Fix remaining tests in akka-actor-tests
This commit is contained in:
Peter Vlugter
parent
f7c1123dab
commit
fa94198656
12 changed files with 188 additions and 140 deletions
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@ -21,7 +21,7 @@ class DeployerSpec extends AkkaSpec {
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LeastCPU,
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NrOfInstances(3),
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BannagePeriodFailureDetector(10),
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app.deployment.RemoteScope(List(
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app.deployer.deploymentConfig.RemoteScope(List(
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RemoteAddress("wallace", 2552), RemoteAddress("gromit", 2552))))))
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// ClusterScope(
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// List(Node("node1")),
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@ -19,7 +19,7 @@ import java.util.concurrent.atomic.AtomicInteger
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import java.util.concurrent.LinkedBlockingQueue
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import akka.testkit.AkkaSpec
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class SupervisorSpec extends AkkaSpec with BeforeAndAfterEach with BeforeAndAfterAll {
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object SupervisorSpec {
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val Timeout = 5 seconds
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val TimeoutMillis = Timeout.dilated.toMillis.toInt
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@ -57,11 +57,16 @@ class SupervisorSpec extends AkkaSpec with BeforeAndAfterEach with BeforeAndAfte
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val temp = context.createActor(Props[PingPongActor].withSupervisor(self))
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override def receive = {
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def receive = {
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case Die ⇒ (temp.?(Die, TimeoutMillis)).get
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case _: Terminated ⇒
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}
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}
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}
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class SupervisorSpec extends AkkaSpec with BeforeAndAfterEach with BeforeAndAfterAll {
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import SupervisorSpec._
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// =====================================================
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// Creating actors and supervisors
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@ -8,11 +8,12 @@ import org.scalatest.{ BeforeAndAfterAll, BeforeAndAfterEach }
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import akka.japi.{ Option ⇒ JOption }
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import akka.util.Duration
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import akka.dispatch.{ Dispatchers, Future, KeptPromise }
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import akka.serialization.Serialization
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import java.util.concurrent.atomic.AtomicReference
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import annotation.tailrec
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import akka.testkit.{ EventFilter, filterEvents, AkkaSpec }
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class TypedActorSpec extends AkkaSpec with BeforeAndAfterEach with BeforeAndAfterAll {
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object TypedActorSpec {
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class CyclicIterator[T](val items: Seq[T]) extends Iterator[T] {
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@ -42,7 +43,7 @@ class TypedActorSpec extends AkkaSpec with BeforeAndAfterEach with BeforeAndAfte
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trait Foo {
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def pigdog(): String
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def self = app.typedActor.self[Foo]
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def self = TypedActor.self[Foo]
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def futurePigdog(): Future[String]
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@ -75,6 +76,8 @@ class TypedActorSpec extends AkkaSpec with BeforeAndAfterEach with BeforeAndAfte
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class Bar extends Foo with Serializable {
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import TypedActor.{ dispatcher, timeout }
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def pigdog = "Pigdog"
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def futurePigdog(): Future[String] = new KeptPromise(Right(pigdog))
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@ -130,6 +133,11 @@ class TypedActorSpec extends AkkaSpec with BeforeAndAfterEach with BeforeAndAfte
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class StackedImpl extends Stacked {
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override def stacked: String = "FOOBAR" //Uppercase
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}
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}
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class TypedActorSpec extends AkkaSpec with BeforeAndAfterEach with BeforeAndAfterAll {
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import TypedActorSpec._
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def newFooBar: Foo = newFooBar(Duration(2, "s"))
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@ -164,7 +172,7 @@ class TypedActorSpec extends AkkaSpec with BeforeAndAfterEach with BeforeAndAfte
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"throw an IllegalStateExcpetion when TypedActor.self is called in the wrong scope" in {
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filterEvents(EventFilter[IllegalStateException]("Calling")) {
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(intercept[IllegalStateException] {
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app.typedActor.self[Foo]
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TypedActor.self[Foo]
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}).getMessage must equal("Calling TypedActor.self outside of a TypedActor implementation method!")
