Created FailureDetectorStrategy with two implementations: FailureDetectorPuppetStrategy and AccrualFailureDetectorStrategy.

- Created FailureDetectorStrategy base trait.
- Created FailureDetectorPuppetStrategy.
- Created AccrualFailureDetectorStrategy.
- Created two versions of LeaderDowningNodeThatIsUnreachableMultiJvmSpec
    - LeaderDowningNodeThatIsUnreachableWithFailureDetectorPuppet
    - LeaderDowningNodeThatIsUnreachableWithAccrualFailureDetector
- Added AccrualFailureDetectorStrategy to all the remaining tests - will be split up into two versions shortly.

Signed-off-by: Jonas Bonér <jonas@jonasboner.com>

akka-cluster/src/multi-jvm/scala/akka/cluster/ClientDowningNodeThatIsUnreachableSpec.scala

@@ -18,12 +18,12 @@ object ClientDowningNodeThatIsUnreachableMultiJvmSpec extends MultiNodeConfig {
   commonConfig(debugConfig(on = false).withFallback(MultiNodeClusterSpec.clusterConfig))
 }
 
-class ClientDowningNodeThatIsUnreachableMultiJvmNode1 extends ClientDowningNodeThatIsUnreachableSpec
-class ClientDowningNodeThatIsUnreachableMultiJvmNode2 extends ClientDowningNodeThatIsUnreachableSpec
-class ClientDowningNodeThatIsUnreachableMultiJvmNode3 extends ClientDowningNodeThatIsUnreachableSpec
-class ClientDowningNodeThatIsUnreachableMultiJvmNode4 extends ClientDowningNodeThatIsUnreachableSpec
+class ClientDowningNodeThatIsUnreachableMultiJvmNode1 extends ClientDowningNodeThatIsUnreachableSpec with AccrualFailureDetectorStrategy
+class ClientDowningNodeThatIsUnreachableMultiJvmNode2 extends ClientDowningNodeThatIsUnreachableSpec with AccrualFailureDetectorStrategy
+class ClientDowningNodeThatIsUnreachableMultiJvmNode3 extends ClientDowningNodeThatIsUnreachableSpec with AccrualFailureDetectorStrategy
+class ClientDowningNodeThatIsUnreachableMultiJvmNode4 extends ClientDowningNodeThatIsUnreachableSpec with AccrualFailureDetectorStrategy
 
-class ClientDowningNodeThatIsUnreachableSpec
+abstract class ClientDowningNodeThatIsUnreachableSpec
   extends MultiNodeSpec(ClientDowningNodeThatIsUnreachableMultiJvmSpec)
   with MultiNodeClusterSpec {
 

akka-cluster/src/multi-jvm/scala/akka/cluster/ClientDowningNodeThatIsUpSpec.scala

@@ -18,12 +18,12 @@ object ClientDowningNodeThatIsUpMultiJvmSpec extends MultiNodeConfig {
   commonConfig(debugConfig(on = false).withFallback(MultiNodeClusterSpec.clusterConfig))
 }
 
-class ClientDowningNodeThatIsUpMultiJvmNode1 extends ClientDowningNodeThatIsUpSpec
-class ClientDowningNodeThatIsUpMultiJvmNode2 extends ClientDowningNodeThatIsUpSpec
-class ClientDowningNodeThatIsUpMultiJvmNode3 extends ClientDowningNodeThatIsUpSpec
-class ClientDowningNodeThatIsUpMultiJvmNode4 extends ClientDowningNodeThatIsUpSpec
+class ClientDowningNodeThatIsUpMultiJvmNode1 extends ClientDowningNodeThatIsUpSpec with AccrualFailureDetectorStrategy
+class ClientDowningNodeThatIsUpMultiJvmNode2 extends ClientDowningNodeThatIsUpSpec with AccrualFailureDetectorStrategy
+class ClientDowningNodeThatIsUpMultiJvmNode3 extends ClientDowningNodeThatIsUpSpec with AccrualFailureDetectorStrategy
+class ClientDowningNodeThatIsUpMultiJvmNode4 extends ClientDowningNodeThatIsUpSpec with AccrualFailureDetectorStrategy
 
