akka.persistence

Recovery

Related Doc: package persistence

trait Recovery extends Actor with Snapshotter with Stash with StashFactory

Recovery state machine that loads snapshots and replays messages.

Source
Recovery.scala
See also

PersistentView

PersistentActor

Linear Supertypes
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Inherited
  1. Recovery
  2. StashFactory
  3. Stash
  4. RequiresMessageQueue
  5. UnrestrictedStash
  6. StashSupport
  7. Snapshotter
  8. Actor
  9. AnyRef
  10. Any
Implicitly
  1. by any2stringadd
  2. by StringFormat
  3. by Ensuring
  4. by ArrowAssoc
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Type Members

  1. type Receive = PartialFunction[Any, Unit]

    Definition Classes
    Actor

Abstract Value Members

  1. abstract def persistenceId: String

    Id of the persistent entity for which messages should be replayed.

  2. abstract def receive: actor.Actor.Receive

    This defines the initial actor behavior, it must return a partial function with the actor logic.

    This defines the initial actor behavior, it must return a partial function with the actor logic.

    Definition Classes
    Actor
  3. abstract def snapshotterId: String

    Snapshotter id.

    Snapshotter id.

    Definition Classes
    Snapshotter

Concrete Value Members

  1. final def !=(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

    Definition Classes
    AnyRef → Any
  3. def +(other: String): String

    Implicit information
    This member is added by an implicit conversion from Recovery to any2stringadd[Recovery] performed by method any2stringadd in scala.Predef.
    Definition Classes
    any2stringadd
  4. def ->[B](y: B): (Recovery, B)

    Implicit information
    This member is added by an implicit conversion from Recovery to ArrowAssoc[Recovery] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @inline()
  5. final def ==(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any
  6. def aroundPostRestart(reason: Throwable): Unit

    Can be overridden to intercept calls to postRestart.

    Can be overridden to intercept calls to postRestart. Calls postRestart by default.

    Attributes
    protected[akka]
    Definition Classes
    Actor
  7. def aroundPostStop(): Unit

    Can be overridden to intercept calls to postStop.

    Can be overridden to intercept calls to postStop. Calls postStop by default.

    Attributes
    protected[akka]
    Definition Classes
    Actor
  8. def aroundPreRestart(reason: Throwable, message: Option[Any]): Unit

    Can be overridden to intercept calls to preRestart.

    Can be overridden to intercept calls to preRestart. Calls preRestart by default.

    Attributes
    protected[akka]
    Definition Classes
    Actor
  9. def aroundPreStart(): Unit

    Can be overridden to intercept calls to preStart.

    Can be overridden to intercept calls to preStart. Calls preStart by default.

    Attributes
    protected[akka]
    Definition Classes
    Actor
  10. def aroundReceive(receive: Receive, message: Any): Unit

    INTERNAL API.

    INTERNAL API.

    receive

    current behavior.

    Attributes
    protected[akka]
    Definition Classes
    RecoveryActor
  11. final def asInstanceOf[T0]: T0

    Definition Classes
    Any
  12. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  13. implicit val context: ActorContext

    Stores the context for this actor, including self, and sender.

    Stores the context for this actor, including self, and sender. It is implicit to support operations such as forward.

    WARNING: Only valid within the Actor itself, so do not close over it and publish it to other threads!

    akka.actor.ActorContext is the Scala API. getContext returns a akka.actor.UntypedActorContext, which is the Java API of the actor context.

    Definition Classes
    Actor
  14. def deleteSnapshot(sequenceNr: Long, timestamp: Long): Unit

    Deletes a snapshot identified by sequenceNr and timestamp.

    Deletes a snapshot identified by sequenceNr and timestamp.

    Definition Classes
    Snapshotter
  15. def deleteSnapshots(criteria: SnapshotSelectionCriteria): Unit

    Deletes all snapshots matching criteria.

    Deletes all snapshots matching criteria.

