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!str Add tests

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Patrik Nordwall 2014-03-28 12:13:57 +01:00 • committed by Roland Kuhn
parent 4a9f16f437
commit 156b661bfc
17 changed files with 1035 additions and 19 deletions
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19
akka-stream/src/main/scala/akka/stream/impl/AbstractProducer.scala
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@ -9,7 +9,10 @@ import asyncrx.spi
import SubscriberManagement.ShutDown
import ResizableMultiReaderRingBuffer.NothingToReadException
object SubscriberManagement {
/**
* INTERNAL API
*/
private[akka] object SubscriberManagement {
sealed trait EndOfStream {
def apply[T](subscriber: spi.Subscriber[T]): Unit
@ -30,7 +33,10 @@ object SubscriberManagement {
val ShutDown = new ErrorCompleted(new IllegalStateException("Cannot subscribe to shut-down spi.Publisher"))
}
trait SubscriptionWithCursor extends spi.Subscription with ResizableMultiReaderRingBuffer.Cursor {
/**
* INTERNAL API
*/
private[akka] trait SubscriptionWithCursor extends spi.Subscription with ResizableMultiReaderRingBuffer.Cursor {
def subscriber[T]: spi.Subscriber[T]
def isActive: Boolean = cursor != Int.MinValue
def deactivate(): Unit = cursor = Int.MinValue
@ -45,7 +51,10 @@ trait SubscriptionWithCursor extends spi.Subscription with ResizableMultiReaderR
var cursor: Int = 0 // buffer cursor, set to Int.MinValue if this subscription has been cancelled / terminated
}
trait SubscriberManagement[T] extends ResizableMultiReaderRingBuffer.Cursors {
/**
* INTERNAL API
*/
private[akka] trait SubscriberManagement[T] extends ResizableMultiReaderRingBuffer.Cursors {
import SubscriberManagement._
type S <: SubscriptionWithCursor
type Subscriptions = List[S]
@ -258,10 +267,12 @@ trait SubscriberManagement[T] extends ResizableMultiReaderRingBuffer.Cursors {
}
/**
* INTERNAL API
*
* Implements basic subscriber management as well as efficient "slowest-subscriber-rate" downstream fan-out support
* with configurable and adaptive output buffer size.
*/
abstract class AbstractProducer[T](val initialBufferSize: Int, val maxBufferSize: Int)
private[akka] abstract class AbstractProducer[T](val initialBufferSize: Int, val maxBufferSize: Int)
extends api.Producer[T] with spi.Publisher[T] with SubscriberManagement[T] {
type S = Subscription