-class ClientDowningNodeThatIsUpSpec
+abstract class ClientDowningNodeThatIsUpSpec
   extends MultiNodeSpec(ClientDowningNodeThatIsUpMultiJvmSpec)
   with MultiNodeClusterSpec {
 

akka-cluster/src/multi-jvm/scala/akka/cluster/ConvergenceSpec.scala

@@ -25,10 +25,10 @@ object ConvergenceMultiJvmSpec extends MultiNodeConfig {
     withFallback(MultiNodeClusterSpec.clusterConfig))
 }
 
-class ConvergenceMultiJvmNode1 extends ConvergenceSpec
-class ConvergenceMultiJvmNode2 extends ConvergenceSpec
-class ConvergenceMultiJvmNode3 extends ConvergenceSpec
-class ConvergenceMultiJvmNode4 extends ConvergenceSpec
+class ConvergenceMultiJvmNode1 extends ConvergenceSpec with AccrualFailureDetectorStrategy
+class ConvergenceMultiJvmNode2 extends ConvergenceSpec with AccrualFailureDetectorStrategy
+class ConvergenceMultiJvmNode3 extends ConvergenceSpec with AccrualFailureDetectorStrategy
+class ConvergenceMultiJvmNode4 extends ConvergenceSpec with AccrualFailureDetectorStrategy
 
 abstract class ConvergenceSpec
   extends MultiNodeSpec(ConvergenceMultiJvmSpec)

akka-cluster/src/multi-jvm/scala/akka/cluster/FailureDetectorStrategy.scala

@@ -0,0 +1,61 @@
+/**
+ *  Copyright (C) 2009-2012 Typesafe Inc. <http://www.typesafe.com>
+ */
+package akka.cluster
+
+import akka.actor.Address
+import akka.remote.testkit.MultiNodeSpec
+import akka.testkit._
+
+/**
+ * Base trait for all failure detector strategies.
+ */
+trait FailureDetectorStrategy {
+
+  /**
+   * Get or create the FailureDetector to be used in the cluster node.
+   * To be defined by subclass.
+   */
+  def failureDetector: FailureDetector
+
+  /**
+   * Marks a node as available in the failure detector.
+   * To be defined by subclass.
+   */
+  def markNodeAsAvailable(address: Address): Unit
+
+  /**
+   * Marks a node as unavailable in the failure detector.
+   * To be defined by subclass.
+   */
+  def markNodeAsUnavailable(address: Address): Unit
+}
+
+/**
+ * Defines a FailureDetectorPuppet-based FailureDetectorStrategy.
+ */
+trait FailureDetectorPuppetStrategy extends FailureDetectorStrategy { self: MultiNodeSpec ⇒
+
+  /**
+   * The puppet instance. Separated from 'failureDetector' field so we don't have to cast when using the puppet specific methods.
+   */
+  private val puppet = new FailureDetectorPuppet(system)
+
+  override def failureDetector: FailureDetector = puppet
+
+  override def markNodeAsAvailable(address: Address): Unit = puppet markNodeAsAvailable address
+
+  override def markNodeAsUnavailable(address: Address): Unit = puppet markNodeAsUnavailable address
+}
+
+/**
+ * Defines a AccrualFailureDetector-based FailureDetectorStrategy.
+ */
+trait AccrualFailureDetectorStrategy extends FailureDetectorStrategy { self: MultiNodeSpec ⇒
+
+  override val failureDetector: FailureDetector = new AccrualFailureDetector(system, new ClusterSettings(system.settings.config, system.name))
+
+  override def markNodeAsAvailable(address: Address): Unit = { /* no-op */ }
+
+  override def markNodeAsUnavailable(address: Address): Unit = { /* no-op */ }
+}

akka-cluster/src/multi-jvm/scala/akka/cluster/GossipingAccrualFailureDetectorSpec.scala

@@ -19,9 +19,9 @@ object GossipingAccrualFailureDetectorMultiJvmSpec extends MultiNodeConfig {
     withFallback(MultiNodeClusterSpec.clusterConfig))
 }
 