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}
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}
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@ -321,7 +329,7 @@ class TypedActorSpec extends AkkaSpec with BeforeAndAfterEach with BeforeAndAfte
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"be able to serialize and deserialize invocations" in {
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import java.io._
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val m = app.typedActor.MethodCall(classOf[Foo].getDeclaredMethod("pigdog"), Array[AnyRef]())
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val m = TypedActor.MethodCall(app, classOf[Foo].getDeclaredMethod("pigdog"), Array[AnyRef]())
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val baos = new ByteArrayOutputStream(8192 * 4)
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val out = new ObjectOutputStream(baos)
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@ -330,15 +338,17 @@ class TypedActorSpec extends AkkaSpec with BeforeAndAfterEach with BeforeAndAfte
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val in = new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray))
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val mNew = in.readObject().asInstanceOf[app.typedActor.MethodCall]
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Serialization.application.withValue(app) {
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val mNew = in.readObject().asInstanceOf[TypedActor.MethodCall]
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mNew.method must be(m.method)
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}
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}
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"be able to serialize and deserialize invocations' parameters" in {
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import java.io._
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val someFoo: Foo = new Bar
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val m = app.typedActor.MethodCall(classOf[Foo].getDeclaredMethod("testMethodCallSerialization", Array[Class[_]](classOf[Foo], classOf[String], classOf[Int]): _*), Array[AnyRef](someFoo, null, 1.asInstanceOf[AnyRef]))
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val m = TypedActor.MethodCall(app, classOf[Foo].getDeclaredMethod("testMethodCallSerialization", Array[Class[_]](classOf[Foo], classOf[String], classOf[Int]): _*), Array[AnyRef](someFoo, null, 1.asInstanceOf[AnyRef]))
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val baos = new ByteArrayOutputStream(8192 * 4)
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val out = new ObjectOutputStream(baos)
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@ -347,7 +357,8 @@ class TypedActorSpec extends AkkaSpec with BeforeAndAfterEach with BeforeAndAfte
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val in = new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray))
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val mNew = in.readObject().asInstanceOf[app.typedActor.MethodCall]
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Serialization.application.withValue(app) {
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val mNew = in.readObject().asInstanceOf[TypedActor.MethodCall]
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mNew.method must be(m.method)
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mNew.parameters must have size 3
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@ -358,4 +369,5 @@ class TypedActorSpec extends AkkaSpec with BeforeAndAfterEach with BeforeAndAfte
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mNew.parameters(2).asInstanceOf[Int] must be === 1
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}
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}
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}
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}
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@ -16,7 +16,7 @@ import akka.actor._
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import util.control.NoStackTrace
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import akka.AkkaApplication
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abstract class ActorModelSpec extends AkkaSpec {
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object ActorModelSpec {
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sealed trait ActorModelMessage
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@ -238,8 +238,13 @@ abstract class ActorModelSpec extends AkkaSpec {
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}
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throw new AssertionError("await failed")
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}
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}
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def newTestActor(implicit app: AkkaApplication) = app.createActor(Props[DispatcherActor].withDispatcher(app.dispatcher))
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abstract class ActorModelSpec extends AkkaSpec {
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import ActorModelSpec._
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def newTestActor(dispatcher: MessageDispatcher) = app.createActor(Props[DispatcherActor].withDispatcher(dispatcher))
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protected def newInterceptedDispatcher: MessageDispatcherInterceptor
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protected def dispatcherType: String
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@ -249,7 +254,7 @@ abstract class ActorModelSpec extends AkkaSpec {
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"must dynamically handle its own life cycle" in {
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implicit val dispatcher = newInterceptedDispatcher
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assertDispatcher(dispatcher)(starts = 0, stops = 0)
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val a = newTestActor
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val a = newTestActor(dispatcher)
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assertDispatcher(dispatcher)(starts = 1, stops = 0)
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a.stop()
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assertDispatcher(dispatcher)(starts = 1, stops = 1)
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@ -267,7 +272,7 @@ abstract class ActorModelSpec extends AkkaSpec {
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}
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assertDispatcher(dispatcher)(starts = 2, stops = 2)
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val a2 = newTestActor
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val a2 = newTestActor(dispatcher)
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val futures2 = for (i ← 1 to 10) yield Future { i }
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assertDispatcher(dispatcher)(starts = 3, stops = 2)
