protocol

Type Members

case class AppendEntries[T] extends Message[Raft] with RaftMessage with Product with Serializable

Definition Classes
RaftProtocol
case class AppendRejected extends Message[Internal] with AppendResponse with Product with Serializable

Definition Classes
InternalProtocol
sealed trait AppendResponse extends Message[Internal] with FollowerResponse

When the Leader has sent an append, for an unexpected number, the Follower replies with this
When the Leader has sent an append, for an unexpected number, the Follower replies with this

Definition Classes
InternalProtocol
case class AppendSuccessful extends Message[Internal] with AppendResponse with Product with Serializable

Definition Classes
InternalProtocol
type Candidate = ActorRef

Definition Classes
StateMetadata
case class ChangeConfiguration extends Message[Raft] with Product with Serializable

Raft extension: Cluster Membership Changes / Joint Consensus
Raft extension: Cluster Membership Changes / Joint Consensus
There can take a while to propagate, and will only be applied when the config is passed on to all nodes, and the Leader (current, or new) is contained in the new cluster configuration - this may cause a re-election, if we're about to remove the current leader from the cluster.

Definition Classes
RaftProtocol
See also
§6 - Cluster Membership Changes
case class ClientMessage[T] extends Message[Raft] with RaftMessage with Product with Serializable

Wrap messages you want to send to the underlying replicated state machine
Wrap messages you want to send to the underlying replicated state machine

Definition Classes
RaftProtocol
case class DeclineCandidate extends Message[Internal] with ElectionMessage with Product with Serializable

Definition Classes
InternalProtocol
sealed trait ElectionMessage extends Message[Internal]

Definition Classes
InternalProtocol
case class ElectionMeta extends Metadata with Product with Serializable

Definition Classes
StateMetadata
case class EntryCommitted extends Message[Testing] with Product with Serializable

Definition Classes
InternalProtocol
sealed trait FollowerResponse extends Message[Internal]

Definition Classes
InternalProtocol
case class InstallSnapshot extends Message[Raft] with Product with Serializable

Raft extension: Snapshots Used by the Leader to install a snapshot onto an "catching up from very behind" Follower.
Raft extension: Snapshots Used by the Leader to install a snapshot onto an "catching up from very behind" Follower. It's the Followers responsibility to load the snapshot data and apply it to it's state machine, by using akka-persistence provided mechanisms.

Definition Classes
RaftProtocol
See also
§7 - Log Compaction
sealed trait InternalMessage extends Message[Internal]

Definition Classes
InternalProtocol
case class LeaderIs extends Message[Raft] with Product with Serializable

Used by Members to notify com.teambytes.inflatable.raft.RaftClientActor actors that they're sending their requests to a non-leader, and that they should update their internal leader ActorRef to the given one.
Used by Members to notify com.teambytes.inflatable.raft.RaftClientActor actors that they're sending their requests to a non-leader, and that they should update their internal leader ActorRef to the given one.
Upon receive of such message, all further communication should be done with the given actorRef.

Definition Classes
RaftProtocol
See also
§8 - Client Interaction
sealed trait LeaderMessage extends Message[Internal]

Definition Classes
InternalProtocol
case class LeaderMeta extends Metadata with Product with Serializable

Definition Classes
StateMetadata
case class Meta extends Metadata with Product with Serializable

Definition Classes
StateMetadata
sealed trait Metadata extends AnyRef

Definition Classes
StateMetadata
sealed trait RaftMessage extends Message[Raft]

Definition Classes
RaftProtocol
sealed trait RaftState extends AnyRef

Definition Classes
RaftStates
case class RequestVote extends Message[Raft] with RaftMessage with Product with Serializable

Message sent by a com.teambytes.inflatable.raft.Candidate in order to win an election (and become com.teambytes.inflatable.raft.Leader).
Message sent by a com.teambytes.inflatable.raft.Candidate in order to win an election (and become com.teambytes.inflatable.raft.Leader).

Definition Classes
RaftProtocol
See also
§5.2 Leader Election and §5.4.1 - Election Restriction
case class SnapshotWritten extends Message[Testing] with Product with Serializable

Definition Classes
InternalProtocol
case class VoteCandidate extends Message[Internal] with ElectionMessage with Product with Serializable

Definition Classes
InternalProtocol

Abstract Value Members

abstract def getClass(): Class[_]

Definition Classes
Any

Concrete Value Members

final def !=(arg0: Any): Boolean

Definition Classes
Any
final def ##(): Int

Definition Classes
Any
final def ==(arg0: Any): Boolean

Definition Classes
Any
object AppendEntries extends Serializable

Definition Classes
RaftProtocol
object BeginElection extends Message[Internal] with ElectionMessage with Product with Serializable

Definition Classes
InternalProtocol
object Candidate extends RaftState with Product with Serializable

A Candidate tries to become a Leader, by issuing com.teambytes.inflatable.raft.protocol.RaftProtocol.RequestVote
A Candidate tries to become a Leader, by issuing com.teambytes.inflatable.raft.protocol.RaftProtocol.RequestVote

Definition Classes
RaftStates
object ElectedAsLeader extends Message[Internal] with ElectionMessage with Product with Serializable