-class GossipingAccrualFailureDetectorMultiJvmNode1 extends GossipingAccrualFailureDetectorSpec
-class GossipingAccrualFailureDetectorMultiJvmNode2 extends GossipingAccrualFailureDetectorSpec
-class GossipingAccrualFailureDetectorMultiJvmNode3 extends GossipingAccrualFailureDetectorSpec
+class GossipingAccrualFailureDetectorMultiJvmNode1 extends GossipingAccrualFailureDetectorSpec with AccrualFailureDetectorStrategy
+class GossipingAccrualFailureDetectorMultiJvmNode2 extends GossipingAccrualFailureDetectorSpec with AccrualFailureDetectorStrategy
+class GossipingAccrualFailureDetectorMultiJvmNode3 extends GossipingAccrualFailureDetectorSpec with AccrualFailureDetectorStrategy
 
 abstract class GossipingAccrualFailureDetectorSpec extends MultiNodeSpec(GossipingAccrualFailureDetectorMultiJvmSpec)
   with MultiNodeClusterSpec {

akka-cluster/src/multi-jvm/scala/akka/cluster/JoinTwoClustersSpec.scala

@@ -20,12 +20,12 @@ object JoinTwoClustersMultiJvmSpec extends MultiNodeConfig {
   commonConfig(debugConfig(on = false).withFallback(MultiNodeClusterSpec.clusterConfig))
 }
 
-class JoinTwoClustersMultiJvmNode1 extends JoinTwoClustersSpec
-class JoinTwoClustersMultiJvmNode2 extends JoinTwoClustersSpec
-class JoinTwoClustersMultiJvmNode3 extends JoinTwoClustersSpec
-class JoinTwoClustersMultiJvmNode4 extends JoinTwoClustersSpec
-class JoinTwoClustersMultiJvmNode5 extends JoinTwoClustersSpec
-class JoinTwoClustersMultiJvmNode6 extends JoinTwoClustersSpec
+class JoinTwoClustersMultiJvmNode1 extends JoinTwoClustersSpec with AccrualFailureDetectorStrategy
+class JoinTwoClustersMultiJvmNode2 extends JoinTwoClustersSpec with AccrualFailureDetectorStrategy
+class JoinTwoClustersMultiJvmNode3 extends JoinTwoClustersSpec with AccrualFailureDetectorStrategy
+class JoinTwoClustersMultiJvmNode4 extends JoinTwoClustersSpec with AccrualFailureDetectorStrategy
+class JoinTwoClustersMultiJvmNode5 extends JoinTwoClustersSpec with AccrualFailureDetectorStrategy
+class JoinTwoClustersMultiJvmNode6 extends JoinTwoClustersSpec with AccrualFailureDetectorStrategy
 
 abstract class JoinTwoClustersSpec
   extends MultiNodeSpec(JoinTwoClustersMultiJvmSpec)

akka-cluster/src/multi-jvm/scala/akka/cluster/LeaderDowningNodeThatIsUnreachableSpec.scala

@@ -23,23 +23,22 @@ object LeaderDowningNodeThatIsUnreachableMultiJvmSpec extends MultiNodeConfig {
     withFallback(MultiNodeClusterSpec.clusterConfig))
 }
 
-class LeaderDowningNodeThatIsUnreachableMultiJvmNode1 extends LeaderDowningNodeThatIsUnreachableSpec
-class LeaderDowningNodeThatIsUnreachableMultiJvmNode2 extends LeaderDowningNodeThatIsUnreachableSpec
-class LeaderDowningNodeThatIsUnreachableMultiJvmNode3 extends LeaderDowningNodeThatIsUnreachableSpec
-class LeaderDowningNodeThatIsUnreachableMultiJvmNode4 extends LeaderDowningNodeThatIsUnreachableSpec
+class LeaderDowningNodeThatIsUnreachableWithFailureDetectorPuppetMultiJvmNode1 extends LeaderDowningNodeThatIsUnreachableSpec with FailureDetectorPuppetStrategy
+class LeaderDowningNodeThatIsUnreachableWithFailureDetectorPuppetMultiJvmNode2 extends LeaderDowningNodeThatIsUnreachableSpec with FailureDetectorPuppetStrategy
+class LeaderDowningNodeThatIsUnreachableWithFailureDetectorPuppetMultiJvmNode3 extends LeaderDowningNodeThatIsUnreachableSpec with FailureDetectorPuppetStrategy
+class LeaderDowningNodeThatIsUnreachableWithFailureDetectorPuppetMultiJvmNode4 extends LeaderDowningNodeThatIsUnreachableSpec with FailureDetectorPuppetStrategy
 