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@ -279,7 +284,7 @@ abstract class ActorModelSpec extends AkkaSpec {
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"process messages one at a time" in {
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implicit val dispatcher = newInterceptedDispatcher
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val start, oneAtATime = new CountDownLatch(1)
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val a = newTestActor
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val a = newTestActor(dispatcher)
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a ! CountDown(start)
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assertCountDown(start, Testing.testTime(3000), "Should process first message within 3 seconds")
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@ -298,7 +303,7 @@ abstract class ActorModelSpec extends AkkaSpec {
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"handle queueing from multiple threads" in {
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implicit val dispatcher = newInterceptedDispatcher
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val counter = new CountDownLatch(200)
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val a = newTestActor
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val a = newTestActor(dispatcher)
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for (i ← 1 to 10) {
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spawn {
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@ -329,7 +334,7 @@ abstract class ActorModelSpec extends AkkaSpec {
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"process messages in parallel" in {
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implicit val dispatcher = newInterceptedDispatcher
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val aStart, aStop, bParallel = new CountDownLatch(1)
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val a, b = newTestActor
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val a, b = newTestActor(dispatcher)
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a ! Meet(aStart, aStop)
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assertCountDown(aStart, Testing.testTime(3000), "Should process first message within 3 seconds")
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@ -351,7 +356,7 @@ abstract class ActorModelSpec extends AkkaSpec {
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"suspend and resume a failing non supervised permanent actor" in {
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filterEvents(EventFilter[Exception]("Restart")) {
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implicit val dispatcher = newInterceptedDispatcher
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val a = newTestActor
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val a = newTestActor(dispatcher)
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val done = new CountDownLatch(1)
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a ! Restart
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a ! CountDown(done)
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@ -364,7 +369,7 @@ abstract class ActorModelSpec extends AkkaSpec {
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"not process messages for a suspended actor" in {
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implicit val dispatcher = newInterceptedDispatcher
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val a = newTestActor.asInstanceOf[LocalActorRef]
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val a = newTestActor(dispatcher).asInstanceOf[LocalActorRef]
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val done = new CountDownLatch(1)
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a.suspend
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a ! CountDown(done)
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@ -387,7 +392,7 @@ abstract class ActorModelSpec extends AkkaSpec {
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def flood(num: Int) {
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val cachedMessage = CountDownNStop(new CountDownLatch(num))
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(1 to num) foreach { _ ⇒
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newTestActor ! cachedMessage
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newTestActor(dispatcher) ! cachedMessage
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}
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try {
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assertCountDown(cachedMessage.latch, Testing.testTime(10000), "Should process " + num + " countdowns")
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@ -421,25 +426,10 @@ abstract class ActorModelSpec extends AkkaSpec {
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}
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}
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"complete all uncompleted sender futures on deregister" in {
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implicit val dispatcher = newInterceptedDispatcher
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val a = newTestActor.asInstanceOf[LocalActorRef]
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a.suspend
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val f1: Future[String] = a ? Reply("foo") mapTo manifest[String]
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val stopped = a ? PoisonPill
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val shouldBeCompleted = for (i ← 1 to 10) yield a ? Reply(i)
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a.resume
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assert(f1.get == "foo")
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stopped.await
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for (each ← shouldBeCompleted)
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assert(each.await.exception.get.isInstanceOf[ActorKilledException])
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a.stop()
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}
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"continue to process messages when a thread gets interrupted" in {
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filterEvents(EventFilter[InterruptedException]("Ping!"), EventFilter[akka.event.EventHandler.EventHandlerException]) {
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implicit val dispatcher = newInterceptedDispatcher
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val a = newTestActor
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val a = newTestActor(dispatcher)
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val f1 = a ? Reply("foo")
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val f2 = a ? Reply("bar")
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val f3 = a ? Interrupt
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@ -463,7 +453,7 @@ abstract class ActorModelSpec extends AkkaSpec {
