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Merge pull request #17265 from hepin1989/fix-#17257

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+act #17257 add Actor.ignoringBehavior
This commit is contained in:
Roland Kuhn 2015-05-11 17:13:49 +02:00
commit fe2eb27405
1 changed files with 11 additions and 3 deletions
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14
akka-actor/src/main/scala/akka/actor/Actor.scala
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@ -5,10 +5,11 @@
package akka.actor package akka.actor
import akka.AkkaException import akka.AkkaException
import akka.event.LoggingAdapter
import scala.annotation.tailrec import scala.annotation.tailrec
import scala.beans.BeanProperty import scala.beans.BeanProperty
import scala.util.control.NoStackTrace import scala.util.control.NoStackTrace
import akka.event.LoggingAdapter
/** /**
* INTERNAL API * INTERNAL API
@ -340,6 +341,15 @@ object Actor {
def apply(x: Any) = throw new UnsupportedOperationException("Empty behavior apply()") def apply(x: Any) = throw new UnsupportedOperationException("Empty behavior apply()")
} }
/**
* ignoringBehavior is a Receive-expression that consumes and ignores all messages.
*/
@SerialVersionUID(1L)
object ignoringBehavior extends Receive {
def isDefinedAt(x: Any): Boolean = true
def apply(x: Any): Unit = ()
}
/** /**
* Default placeholder (null) used for "!" to indicate that there is no sender of the message, * Default placeholder (null) used for "!" to indicate that there is no sender of the message,
* that will be translated to the receiving system's deadLetters. * that will be translated to the receiving system's deadLetters.
@ -401,8 +411,6 @@ object Actor {
*/ */
trait Actor { trait Actor {
import Actor._
// to make type Receive known in subclasses without import // to make type Receive known in subclasses without import
type Receive = Actor.Receive type Receive = Actor.Receive