-class LeaderDowningNodeThatIsUnreachableSpec
+class LeaderDowningNodeThatIsUnreachableWithAccrualFailureDetectorMultiJvmNode1 extends LeaderDowningNodeThatIsUnreachableSpec with AccrualFailureDetectorStrategy
+class LeaderDowningNodeThatIsUnreachableWithAccrualFailureDetectorMultiJvmNode2 extends LeaderDowningNodeThatIsUnreachableSpec with AccrualFailureDetectorStrategy
+class LeaderDowningNodeThatIsUnreachableWithAccrualFailureDetectorMultiJvmNode3 extends LeaderDowningNodeThatIsUnreachableSpec with AccrualFailureDetectorStrategy
+class LeaderDowningNodeThatIsUnreachableWithAccrualFailureDetectorMultiJvmNode4 extends LeaderDowningNodeThatIsUnreachableSpec with AccrualFailureDetectorStrategy
+
+abstract class LeaderDowningNodeThatIsUnreachableSpec
   extends MultiNodeSpec(LeaderDowningNodeThatIsUnreachableMultiJvmSpec)
   with MultiNodeClusterSpec {
 
   import LeaderDowningNodeThatIsUnreachableMultiJvmSpec._
 
-  // Set up the puppet failure detector
-  lazy val failureDetector = new FailureDetectorPuppet(system = system)
-  lazy val clusterNode = new Cluster(system.asInstanceOf[ExtendedActorSystem], failureDetector)
-
-  override def cluster = clusterNode
-
   "The Leader in a 4 node cluster" must {
 
     "be able to DOWN a 'last' node that is UNREACHABLE" taggedAs LongRunningTest in {
@@ -52,7 +51,7 @@ class LeaderDowningNodeThatIsUnreachableSpec
         testConductor.enter("down-fourth-node")
 
         // mark the node as unreachable in the failure detector
-        failureDetector markAsDown fourthAddress
+        markNodeAsUnavailable(fourthAddress)
 
         // --- HERE THE LEADER SHOULD DETECT FAILURE AND AUTO-DOWN THE UNREACHABLE NODE ---
 
@@ -82,7 +81,7 @@ class LeaderDowningNodeThatIsUnreachableSpec
         testConductor.enter("down-second-node")
 
         // mark the node as unreachable in the failure detector
-        failureDetector markAsDown secondAddress
+        markNodeAsUnavailable(secondAddress)
 
         // --- HERE THE LEADER SHOULD DETECT FAILURE AND AUTO-DOWN THE UNREACHABLE NODE ---
 

akka-cluster/src/multi-jvm/scala/akka/cluster/LeaderElectionSpec.scala

@@ -19,11 +19,11 @@ object LeaderElectionMultiJvmSpec extends MultiNodeConfig {
   commonConfig(debugConfig(on = false).withFallback(MultiNodeClusterSpec.clusterConfig))
 }
 
-class LeaderElectionMultiJvmNode1 extends LeaderElectionSpec
-class LeaderElectionMultiJvmNode2 extends LeaderElectionSpec
-class LeaderElectionMultiJvmNode3 extends LeaderElectionSpec
-class LeaderElectionMultiJvmNode4 extends LeaderElectionSpec
-class LeaderElectionMultiJvmNode5 extends LeaderElectionSpec
+class LeaderElectionMultiJvmNode1 extends LeaderElectionSpec with AccrualFailureDetectorStrategy
+class LeaderElectionMultiJvmNode2 extends LeaderElectionSpec with AccrualFailureDetectorStrategy
+class LeaderElectionMultiJvmNode3 extends LeaderElectionSpec with AccrualFailureDetectorStrategy
+class LeaderElectionMultiJvmNode4 extends LeaderElectionSpec with AccrualFailureDetectorStrategy
+class LeaderElectionMultiJvmNode5 extends LeaderElectionSpec with AccrualFailureDetectorStrategy
 
 abstract class LeaderElectionSpec
   extends MultiNodeSpec(LeaderElectionMultiJvmSpec)

akka-cluster/src/multi-jvm/scala/akka/cluster/MembershipChangeListenerExitingSpec.scala