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"continue to process messages when exception is thrown" in {
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filterEvents(EventFilter[IndexOutOfBoundsException], EventFilter[RemoteException]) {
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implicit val dispatcher = newInterceptedDispatcher
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val a = newTestActor
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val a = newTestActor(dispatcher)
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val f1 = a ? Reply("foo")
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val f2 = a ? Reply("bar")
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val f3 = a ? new ThrowException(new IndexOutOfBoundsException("IndexOutOfBoundsException"))
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@ -486,25 +476,43 @@ abstract class ActorModelSpec extends AkkaSpec {
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}
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}
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class DispatcherModelTest extends ActorModelSpec {
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class DispatcherModelSpec extends ActorModelSpec {
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import ActorModelSpec._
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def newInterceptedDispatcher = ThreadPoolConfigDispatcherBuilder(config ⇒
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new Dispatcher("foo", app.AkkaConfig.DispatcherThroughput,
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app.dispatcherFactory.ThroughputDeadlineTimeMillis, app.dispatcherFactory.MailboxType,
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config, app.dispatcherFactory.DispatcherShutdownMillis) with MessageDispatcherInterceptor,
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ThreadPoolConfig()).build.asInstanceOf[MessageDispatcherInterceptor]
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def dispatcherType = "Dispatcher"
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"A " + dispatcherType must {
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"complete all uncompleted sender futures on deregister" in {
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implicit val dispatcher = newInterceptedDispatcher
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val a = newTestActor(dispatcher).asInstanceOf[LocalActorRef]
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a.suspend
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val f1: Future[String] = a ? Reply("foo") mapTo manifest[String]
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val stopped = a ? PoisonPill
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val shouldBeCompleted = for (i ← 1 to 10) yield a ? Reply(i)
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a.resume
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assert(f1.get == "foo")
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stopped.await
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for (each ← shouldBeCompleted)
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assert(each.await.exception.get.isInstanceOf[ActorKilledException])
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a.stop()
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}
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}
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}
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class BalancingDispatcherModelTest extends ActorModelSpec {
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class BalancingDispatcherModelSpec extends ActorModelSpec {
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import ActorModelSpec._
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def newInterceptedDispatcher = ThreadPoolConfigDispatcherBuilder(config ⇒
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new BalancingDispatcher("foo", 1, // TODO check why 1 here? (came from old test)
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app.dispatcherFactory.ThroughputDeadlineTimeMillis, app.dispatcherFactory.MailboxType,
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config, app.dispatcherFactory.DispatcherShutdownMillis) with MessageDispatcherInterceptor,
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ThreadPoolConfig()).build.asInstanceOf[MessageDispatcherInterceptor]
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def dispatcherType = "Balancing Dispatcher"
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// TOOD: fix this: disabling tests in this way does not work anymore with WordSpec
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//override def dispatcherShouldCompleteAllUncompletedSenderFuturesOnDeregister {
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//This is not true for the BalancingDispatcher
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//}
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def dispatcherType = "Balancing Dispatcher"
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}
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@ -38,14 +38,6 @@ class DispatcherActorSpec extends AkkaSpec {
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actor.stop()
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}
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"support sendReplySync" in {
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val actor = createActor(Props[TestActor].withDispatcher(app.dispatcherFactory.newDispatcher("test").build))
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val result = (actor.?("Hello", 10000)).as[String]
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assert("World" === result.get)
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actor.stop()
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sys.error("what sense does this test make?")
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}
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"support ask/reply" in {
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val actor = createActor(Props[TestActor].withDispatcher(app.dispatcherFactory.newDispatcher("test").build))
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val result = (actor ? "Hello").as[String]
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@ -42,14 +42,6 @@ class PinnedActorSpec extends AkkaSpec with BeforeAndAfterEach {
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actor.stop()
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}
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"support ask/reply sync" in {
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val actor = createActor(Props[TestActor].withDispatcher(app.dispatcherFactory.newPinnedDispatcher("test")))
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val result = (actor.?("Hello", 10000)).as[String]
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assert("World" === result.get)
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actor.stop()
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sys.error("why does this test make sense?")
