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Rewriting the Balancing dispatcher

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This commit is contained in:
Viktor Klang 2011-09-23 09:33:53 +02:00
parent e4e8ddc2a7
commit 1662d25944
7 changed files with 136 additions and 129 deletions
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20
akka-actor/src/main/scala/akka/dispatch/MessageHandling.scala
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@ -157,8 +157,10 @@ abstract class MessageDispatcher extends Serializable {
* and only call it under the dispatcher-guard, see "attach" for the only invocation
*/
protected[akka] def register(actor: ActorCell) {
if (actor.mailbox eq null)
if (actor.mailbox eq null) {
actor.mailbox = createMailbox(actor)
systemDispatch(SystemEnvelope(actor, Create, NullChannel))
}
uuids add actor.uuid
if (active.isOff) {
@ -257,12 +259,22 @@ abstract class MessageDispatcher extends Serializable {
/**
* After the call to this method, the dispatcher mustn't begin any new message processing for the specified reference
*/
def suspend(actor: ActorCell)
def suspend(actor: ActorCell): Unit = if (uuids.contains(actor.uuid)) {
val mbox = actor.mailbox
if (mbox ne deadLetterMailbox)
mbox.suspended.tryLock
}
/*
* After the call to this method, the dispatcher must begin any new message processing for the specified reference
*/
def resume(actor: ActorCell)
def resume(actor: ActorCell): Unit = if (uuids.contains(actor.uuid)) {
val mbox = actor.mailbox
if (mbox ne deadLetterMailbox) {
mbox.suspended.tryUnlock
reRegisterForExecution(mbox)
}
}
/**
* Will be called when the dispatcher is to queue an invocation for execution
@ -272,7 +284,7 @@ abstract class MessageDispatcher extends Serializable {
/**
* Callback for processMailbox() which is called after one sweep of processing is done.
*/
protected[akka] def reRegisterForExecution(mbox: Mailbox)
protected[akka] def reRegisterForExecution(mbox: Mailbox): Boolean
// TODO check whether this should not actually be a property of the mailbox
protected[akka] def throughput: Int