Definition Classes
InternalProtocol
object ElectionTimeout extends Message[Internal] with ElectionMessage with Product with Serializable

Definition Classes
InternalProtocol
object Follower extends RaftState with Product with Serializable

A Follower can take writes from a Leader; If doesn't get any heartbeat, may decide to become a Candidate
A Follower can take writes from a Leader; If doesn't get any heartbeat, may decide to become a Candidate

Definition Classes
RaftStates
object Init extends RaftState with Product with Serializable

In this phase the member awaits to get it's com.teambytes.inflatable.raft.ClusterConfiguration
In this phase the member awaits to get it's com.teambytes.inflatable.raft.ClusterConfiguration

Definition Classes
RaftStates
object InitLogSnapshot extends Message[Internal] with Product with Serializable

Internal msg sent to actor which should start a snapshotting process
Internal msg sent to actor which should start a snapshotting process

Definition Classes
InternalProtocol
object Leader extends RaftState with Product with Serializable

The Leader is responsible for taking writes, and commiting entries, as well as keeping the heartbeat to all members
The Leader is responsible for taking writes, and commiting entries, as well as keeping the heartbeat to all members

Definition Classes
RaftStates
object Meta extends Serializable

Definition Classes
StateMetadata
object RequestConfiguration extends Message[Internal] with Product with Serializable

Message issued by freshly restarted actor after has crashed Leader reacts with sending com.teambytes.inflatable.raft.protocol.RaftProtocol.ChangeConfiguration
Message issued by freshly restarted actor after has crashed Leader reacts with sending com.teambytes.inflatable.raft.protocol.RaftProtocol.ChangeConfiguration

Definition Classes
RaftProtocol
See also
§6 - Cluster Membership Changes
object SendHeartbeat extends Message[Internal] with LeaderMessage with Product with Serializable

Definition Classes
InternalProtocol
object WhoIsTheLeader extends Message[Raft] with Product with Serializable

Definition Classes
RaftProtocol
final def asInstanceOf[T0]: T0

Definition Classes
Any
def equals(arg0: Any): Boolean

Definition Classes
Any
def hashCode(): Int

Definition Classes
Any
final def isInstanceOf[T0]: Boolean

Definition Classes
Any
def toString(): String

Definition Classes
Any

package protocol

Type Members

case class AppendEntries[T] extends Message[Raft] with RaftMessage with Product with Serializable

case class AppendRejected extends Message[Internal] with AppendResponse with Product with Serializable

sealed trait AppendResponse extends Message[Internal] with FollowerResponse

case class AppendSuccessful extends Message[Internal] with AppendResponse with Product with Serializable

type Candidate = ActorRef

case class ChangeConfiguration extends Message[Raft] with Product with Serializable

case class ClientMessage[T] extends Message[Raft] with RaftMessage with Product with Serializable

case class DeclineCandidate extends Message[Internal] with ElectionMessage with Product with Serializable

sealed trait ElectionMessage extends Message[Internal]

case class ElectionMeta extends Metadata with Product with Serializable

case class EntryCommitted extends Message[Testing] with Product with Serializable

sealed trait FollowerResponse extends Message[Internal]

case class InstallSnapshot extends Message[Raft] with Product with Serializable

sealed trait InternalMessage extends Message[Internal]

case class LeaderIs extends Message[Raft] with Product with Serializable

sealed trait LeaderMessage extends Message[Internal]

case class LeaderMeta extends Metadata with Product with Serializable

case class Meta extends Metadata with Product with Serializable

sealed trait Metadata extends AnyRef

sealed trait RaftMessage extends Message[Raft]

sealed trait RaftState extends AnyRef

case class RequestVote extends Message[Raft] with RaftMessage with Product with Serializable

case class SnapshotWritten extends Message[Testing] with Product with Serializable

case class VoteCandidate extends Message[Internal] with ElectionMessage with Product with Serializable

Abstract Value Members

abstract def getClass(): Class[_]

Concrete Value Members

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

object AppendEntries extends Serializable

object BeginElection extends Message[Internal] with ElectionMessage with Product with Serializable

object Candidate extends RaftState with Product with Serializable

object ElectedAsLeader extends Message[Internal] with ElectionMessage with Product with Serializable

object ElectionTimeout extends Message[Internal] with ElectionMessage with Product with Serializable

object Follower extends RaftState with Product with Serializable

object Init extends RaftState with Product with Serializable

object InitLogSnapshot extends Message[Internal] with Product with Serializable

object Leader extends RaftState with Product with Serializable

object Meta extends Serializable

object RequestConfiguration extends Message[Internal] with Product with Serializable

object SendHeartbeat extends Message[Internal] with LeaderMessage with Product with Serializable

object WhoIsTheLeader extends Message[Raft] with Product with Serializable

final def asInstanceOf[T0]: T0

def equals(arg0: Any): Boolean

def hashCode(): Int

final def isInstanceOf[T0]: Boolean

def toString(): String

Inherited from RaftStates

Inherited from StateMetadata

Inherited from RaftClusterMembershipProtocol

Inherited from InternalProtocol

Inherited from RaftProtocol

Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

Ungrouped