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}
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"support ask/reply" in {
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val actor = createActor(Props[TestActor].withDispatcher(app.dispatcherFactory.newPinnedDispatcher("test")))
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val result = (actor ? "Hello").as[String]
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@ -8,13 +8,14 @@ import akka.util.duration._
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import java.util.concurrent.atomic.{ AtomicBoolean, AtomicInteger }
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import akka.testkit.AkkaSpec
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class ActorPoolSpec extends AkkaSpec {
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object ActorPoolSpec {
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trait Foo {
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def sq(x: Int, sleep: Long): Future[Int]
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}
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class FooImpl extends Foo {
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import TypedActor.dispatcher
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def sq(x: Int, sleep: Long): Future[Int] = {
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if (sleep > 0) Thread.sleep(sleep)
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new KeptPromise(Right(x * x))
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@ -22,6 +23,10 @@ class ActorPoolSpec extends AkkaSpec {
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}
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val faultHandler = OneForOneStrategy(List(classOf[Exception]), 5, 1000)
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}
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class ActorPoolSpec extends AkkaSpec {
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import ActorPoolSpec._
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"Actor Pool" must {
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@ -7,7 +7,11 @@ import akka.actor.dispatch.ActorModelSpec
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import java.util.concurrent.CountDownLatch
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import org.junit.{ After, Test }
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// TODO fix this test when the CallingThreadDispatcher is fixed
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/*
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class CallingThreadDispatcherModelSpec extends ActorModelSpec {
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import ActorModelSpec._
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def newInterceptedDispatcher = new CallingThreadDispatcher with MessageDispatcherInterceptor
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def dispatcherType = "Calling Thread Dispatcher"
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@ -49,5 +53,4 @@ class CallingThreadDispatcherModelSpec extends ActorModelSpec {
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}
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}
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// vim: set ts=2 sw=2 et:
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*/
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@ -148,7 +148,6 @@ class AkkaApplication(val name: String, val config: Configuration) extends Actor
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// TODO think about memory consistency effects when doing funky stuff inside an ActorRefProvider's constructor
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val deployer = new Deployer(this)
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val deployment = new DeploymentConfig(this)
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// TODO think about memory consistency effects when doing funky stuff inside an ActorRefProvider's constructor
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val provider: ActorRefProvider = new LocalActorRefProvider(this, deployer)
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@ -385,7 +385,7 @@ case class SerializedActorRef(uuid: Uuid,
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address: String,
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hostname: String,
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port: Int) {
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import akka.serialization.Serialization._
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import akka.serialization.Serialization.application
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@throws(classOf[java.io.ObjectStreamException])
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def readResolve(): AnyRef = {
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@ -42,14 +42,7 @@ trait ActorRefFactory {
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* the same address can race on the cluster, and then you never know which
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* implementation wins
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*/
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def createActor(props: Props, address: String): ActorRef = {
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val p =
|
||||
if (props.dispatcher == Props.defaultDispatcher)
|
||||
props.copy(dispatcher = dispatcher)
|
||||
else
|
||||
props
|
||||
provider.actorOf(p, address).get
|
||||
}
|
||||
def createActor(props: Props, address: String): ActorRef = provider.actorOf(props, address).get
|
||||
|
||||
def createActor[T <: Actor](implicit m: Manifest[T]): ActorRef = createActor(Props(m.erasure.asInstanceOf[Class[_ <: Actor]]))
|
||||
|
||||
|
|
@ -77,8 +70,6 @@ object ActorRefProvider {
|
|||
*/
|
||||
class LocalActorRefProvider(val application: AkkaApplication, val deployer: Deployer) extends ActorRefProvider {
|
||||
|
||||
import application.dispatcher
|
||||
|
||||
private val actors = new ConcurrentHashMap[String, Promise[Option[ActorRef]]]
|
||||
|
||||
def actorOf(props: Props, address: String): Option[ActorRef] = actorOf(props, address, false)
|
||||
|
|
@ -93,7 +84,13 @@ class LocalActorRefProvider(val application: AkkaApplication, val deployer: Depl
|
|||
private[akka] def actorOf(props: Props, address: String, systemService: Boolean): Option[ActorRef] = {
|
||||
Address.validate(address)
|
||||
|
||||
val newFuture = Promise[Option[ActorRef]](5000) // FIXME is this proper timeout?
