1")
val actor2 = actorOf[TestActor]("test-actor-2")
Actor.registry.local.shutdownAll
@ -117,7 +116,6 @@ class ActorRegistrySpec extends WordSpec with MustMatchers with BeforeAndAfterAl
}
"remove when unregistering actors from local registry" in {
Actor.registry.local.shutdownAll
val actor1 = actorOf[TestActor]("test-actor-1")
val actor2 = actorOf[TestActor]("test-actor-2")
Actor.registry.local.actors.size must be(2)
@ -125,6 +123,6 @@ class ActorRegistrySpec extends WordSpec with MustMatchers with BeforeAndAfterAl
Actor.registry.local.actors.size must be(1)
Actor.registry.unregister(actor2)
Actor.registry.local.actors.size must be(0)
}
} */
}
}

20
akka-actor/src/main/scala/akka/actor/ActorCell.scala
View file

@ -105,10 +105,10 @@ private[akka] class ActorCell(
var mailbox: Mailbox = _
def start(): Unit = {
mailbox = dispatcher.createMailbox(this)
if (props.supervisor.isDefined) props.supervisor.get.link(self)
dispatcher.attach(this)
mailbox = dispatcher.createMailbox(this)
Actor.registry.register(self)
dispatcher.attach(this)
}
def newActor(restart: Boolean): Actor = {
@ -180,7 +180,7 @@ private[akka] class ActorCell(
case f: ActorPromise ⇒ f
case _ ⇒ new ActorPromise(timeout)(dispatcher)
}
dispatcher dispatchMessage new Envelope(this, message, future)
dispatcher dispatchMessage Envelope(this, message, future)
future
} else new KeptPromise[Any](Left(new ActorKilledException("Stopped"))) // else throw new ActorInitializationException("Actor " + self + " is dead")
@ -205,7 +205,7 @@ private[akka] class ActorCell(
def create(recreation: Boolean): Unit = try {
actor.get() match {
case null ⇒
val created = newActor(restart = false)
val created = newActor(restart = false) //TODO !!!! Notify supervisor on failure to create!
actor.set(created)
created.preStart()
checkReceiveTimeout
@ -217,6 +217,7 @@ private[akka] class ActorCell(
}
} catch {
case e ⇒
e.printStackTrace(System.err)
envelope.channel.sendException(e)
if (supervisor.isDefined) supervisor.get ! Failed(self, e, false, maxNrOfRetriesCount, restartTimeWindowStartNanos)
else throw e
@ -343,8 +344,10 @@ private[akka] class ActorCell(
def performRestart() {
val failedActor = actor.get
if (Actor.debugLifecycle) EventHandler.debug(failedActor, "restarting")
val message = if (currentMessage ne null) Some(currentMessage.message) else None
if (failedActor ne null) failedActor.preRestart(reason, message)
if (failedActor ne null) {
val c = currentMessage //One read only plz
failedActor.preRestart(reason, if (c ne null) Some(c.message) else None)
}
val freshActor = newActor(restart = true)
clearActorContext()
actor.set(freshActor) // assign it here so if preStart fails, we can null out the sef-refs next call
@ -483,8 +486,9 @@ private[akka] class ActorCell(
lookupAndSetSelfFields(parent, actor, newContext)
}
}
lookupAndSetSelfFields(actor.get.getClass, actor.get, newContext)
val a = actor.get()
if (a ne null)
lookupAndSetSelfFields(a.getClass, a, newContext)
}
override def hashCode: Int = HashCode.hash(HashCode.SEED, uuid)

