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Added support for custom user-defined routers

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This commit is contained in:
Jonas Bonér 2011-10-11 11:18:47 +02:00
parent e779690aa1
commit d31057dacf
7 changed files with 49 additions and 36 deletions
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2
akka-actor/src/main/scala/akka/actor/ActorRefProvider.scala
View file

@ -165,7 +165,7 @@ class LocalActorRefProvider extends ActorRefProvider {
case RouterType.LeastCPU ⇒ sys.error("Router LeastCPU not supported yet")
case RouterType.LeastRAM ⇒ sys.error("Router LeastRAM not supported yet")
case RouterType.LeastMessages ⇒ sys.error("Router LeastMessages not supported yet")
case RouterType.Custom ⇒ sys.error("Router Custom not supported yet")
case RouterType.Custom(implClass) ⇒ () ⇒ Routing.createCustomRouter(implClass)
}
val connections: Iterable[ActorRef] =

7
akka-actor/src/main/scala/akka/actor/Deployer.scala
View file

@ -138,12 +138,7 @@ object Deployer extends ActorDeployer {
case "least-cpu" ⇒ LeastCPU
case "least-ram" ⇒ LeastRAM
case "least-messages" ⇒ LeastMessages
case customRouterClassName ⇒
createInstance[AnyRef](customRouterClassName, emptyParams, emptyArguments).fold(
e ⇒ throw new ConfigurationException(
"Config option [" + addressPath + ".router] needs to be one of " +
"[\"direct\", \"round-robin\", \"random\", \"scatter-gather\", \"least-cpu\", \"least-ram\", \"least-messages\" or the fully qualified name of Router class]", e),
CustomRouter(_))
case routerClassName ⇒ CustomRouter(routerClassName)
}
// --------------------------------

4
akka-actor/src/main/scala/akka/actor/DeploymentConfig.scala
View file

@ -40,7 +40,7 @@ object DeploymentConfig {
// --- Routing
// --------------------------------
sealed trait Routing
case class CustomRouter(router: AnyRef) extends Routing
case class CustomRouter(routerClassName: String) extends Routing
// For Java API
case class Direct() extends Routing
@ -208,7 +208,7 @@ object DeploymentConfig {
case LeastRAM() ⇒ RouterType.LeastRAM
case LeastMessages ⇒ RouterType.LeastMessages
case LeastMessages() ⇒ RouterType.LeastMessages
case c: CustomRouter ⇒ throw new UnsupportedOperationException("Unknown Router [" + c + "]")
case CustomRouter(implClass) ⇒ RouterType.Custom(implClass)
}
def replicationSchemeFor(deployment: Deploy): Option[ReplicationScheme] = deployment match {

2
akka-actor/src/main/scala/akka/routing/RoutedProps.scala
View file

@ -71,7 +71,7 @@ object RouterType {
/**
* A user-defined custom RouterType.
*/
object Custom extends RouterType
case class Custom(implClass: String) extends RouterType
}

18
akka-actor/src/main/scala/akka/routing/Routing.scala
View file

@ -89,6 +89,24 @@ object Routing {
if (clusteringEnabled && !props.localOnly) ReflectiveAccess.ClusterModule.newClusteredActorRef(props)
else new RoutedActorRef(props, address)
}
def createCustomRouter(implClass: String): Router = {
ReflectiveAccess.createInstance(
implClass,
Array[Class[_]](),
Array[AnyRef]()) match {
case Right(router) ⇒ router.asInstanceOf[Router]
case Left(exception) ⇒
val cause = exception match {
case i: InvocationTargetException ⇒ i.getTargetException
case _ ⇒ exception
}
throw new ConfigurationException(
"Could not instantiate custom Router of [" +
implClass + "] due to: " +
cause, cause)
}
}
}
/**

2
akka-remote/src/main/scala/akka/remote/FailureDetector.scala
View file

@ -58,7 +58,7 @@ object FailureDetector {
implClass,
Array[Class[_]](),
Array[AnyRef]()) match {
case Right(actor) ⇒ actor
case Right(failureDetector) ⇒ failureDetector
case Left(exception) ⇒
val cause = exception match {
case i: InvocationTargetException ⇒ i.getTargetException

2
akka-remote/src/main/scala/akka/remote/RemoteActorRefProvider.scala
View file

@ -94,7 +94,7 @@ class RemoteActorRefProvider extends ActorRefProvider {
case RouterType.LeastCPU ⇒ sys.error("Router LeastCPU not supported yet")
case RouterType.LeastRAM ⇒ sys.error("Router LeastRAM not supported yet")
case RouterType.LeastMessages ⇒ sys.error("Router LeastMessages not supported yet")
case RouterType.Custom ⇒ sys.error("Router Custom not supported yet")
case RouterType.Custom(implClass) ⇒ () ⇒ Routing.createCustomRouter(implClass)
}
var connections = Map.empty[InetSocketAddress, ActorRef]