|
||||
val localProps =
|
||||
if (props.dispatcher == Props.defaultDispatcher)
|
||||
props.copy(dispatcher = application.dispatcher)
|
||||
else
|
||||
props
|
||||
|
||||
val newFuture = Promise[Option[ActorRef]](5000)(application.dispatcher) // FIXME is this proper timeout?
|
||||
val oldFuture = actors.putIfAbsent(address, newFuture)
|
||||
|
||||
if (oldFuture eq null) { // we won the race -- create the actor and resolve the future
|
||||
|
|
@ -103,7 +100,7 @@ class LocalActorRefProvider(val application: AkkaApplication, val deployer: Depl
|
|||
|
||||
// create a local actor
|
||||
case None | Some(Deploy(_, _, Direct, _, _, LocalScope)) ⇒
|
||||
Some(new LocalActorRef(application, props, address, systemService)) // create a local actor
|
||||
Some(new LocalActorRef(application, localProps, address, systemService)) // create a local actor
|
||||
|
||||
// create a routed actor ref
|
||||
case deploy @ Some(Deploy(_, _, router, nrOfInstances, _, LocalScope)) ⇒
|
||||
|
|
@ -120,7 +117,7 @@ class LocalActorRefProvider(val application: AkkaApplication, val deployer: Depl
|
|||
}
|
||||
val connections: Iterable[ActorRef] =
|
||||
if (nrOfInstances.factor > 0)
|
||||
Vector.fill(nrOfInstances.factor)(new LocalActorRef(application, props, new UUID().toString, systemService))
|
||||
Vector.fill(nrOfInstances.factor)(new LocalActorRef(application, localProps, new UUID().toString, systemService))
|
||||
else Nil
|
||||
|
||||
Some(application.routing.actorOf(RoutedProps(
|
||||
|
|
|
|||
|
|
@ -12,54 +12,12 @@ import akka.serialization.{ Serializer, Serialization }
|
|||
import akka.dispatch._
|
||||
import akka.AkkaApplication
|
||||
|
||||
//TODO Document this class, not only in Scaladoc, but also in a dedicated typed-actor.rst, for both java and scala
|
||||
/**
|
||||
* A TypedActor in Akka is an implementation of the Active Objects Pattern, i.e. an object with asynchronous method dispatch
|
||||
*
|
||||
* It consists of 2 parts:
|
||||
* The Interface
|
||||
* The Implementation
|
||||
*
|
||||
* Given a combination of Interface and Implementation, a JDK Dynamic Proxy object with the Interface will be returned
|
||||
*
|
||||
* The semantics is as follows,
|
||||
* any methods in the Interface that returns Unit/void will use fire-and-forget semantics (same as Actor !)
|
||||
* any methods in the Interface that returns Option/JOption will use ask + block-with-timeout-return-none-if-timeout semantics
|
||||
* any methods in the Interface that returns anything else will use ask + block-with-timeout-throw-if-timeout semantics
|
||||
*
|
||||
* TypedActors needs, just like Actors, to be Stopped when they are no longer needed, use TypedActor.stop(proxy)
|
||||
*/
|
||||
class TypedActor(val application: AkkaApplication) {
|
||||
private val selfReference = new ThreadLocal[AnyRef]
|
||||
|
||||
/**
|
||||
* Returns the reference to the proxy when called inside a method call in a TypedActor
|
||||
*
|
||||
* Example:
|
||||
* <p/>
|
||||
* class FooImpl extends Foo {
|
||||
* def doFoo {
|
||||
* val myself = self[Foo]
|
||||
* }
|
||||
* }
|
||||
*
|
||||
* Useful when you want to send a reference to this TypedActor to someone else.