@@ -27,9 +27,9 @@ object MembershipChangeListenerExitingMultiJvmSpec extends MultiNodeConfig {
         .withFallback(MultiNodeClusterSpec.clusterConfig)))
 }
 
-class MembershipChangeListenerExitingMultiJvmNode1 extends MembershipChangeListenerExitingSpec
-class MembershipChangeListenerExitingMultiJvmNode2 extends MembershipChangeListenerExitingSpec
-class MembershipChangeListenerExitingMultiJvmNode3 extends MembershipChangeListenerExitingSpec
+class MembershipChangeListenerExitingMultiJvmNode1 extends MembershipChangeListenerExitingSpec with AccrualFailureDetectorStrategy
+class MembershipChangeListenerExitingMultiJvmNode2 extends MembershipChangeListenerExitingSpec with AccrualFailureDetectorStrategy
+class MembershipChangeListenerExitingMultiJvmNode3 extends MembershipChangeListenerExitingSpec with AccrualFailureDetectorStrategy
 
 abstract class MembershipChangeListenerExitingSpec
   extends MultiNodeSpec(MembershipChangeListenerExitingMultiJvmSpec)

akka-cluster/src/multi-jvm/scala/akka/cluster/MembershipChangeListenerJoinSpec.scala

@@ -25,8 +25,8 @@ object MembershipChangeListenerJoinMultiJvmSpec extends MultiNodeConfig {
         .withFallback(MultiNodeClusterSpec.clusterConfig)))
 }
 
-class MembershipChangeListenerJoinMultiJvmNode1 extends MembershipChangeListenerJoinSpec
-class MembershipChangeListenerJoinMultiJvmNode2 extends MembershipChangeListenerJoinSpec
+class MembershipChangeListenerJoinMultiJvmNode1 extends MembershipChangeListenerJoinSpec with AccrualFailureDetectorStrategy
+class MembershipChangeListenerJoinMultiJvmNode2 extends MembershipChangeListenerJoinSpec with AccrualFailureDetectorStrategy
 
 abstract class MembershipChangeListenerJoinSpec
   extends MultiNodeSpec(MembershipChangeListenerJoinMultiJvmSpec)

akka-cluster/src/multi-jvm/scala/akka/cluster/MembershipChangeListenerLeavingSpec.scala

@@ -24,9 +24,9 @@ object MembershipChangeListenerLeavingMultiJvmSpec extends MultiNodeConfig {
       .withFallback(MultiNodeClusterSpec.clusterConfig))
 }
 
-class MembershipChangeListenerLeavingMultiJvmNode1 extends MembershipChangeListenerLeavingSpec
-class MembershipChangeListenerLeavingMultiJvmNode2 extends MembershipChangeListenerLeavingSpec
-class MembershipChangeListenerLeavingMultiJvmNode3 extends MembershipChangeListenerLeavingSpec
+class MembershipChangeListenerLeavingMultiJvmNode1 extends MembershipChangeListenerLeavingSpec with AccrualFailureDetectorStrategy
+class MembershipChangeListenerLeavingMultiJvmNode2 extends MembershipChangeListenerLeavingSpec with AccrualFailureDetectorStrategy
+class MembershipChangeListenerLeavingMultiJvmNode3 extends MembershipChangeListenerLeavingSpec with AccrualFailureDetectorStrategy
 
 abstract class MembershipChangeListenerLeavingSpec
   extends MultiNodeSpec(MembershipChangeListenerLeavingMultiJvmSpec)

akka-cluster/src/multi-jvm/scala/akka/cluster/MembershipChangeListenerSpec.scala

@@ -17,9 +17,9 @@ object MembershipChangeListenerMultiJvmSpec extends MultiNodeConfig {
   commonConfig(debugConfig(on = false).withFallback(MultiNodeClusterSpec.clusterConfig))
 }
 