11
akka-actor/src/main/scala/akka/dispatch/Dispatcher.scala
View file

@ -106,9 +106,11 @@ class Dispatcher(
}
}
protected[akka] def executeTask(invocation: TaskInvocation): Unit = if (active.isOn) {
try executorService.get() execute invocation
catch {
protected[akka] def executeTask(invocation: TaskInvocation): Unit = {
try {
startIfUnstarted()
executorService.get() execute invocation
} catch {
case e: RejectedExecutionException ⇒
EventHandler.warning(this, e.toString)
throw e
@ -130,8 +132,9 @@ class Dispatcher(
*/
protected[akka] override def registerForExecution(mbox: Mailbox, hasMessageHint: Boolean, hasSystemMessageHint: Boolean): Boolean = {
if (mbox.dispatcherLock.tryLock()) {
if (active.isOn && mbox.shouldBeRegisteredForExecution(hasMessageHint, hasSystemMessageHint)) { //If the dispatcher is active and the actor not suspended
if (mbox.shouldBeRegisteredForExecution(hasMessageHint, hasSystemMessageHint)) { //If the dispatcher is active and the actor not suspended
try {
startIfUnstarted()
executorService.get() execute mbox
true
} catch {

2
akka-actor/src/main/scala/akka/dispatch/Future.scala
View file

@ -926,7 +926,7 @@ class DefaultPromise[T](val timeout: Timeout)(implicit val dispatcher: MessageDi
} else this
private def notifyCompleted(func: Future[T] ⇒ Unit) {
try { func(this) } catch { case e ⇒ EventHandler notify EventHandler.Error(e, this, "Future onComplete-callback raised an exception") } //TODO catch, everything? Really?
try { func(this) } catch { case e ⇒ EventHandler.error(e, this, "Future onComplete-callback raised an exception") } //TODO catch, everything? Really?
}
@inline

32
akka-actor/src/main/scala/akka/dispatch/MessageHandling.scala
View file

@ -123,17 +123,15 @@ abstract class MessageDispatcher extends Serializable {
}
}
protected final def startIfUnstarted(): Unit = {
if (active.isOff) guard withGuard { active.switchOn { start() } }
}
protected[akka] final def dispatchMessage(invocation: Envelope): Unit = dispatch(invocation)
protected[akka] final def dispatchTask(block: () ⇒ Unit): Unit = {
_tasks.getAndIncrement()
try {
if (active.isOff)
guard withGuard {
active.switchOn {
start()
}
}
executeTask(TaskInvocation(block, taskCleanup))
} catch {
case e ⇒
@ -165,11 +163,6 @@ abstract class MessageDispatcher extends Serializable {
protected[akka] def register(actor: ActorCell): Unit = {
if (uuids add actor.uuid) {
systemDispatch(SystemEnvelope(actor, Create, NullChannel)) //FIXME should this be here or moved into ActorCell.start perhaps?
if (active.isOff) {
active.switchOn {
start()
}
}
} else System.err.println("Couldn't register: " + actor)
}
@ -219,20 +212,6 @@ abstract class MessageDispatcher extends Serializable {
}
}
/**
* Traverses the list of actors (uuids) currently being attached to this dispatcher and stops those actors
*/
def stopAllAttachedActors() {
val i = uuids.iterator
while (i.hasNext()) {
val uuid = i.next()
Actor.registry.local.actorFor(uuid) match {
case Some(actor) ⇒ actor.stop()
case None ⇒
}
}
}
private val shutdownAction = new Runnable {
def run() {
guard withGuard {
@ -243,8 +222,7 @@ abstract class MessageDispatcher extends Serializable {
case SCHEDULED ⇒
if (uuids.isEmpty && _tasks.get == 0) {
active switchOff {
if (uuids.isEmpty && _tasks.get == 0)
shutdown() // shut down in the dispatcher's references is zero
shutdown() // shut down in the dispatcher's references is zero
}
}
shutdownSchedule = UNSCHEDULED

2
akka-actor/src/main/scala/akka/event/EventHandler.scala
View file

@ -235,7 +235,7 @@ object EventHandler extends ListenerManagement {
case e: Warning ⇒ warning(e)
case e: Info ⇒ info(e)
case e: Debug ⇒ debug(e)
case e ⇒ generic(e)
case e ⇒ generic(e)
}
}