|
||||
*
|
||||
* NEVER EXPOSE "this" to someone else, always use "self[TypeOfInterface(s)]"
|
||||
*
|
||||
* @throws IllegalStateException if called outside of the scope of a method on this TypedActor
|
||||
* @throws ClassCastException if the supplied type T isn't the type of the proxy associated with this TypedActor
|
||||
*/
|
||||
def self[T <: AnyRef] = selfReference.get.asInstanceOf[T] match {
|
||||
case null ⇒ throw new IllegalStateException("Calling TypedActor.self outside of a TypedActor implementation method!")
|
||||
case some ⇒ some
|
||||
}
|
||||
|
||||
object TypedActor {
|
||||
/**
|
||||
* This class represents a Method call, and has a reference to the Method to be called and the parameters to supply
|
||||
* It's sent to the ActorRef backing the TypedActor and can be serialized and deserialized
|
||||
*/
|
||||
case class MethodCall(method: Method, parameters: Array[AnyRef]) {
|
||||
case class MethodCall(application: AkkaApplication, method: Method, parameters: Array[AnyRef]) {
|
||||
|
||||
def isOneWay = method.getReturnType == java.lang.Void.TYPE
|
||||
def returnsFuture_? = classOf[Future[_]].isAssignableFrom(method.getReturnType)
|
||||
|
|
@ -96,22 +54,95 @@ class TypedActor(val application: AkkaApplication) {
|
|||
* Represents the serialized form of a MethodCall, uses readResolve and writeReplace to marshall the call
|
||||
*/
|
||||
case class SerializedMethodCall(ownerType: Class[_], methodName: String, parameterTypes: Array[Class[_]], serializerIdentifiers: Array[Serializer.Identifier], serializedParameters: Array[Array[Byte]]) {
|
||||
|
||||
import akka.serialization.Serialization.application
|
||||
|
||||
//TODO implement writeObject and readObject to serialize
|
||||
//TODO Possible optimization is to special encode the parameter-types to conserve space
|
||||
private def readResolve(): AnyRef = {
|
||||
MethodCall(ownerType.getDeclaredMethod(methodName, parameterTypes: _*), serializedParameters match {
|
||||
val app = application.value
|
||||
if (app eq null) throw new IllegalStateException(
|
||||
"Trying to deserialize a SerializedMethodCall without an AkkaApplication in scope." +
|
||||
" Use akka.serialization.Serialization.application.withValue(akkaApplication) { ... }")
|
||||
MethodCall(app, ownerType.getDeclaredMethod(methodName, parameterTypes: _*), serializedParameters match {
|
||||
case null ⇒ null
|
||||
case a if a.length == 0 ⇒ Array[AnyRef]()
|
||||
case a ⇒
|
||||
val deserializedParameters: Array[AnyRef] = Array.ofDim[AnyRef](a.length) //Mutable for the sake of sanity
|
||||
for (i ← 0 until a.length)
|
||||
deserializedParameters(i) = application.serialization.serializerByIdentity(serializerIdentifiers(i)).fromBinary(serializedParameters(i))
|
||||
|
||||
for (i ← 0 until a.length) {
|
||||
deserializedParameters(i) = app.serialization.serializerByIdentity(serializerIdentifiers(i)).fromBinary(serializedParameters(i))
|
||||
}
|
||||
deserializedParameters
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
private val selfReference = new ThreadLocal[AnyRef]
|
||||
private val appReference = new ThreadLocal[AkkaApplication]
|
||||
|
||||
/**
|
||||
* Returns the reference to the proxy when called inside a method call in a TypedActor
|
||||
*
|
||||
* Example:
|
||||
* <p/>
|
||||
* class FooImpl extends Foo {
|
||||
* def doFoo {
|
||||
* val myself = TypedActor.self[Foo]
|
||||
* }
|
||||
* }
|
||||
*
|
||||
* Useful when you want to send a reference to this TypedActor to someone else.