-class MembershipChangeListenerMultiJvmNode1 extends MembershipChangeListenerSpec
-class MembershipChangeListenerMultiJvmNode2 extends MembershipChangeListenerSpec
-class MembershipChangeListenerMultiJvmNode3 extends MembershipChangeListenerSpec
+class MembershipChangeListenerMultiJvmNode1 extends MembershipChangeListenerSpec with AccrualFailureDetectorStrategy
+class MembershipChangeListenerMultiJvmNode2 extends MembershipChangeListenerSpec with AccrualFailureDetectorStrategy
+class MembershipChangeListenerMultiJvmNode3 extends MembershipChangeListenerSpec with AccrualFailureDetectorStrategy
 
 abstract class MembershipChangeListenerSpec extends MultiNodeSpec(MembershipChangeListenerMultiJvmSpec)
   with MultiNodeClusterSpec {

akka-cluster/src/multi-jvm/scala/akka/cluster/MembershipChangeListenerUpSpec.scala

@@ -18,8 +18,8 @@ object MembershipChangeListenerUpMultiJvmSpec extends MultiNodeConfig {
   commonConfig(debugConfig(on = false).withFallback(MultiNodeClusterSpec.clusterConfig))
 }
 
-class MembershipChangeListenerUpMultiJvmNode1 extends MembershipChangeListenerUpSpec
-class MembershipChangeListenerUpMultiJvmNode2 extends MembershipChangeListenerUpSpec
+class MembershipChangeListenerUpMultiJvmNode1 extends MembershipChangeListenerUpSpec with AccrualFailureDetectorStrategy
+class MembershipChangeListenerUpMultiJvmNode2 extends MembershipChangeListenerUpSpec with AccrualFailureDetectorStrategy
 
 abstract class MembershipChangeListenerUpSpec
   extends MultiNodeSpec(MembershipChangeListenerUpMultiJvmSpec)

akka-cluster/src/multi-jvm/scala/akka/cluster/MultiNodeClusterSpec.scala

@@ -5,7 +5,7 @@ package akka.cluster
 
 import com.typesafe.config.Config
 import com.typesafe.config.ConfigFactory
-import akka.actor.Address
+import akka.actor.{Address, ExtendedActorSystem}
 import akka.remote.testconductor.RoleName
 import akka.remote.testkit.MultiNodeSpec
 import akka.testkit._
@@ -28,14 +28,19 @@ object MultiNodeClusterSpec {
     """)
 }
 
-trait MultiNodeClusterSpec { self: MultiNodeSpec ⇒
+trait MultiNodeClusterSpec extends FailureDetectorStrategy { self: MultiNodeSpec ⇒
 
   override def initialParticipants = roles.size
 
   /**
-   * Get or create a cluster node using 'Cluster(system)' extension.
+   * The cluster node instance. Needs to be lazily created.
    */
-  def cluster: Cluster = Cluster(system)
+  private lazy val clusterNode = new Cluster(system.asInstanceOf[ExtendedActorSystem], failureDetector)
+
+  /**
+   * Get the cluster node to use.
+   */
+  def cluster: Cluster = clusterNode
 
   /**
    * Use this method instead of 'cluster.self'
@@ -48,9 +53,7 @@ trait MultiNodeClusterSpec { self: MultiNodeSpec ⇒
    * nodes (roles). First node will be started first
    * and others will join the first.
    */
-  def startCluster(roles: RoleName*): Unit = {
-    awaitStartCluster(false, roles.toSeq)
-  }
+  def startCluster(roles: RoleName*): Unit = awaitStartCluster(false, roles.toSeq)
 
   /**
    * Initialize the cluster of the specified member

akka-cluster/src/multi-jvm/scala/akka/cluster/NodeJoinSpec.scala

@@ -24,8 +24,8 @@ object NodeJoinMultiJvmSpec extends MultiNodeConfig {
         .withFallback(MultiNodeClusterSpec.clusterConfig)))
 }
 
-class NodeJoinMultiJvmNode1 extends NodeJoinSpec
-class NodeJoinMultiJvmNode2 extends NodeJoinSpec
+class NodeJoinMultiJvmNode1 extends NodeJoinSpec with AccrualFailureDetectorStrategy
+class NodeJoinMultiJvmNode2 extends NodeJoinSpec with AccrualFailureDetectorStrategy
 
 abstract class NodeJoinSpec
   extends MultiNodeSpec(NodeJoinMultiJvmSpec)

akka-cluster/src/multi-jvm/scala/akka/cluster/NodeLeavingAndExitingAndBeingRemovedSpec.scala

@@ -18,9 +18,9 @@ object NodeLeavingAndExitingAndBeingRemovedMultiJvmSpec extends MultiNodeConfig
   commonConfig(debugConfig(on = false).withFallback(MultiNodeClusterSpec.clusterConfig))
 }
 
-class NodeLeavingAndExitingAndBeingRemovedMultiJvmNode1 extends NodeLeavingAndExitingAndBeingRemovedSpec
-class NodeLeavingAndExitingAndBeingRemovedMultiJvmNode2 extends NodeLeavingAndExitingAndBeingRemovedSpec
-class NodeLeavingAndExitingAndBeingRemovedMultiJvmNode3 extends NodeLeavingAndExitingAndBeingRemovedSpec
+class NodeLeavingAndExitingAndBeingRemovedMultiJvmNode1 extends NodeLeavingAndExitingAndBeingRemovedSpec with AccrualFailureDetectorStrategy
+class NodeLeavingAndExitingAndBeingRemovedMultiJvmNode2 extends NodeLeavingAndExitingAndBeingRemovedSpec with AccrualFailureDetectorStrategy
+class NodeLeavingAndExitingAndBeingRemovedMultiJvmNode3 extends NodeLeavingAndExitingAndBeingRemovedSpec with AccrualFailureDetectorStrategy
 
 abstract class NodeLeavingAndExitingAndBeingRemovedSpec
   extends MultiNodeSpec(NodeLeavingAndExitingAndBeingRemovedMultiJvmSpec)

akka-cluster/src/multi-jvm/scala/akka/cluster/NodeLeavingAndExitingSpec.scala

@@ -26,9 +26,9 @@ object NodeLeavingAndExitingMultiJvmSpec extends MultiNodeConfig {
         .withFallback(MultiNodeClusterSpec.clusterConfig)))
 }
 
-class NodeLeavingAndExitingMultiJvmNode1 extends NodeLeavingAndExitingSpec
-class NodeLeavingAndExitingMultiJvmNode2 extends NodeLeavingAndExitingSpec
-class NodeLeavingAndExitingMultiJvmNode3 extends NodeLeavingAndExitingSpec
+class NodeLeavingAndExitingMultiJvmNode1 extends NodeLeavingAndExitingSpec with AccrualFailureDetectorStrategy
+class NodeLeavingAndExitingMultiJvmNode2 extends NodeLeavingAndExitingSpec with AccrualFailureDetectorStrategy
+class NodeLeavingAndExitingMultiJvmNode3 extends NodeLeavingAndExitingSpec with AccrualFailureDetectorStrategy
 
 abstract class NodeLeavingAndExitingSpec
   extends MultiNodeSpec(NodeLeavingAndExitingMultiJvmSpec)

akka-cluster/src/multi-jvm/scala/akka/cluster/NodeLeavingSpec.scala

@@ -22,9 +22,9 @@ object NodeLeavingMultiJvmSpec extends MultiNodeConfig {
       .withFallback(MultiNodeClusterSpec.clusterConfig))
 }
 
-class NodeLeavingMultiJvmNode1 extends NodeLeavingSpec
-class NodeLeavingMultiJvmNode2 extends NodeLeavingSpec
-class NodeLeavingMultiJvmNode3 extends NodeLeavingSpec
+class NodeLeavingMultiJvmNode1 extends NodeLeavingSpec with AccrualFailureDetectorStrategy
+class NodeLeavingMultiJvmNode2 extends NodeLeavingSpec with AccrualFailureDetectorStrategy
+class NodeLeavingMultiJvmNode3 extends NodeLeavingSpec with AccrualFailureDetectorStrategy
 
 abstract class NodeLeavingSpec extends MultiNodeSpec(NodeLeavingMultiJvmSpec)
   with MultiNodeClusterSpec {

akka-cluster/src/multi-jvm/scala/akka/cluster/NodeMembershipSpec.scala

@@ -16,9 +16,9 @@ object NodeMembershipMultiJvmSpec extends MultiNodeConfig {
   commonConfig(debugConfig(on = false).withFallback(MultiNodeClusterSpec.clusterConfig))
 }
 
