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Merge branch 'master' into derekjw-future-dispatch

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Derek Williams 2011-03-07 18:57:08 -07:00
commit eee9445be8
17 changed files with 1968 additions and 1110 deletions
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39
akka-actor/src/main/scala/akka/dispatch/MessageHandling.scala
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@ -6,8 +6,10 @@ package akka.dispatch
import java.util.concurrent._
import atomic. {AtomicInteger, AtomicBoolean, AtomicReference, AtomicLong}
import akka.util.{Switch, ReentrantGuard, HashCode, ReflectiveAccess}
import akka.config.ConfigMap
import akka.config.Config.TIME_UNIT
import akka.util.{Duration, Switch, ReentrantGuard, HashCode, ReflectiveAccess}
import java.util.concurrent.ThreadPoolExecutor.{AbortPolicy, CallerRunsPolicy, DiscardOldestPolicy, DiscardPolicy}
import akka.actor._
/**
@ -202,3 +204,36 @@ trait MessageDispatcher {
*/
def mailboxSize(actorRef: ActorRef): Int
}
/**
* Trait to be used for hooking in new dispatchers into Dispatchers.fromConfig
*/
abstract class MessageDispatcherConfigurator {
def configure(config: ConfigMap): MessageDispatcher
def mailboxType(config: ConfigMap): MailboxType = {
val capacity = config.getInt("mailbox-capacity", Dispatchers.MAILBOX_CAPACITY)
// FIXME how do we read in isBlocking for mailbox? Now set to 'false'.
if (capacity < 0) UnboundedMailbox()
else BoundedMailbox(false, capacity, Duration(config.getInt("mailbox-push-timeout-time", Dispatchers.MAILBOX_PUSH_TIME_OUT.toMillis.toInt), TIME_UNIT))
}
def configureThreadPool(config: ConfigMap, createDispatcher: => (ThreadPoolConfig) => MessageDispatcher): ThreadPoolConfigDispatcherBuilder = {
import ThreadPoolConfigDispatcherBuilder.conf_?
//Apply the following options to the config if they are present in the config
ThreadPoolConfigDispatcherBuilder(createDispatcher,ThreadPoolConfig()).configure(
conf_?(config getInt "keep-alive-time" )(time => _.setKeepAliveTime(Duration(time, TIME_UNIT))),
conf_?(config getDouble "core-pool-size-factor")(factor => _.setCorePoolSizeFromFactor(factor)),
conf_?(config getDouble "max-pool-size-factor" )(factor => _.setMaxPoolSizeFromFactor(factor)),
conf_?(config getInt "executor-bounds" )(bounds => _.setExecutorBounds(bounds)),
conf_?(config getBool "allow-core-timeout" )(allow => _.setAllowCoreThreadTimeout(allow)),
conf_?(config getString "rejection-policy" map {
case "abort" => new AbortPolicy()
case "caller-runs" => new CallerRunsPolicy()
case "discard-oldest" => new DiscardOldestPolicy()
case "discard" => new DiscardPolicy()
case x => throw new IllegalArgumentException("[%s] is not a valid rejectionPolicy!" format x)
})(policy => _.setRejectionPolicy(policy)))
}
}