|
||||
*
|
||||
* NEVER EXPOSE "this" to someone else, always use "self[TypeOfInterface(s)]"
|
||||
*
|
||||
* @throws IllegalStateException if called outside of the scope of a method on this TypedActor
|
||||
* @throws ClassCastException if the supplied type T isn't the type of the proxy associated with this TypedActor
|
||||
*/
|
||||
def self[T <: AnyRef] = selfReference.get.asInstanceOf[T] match {
|
||||
case null ⇒ throw new IllegalStateException("Calling TypedActor.self outside of a TypedActor implementation method!")
|
||||
case some ⇒ some
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the akka application (for a TypedActor) when inside a method call in a TypedActor.
|
||||
*/
|
||||
def app = appReference.get match {
|
||||
case null ⇒ throw new IllegalStateException("Calling TypedActor.app outside of a TypedActor implementation method!")
|
||||
case some ⇒ some
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the default dispatcher (for a TypedActor) when inside a method call in a TypedActor.
|
||||
*/
|
||||
implicit def dispatcher = app.dispatcher
|
||||
|
||||
/**
|
||||
* Returns the default timeout (for a TypedActor) when inside a method call in a TypedActor.
|
||||
*/
|
||||
implicit def timeout = app.AkkaConfig.ActorTimeout
|
||||
}
|
||||
|
||||
//TODO Document this class, not only in Scaladoc, but also in a dedicated typed-actor.rst, for both java and scala
|
||||
/**
|
||||
* A TypedActor in Akka is an implementation of the Active Objects Pattern, i.e. an object with asynchronous method dispatch
|
||||
*
|
||||
* It consists of 2 parts:
|
||||
* The Interface
|
||||
* The Implementation
|
||||
*
|
||||
* Given a combination of Interface and Implementation, a JDK Dynamic Proxy object with the Interface will be returned
|
||||
*
|
||||
* The semantics is as follows,
|
||||
* any methods in the Interface that returns Unit/void will use fire-and-forget semantics (same as Actor !)
|
||||
* any methods in the Interface that returns Option/JOption will use ask + block-with-timeout-return-none-if-timeout semantics
|
||||
* any methods in the Interface that returns anything else will use ask + block-with-timeout-throw-if-timeout semantics
|
||||
*
|
||||
* TypedActors needs, just like Actors, to be Stopped when they are no longer needed, use TypedActor.stop(proxy)
|
||||
*/
|
||||
class TypedActor(val application: AkkaApplication) {
|
||||
|
||||
import TypedActor.MethodCall
|
||||
|
||||
/**
|
||||
* Creates a new TypedActor proxy using the supplied Props,
|
||||
* the interfaces usable by the returned proxy is the supplied interface class (if the class represents an interface) or
|
||||
|
|
@ -242,7 +273,8 @@ class TypedActor(val application: AkkaApplication) {
|
|||
val me = createInstance
|
||||
def receive = {
|
||||
case m: MethodCall ⇒
|
||||
selfReference set proxyVar.get
|
||||
TypedActor.selfReference set proxyVar.get
|
||||
TypedActor.appReference set application
|
||||
try {
|
||||
if (m.isOneWay) m(me)
|
||||
else if (m.returnsFuture_?) {
|
||||
|
|
@ -252,7 +284,10 @@ class TypedActor(val application: AkkaApplication) {
|
|||
}
|
||||
} else reply(m(me))
|
||||
|
||||
} finally { selfReference set null }
|
||||
} finally {
|
||||
TypedActor.selfReference set null
|
||||
TypedActor.appReference set null
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -264,7 +299,7 @@ class TypedActor(val application: AkkaApplication) {
|
|||
case "equals" ⇒ (args.length == 1 && (proxy eq args(0)) || actor == getActorRefFor(args(0))).asInstanceOf[AnyRef] //Force boxing of the boolean
|
||||
case "hashCode" ⇒ actor.hashCode.asInstanceOf[AnyRef]
|
||||
case _ ⇒
|
||||
MethodCall(method, args) match {
|
||||
MethodCall(application, method, args) match {
|
||||
case m if m.isOneWay ⇒ actor ! m; null //Null return value
|
||||
case m if m.returnsFuture_? ⇒ actor ? m
|
||||
case m if m.returnsJOption_? || m.returnsOption_? ⇒
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue