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Merge remote-tracking branch 'origin/master' into wip-1836-durMB-settings-∂π

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... and fix up MailboxType docs with new constructor signature.
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Roland 2012-02-26 21:38:56 +01:00
commit b4fcc3b2f2
10 changed files with 375 additions and 378 deletions
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83
akka-docs/scala/code/akka/docs/dispatcher/DispatcherDocSpec.scala
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@ -6,16 +6,10 @@ package akka.docs.dispatcher
import org.scalatest.{ BeforeAndAfterAll, WordSpec }
import org.scalatest.matchers.MustMatchers
import akka.testkit.AkkaSpec
import akka.actor.Props
import akka.actor.Actor
import akka.event.Logging
import akka.event.LoggingAdapter
import akka.util.duration._
import akka.actor.PoisonPill
import akka.dispatch.MessageDispatcherConfigurator
import akka.dispatch.MessageDispatcher
import akka.dispatch.DispatcherPrerequisites
import akka.actor.ActorSystem
import akka.actor.{ Props, Actor, PoisonPill, ActorSystem }
object DispatcherDocSpec {
val config = """
@ -34,8 +28,9 @@ object DispatcherDocSpec {
# Max number of threads to cap factor-based parallelism number to
parallelism-max = 10
}
# Throughput defines the number of messages that are processed in a batch before the
# thread is returned to the pool. Set to 1 for as fair as possible.
# Throughput defines the maximum number of messages to be
# processed per actor before the thread jumps to the next actor.
# Set to 1 for as fair as possible.
throughput = 100
}
//#my-dispatcher-config
@ -55,8 +50,9 @@ object DispatcherDocSpec {
# maximum number of threads to cap factor-based number to
core-pool-size-max = 10
}
# Throughput defines the number of messages that are processed in a batch before the
# thread is returned to the pool. Set to 1 for as fair as possible.
# Throughput defines the maximum number of messages to be
# processed per actor before the thread jumps to the next actor.
# Set to 1 for as fair as possible.
throughput = 100
}
//#my-thread-pool-dispatcher-config
@ -95,13 +91,14 @@ object DispatcherDocSpec {
//#prio-dispatcher-config
prio-dispatcher {
mailbox-type = "akka.docs.dispatcher.DispatcherDocSpec$PrioMailbox"
mailbox-type = "akka.docs.dispatcher.DispatcherDocSpec$MyPrioMailbox"
}
//#prio-dispatcher-config
//#prio-dispatcher-config-java
prio-dispatcher-java {
mailbox-type = "akka.docs.dispatcher.DispatcherDocTestBase$PrioMailbox"
mailbox-type = "akka.docs.dispatcher.DispatcherDocTestBase$MyPrioMailbox"
//Other dispatcher configuration goes here
}
//#prio-dispatcher-config-java
"""
@ -109,17 +106,24 @@ object DispatcherDocSpec {
//#prio-mailbox
import akka.dispatch.PriorityGenerator
import akka.dispatch.UnboundedPriorityMailbox
import akka.dispatch.MailboxType
import akka.actor.ActorContext
import com.typesafe.config.Config
// We create a new Priority dispatcher and seed it with the priority generator
class PrioMailbox(settings: ActorSystem.Settings, config: Config) extends UnboundedPriorityMailbox(
PriorityGenerator { // Create a new PriorityGenerator, lower prio means more important
case 'highpriority ⇒ 0 // 'highpriority messages should be treated first if possible
case 'lowpriority ⇒ 100 // 'lowpriority messages should be treated last if possible
case PoisonPill ⇒ 1000 // PoisonPill when no other left
case otherwise ⇒ 50 // We default to 50
// We inherit, in this case, from UnboundedPriorityMailbox
// and seed it with the priority generator
class MyPrioMailbox(settings: ActorSystem.Settings, config: Config) extends UnboundedPriorityMailbox(
// Create a new PriorityGenerator, lower prio means more important
PriorityGenerator {
// 'highpriority messages should be treated first if possible
case 'highpriority ⇒ 0
// 'lowpriority messages should be treated last if possible
case 'lowpriority ⇒ 2
// PoisonPill when no other left
case PoisonPill ⇒ 3
// We default to 1, which is in between high and low
case otherwise ⇒ 1
})
//#prio-mailbox
@ -128,6 +132,29 @@ object DispatcherDocSpec {
case x ⇒
}
}
//#mailbox-implementation-example
case class MyUnboundedMailbox() extends akka.dispatch.MailboxType {
import akka.actor.ActorContext
import com.typesafe.config.Config
import java.util.concurrent.ConcurrentLinkedQueue
import akka.dispatch.{
Envelope,
MessageQueue,
QueueBasedMessageQueue,
UnboundedMessageQueueSemantics
}
// This constructor signature must exist, it will be called by Akka
def this(settings: ActorSystem.Settings, config: Config) = this()
// The create method is called to create the MessageQueue
final override def create(owner: Option[ActorContext]): MessageQueue =
new QueueBasedMessageQueue with UnboundedMessageQueueSemantics {
final val queue = new ConcurrentLinkedQueue[Envelope]()
}
//#mailbox-implementation-example
}
}
class DispatcherDocSpec extends AkkaSpec(DispatcherDocSpec.config) {
@ -135,10 +162,11 @@ class DispatcherDocSpec extends AkkaSpec(DispatcherDocSpec.config) {
import DispatcherDocSpec.MyActor
"defining dispatcher" in {
val context = system
//#defining-dispatcher
import akka.actor.Props
val myActor1 = system.actorOf(Props[MyActor].withDispatcher("my-dispatcher"), name = "myactor1")
val myActor2 = system.actorOf(Props[MyActor].withDispatcher("my-dispatcher"), name = "myactor2")
val myActor =
context.actorOf(Props[MyActor].withDispatcher("my-dispatcher"), "myactor1")
//#defining-dispatcher
}
@ -147,15 +175,18 @@ class DispatcherDocSpec extends AkkaSpec(DispatcherDocSpec.config) {
}
"defining pinned dispatcher" in {
val context = system
//#defining-pinned-dispatcher
val myActor = system.actorOf(Props[MyActor].withDispatcher("my-dispatcher"), name = "myactor")
val myActor =
context.actorOf(Props[MyActor].withDispatcher("my-pinned-dispatcher"), "myactor2")
//#defining-pinned-dispatcher
}
"defining priority dispatcher" in {
//#prio-dispatcher
val a = system.actorOf( // We create a new Actor that just prints out what it processes
// We create a new Actor that just prints out what it processes
val a = system.actorOf(
Props(new Actor {
val log: LoggingAdapter = Logging(context.system, this)