-class NodeMembershipMultiJvmNode1 extends NodeMembershipSpec
-class NodeMembershipMultiJvmNode2 extends NodeMembershipSpec
-class NodeMembershipMultiJvmNode3 extends NodeMembershipSpec
+class NodeMembershipMultiJvmNode1 extends NodeMembershipSpec with AccrualFailureDetectorStrategy
+class NodeMembershipMultiJvmNode2 extends NodeMembershipSpec with AccrualFailureDetectorStrategy
+class NodeMembershipMultiJvmNode3 extends NodeMembershipSpec with AccrualFailureDetectorStrategy
 
 abstract class NodeMembershipSpec
   extends MultiNodeSpec(NodeMembershipMultiJvmSpec)

akka-cluster/src/multi-jvm/scala/akka/cluster/NodeShutdownSpec.scala

@@ -24,8 +24,8 @@ object NodeShutdownMultiJvmSpec extends MultiNodeConfig {
 
 }
 
-class NodeShutdownMultiJvmNode1 extends NodeShutdownSpec
-class NodeShutdownMultiJvmNode2 extends NodeShutdownSpec
+class NodeShutdownMultiJvmNode1 extends NodeShutdownSpec with AccrualFailureDetectorStrategy
+class NodeShutdownMultiJvmNode2 extends NodeShutdownSpec with AccrualFailureDetectorStrategy
 
 abstract class NodeShutdownSpec extends MultiNodeSpec(NodeShutdownMultiJvmSpec) with MultiNodeClusterSpec {
   import NodeShutdownMultiJvmSpec._

akka-cluster/src/multi-jvm/scala/akka/cluster/NodeUpSpec.scala

@@ -19,8 +19,8 @@ object NodeUpMultiJvmSpec extends MultiNodeConfig {
   commonConfig(debugConfig(on = false).withFallback(MultiNodeClusterSpec.clusterConfig))
 }
 
-class NodeUpMultiJvmNode1 extends NodeUpSpec
-class NodeUpMultiJvmNode2 extends NodeUpSpec
+class NodeUpMultiJvmNode1 extends NodeUpSpec with AccrualFailureDetectorStrategy
+class NodeUpMultiJvmNode2 extends NodeUpSpec with AccrualFailureDetectorStrategy
 
 abstract class NodeUpSpec
   extends MultiNodeSpec(NodeUpMultiJvmSpec)

akka-cluster/src/multi-jvm/scala/akka/cluster/SunnyWeatherSpec.scala

@@ -28,11 +28,11 @@ object SunnyWeatherMultiJvmSpec extends MultiNodeConfig {
     """))
 }
 
-class SunnyWeatherMultiJvmNode1 extends SunnyWeatherSpec
-class SunnyWeatherMultiJvmNode2 extends SunnyWeatherSpec
-class SunnyWeatherMultiJvmNode3 extends SunnyWeatherSpec
-class SunnyWeatherMultiJvmNode4 extends SunnyWeatherSpec
-class SunnyWeatherMultiJvmNode5 extends SunnyWeatherSpec
+class SunnyWeatherMultiJvmNode1 extends SunnyWeatherSpec with AccrualFailureDetectorStrategy
+class SunnyWeatherMultiJvmNode2 extends SunnyWeatherSpec with AccrualFailureDetectorStrategy
+class SunnyWeatherMultiJvmNode3 extends SunnyWeatherSpec with AccrualFailureDetectorStrategy
+class SunnyWeatherMultiJvmNode4 extends SunnyWeatherSpec with AccrualFailureDetectorStrategy
+class SunnyWeatherMultiJvmNode5 extends SunnyWeatherSpec with AccrualFailureDetectorStrategy
 
 abstract class SunnyWeatherSpec
   extends MultiNodeSpec(SunnyWeatherMultiJvmSpec)

akka-cluster/src/test/scala/akka/cluster/FailureDetectorPuppet.scala

@@ -28,12 +28,12 @@ class FailureDetectorPuppet(system: ActorSystem, settings: ClusterSettings) exte
 
   private val connections = new ConcurrentHashMap[Address, Status]
 
-  def markAsDown(connection: Address): this.type = {
+  def markNodeAsUnavailable(connection: Address): this.type = {
     connections.put(connection, Down)
     this
   }
 
-  def markAsUp(connection: Address): this.type = {
+  def markNodeAsAvailable(connection: Address): this.type = {
     connections.put(connection, Up)
     this
   }