    Definition Classes
    Snapshotter
  16. def ensuring(cond: (Recovery) ⇒ Boolean, msg: ⇒ Any): Recovery

    Implicit information
    This member is added by an implicit conversion from Recovery to Ensuring[Recovery] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  17. def ensuring(cond: (Recovery) ⇒ Boolean): Recovery

    Implicit information
    This member is added by an implicit conversion from Recovery to Ensuring[Recovery] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  18. def ensuring(cond: Boolean, msg: ⇒ Any): Recovery

    Implicit information
    This member is added by an implicit conversion from Recovery to Ensuring[Recovery] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  19. def ensuring(cond: Boolean): Recovery

    Implicit information
    This member is added by an implicit conversion from Recovery to Ensuring[Recovery] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  20. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  21. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any
  22. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  23. def formatted(fmtstr: String): String

    Implicit information
    This member is added by an implicit conversion from Recovery to StringFormat[Recovery] performed by method StringFormat in scala.Predef.
    Definition Classes
    StringFormat
    Annotations
    @inline()
  24. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any
  25. def hashCode(): Int

    Definition Classes
    AnyRef → Any
  26. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  27. def lastSequenceNr: Long

    Highest received sequence number so far or 0L if this actor hasn't received a persistent message yet.

    Highest received sequence number so far or 0L if this actor hasn't received a persistent message yet. Usually equal to the sequence number of currentPersistentMessage (unless a receiver implementation is about to re-order persistent messages using stash() and unstash()).

  28. def loadSnapshot(persistenceId: String, criteria: SnapshotSelectionCriteria, toSequenceNr: Long): Unit

    Definition Classes
    Snapshotter
  29. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  30. final def notify(): Unit

    Definition Classes
    AnyRef
  31. final def notifyAll(): Unit

    Definition Classes
    AnyRef
  32. def postRestart(reason: Throwable): Unit

    User overridable callback: By default it calls preStart().

    User overridable callback: By default it calls preStart().

    reason

    the Throwable that caused the restart to happen

    Is called right AFTER restart on the newly created Actor to allow reinitialization after an Actor crash.

    Definition Classes
    Actor
    Annotations
    @throws( classOf[Exception] )
  33. def postStop(): Unit

    Overridden callback.

    Overridden callback. Prepends all messages in the stash to the mailbox and clears the stash. Must be called when overriding this method, otherwise stashed messages won't be propagated to DeadLetters when actor stops.

    Definition Classes
    UnrestrictedStashActor
  34. def preRestart(reason: Throwable, message: Option[Any]): Unit

    Overridden callback.

    Overridden callback. Prepends all messages in the stash to the mailbox, clears the stash, stops all children and invokes the postStop() callback.

    reason

    the Throwable that caused the restart to happen

    message

    optionally the current message the actor processed when failing, if applicable

    Is called on a crashed Actor right BEFORE it is restarted to allow clean up of resources before Actor is terminated.

    Definition Classes
    UnrestrictedStashActor
  35. def preStart(): Unit

    User overridable callback.

    User overridable callback.

    Is called when an Actor is started. Actors are automatically started asynchronously when created. Empty default implementation.

    Definition Classes
    Actor
    Annotations
    @throws( classOf[Exception] )
  36. def saveSnapshot(snapshot: Any): Unit

    Saves a snapshot of this snapshotter's state.

    Saves a snapshot of this snapshotter's state. If saving succeeds, this snapshotter will receive a SaveSnapshotSuccess message, otherwise a SaveSnapshotFailure message.

    Definition Classes
    Snapshotter
  37. implicit final val self: ActorRef

    The 'self' field holds the ActorRef for this actor.

    The 'self' field holds the ActorRef for this actor.

    Can be used to send messages to itself:

    self ! message
    

    Definition Classes
    Actor
  38. final def sender(): ActorRef

    The reference sender Actor of the last received message.

    The reference sender Actor of the last received message. Is defined if the message was sent from another Actor, else deadLetters in akka.actor.ActorSystem.

    WARNING: Only valid within the Actor itself, so do not close over it and publish it to other threads!

    Definition Classes
    Actor
  39. def snapshotSequenceNr: Long

    Returns lastSequenceNr.

    Returns lastSequenceNr.

    Definition Classes
    RecoverySnapshotter
  40. def stash(): Unit

    Adds the current message (the message that the actor received last) to the actor's stash.

    Adds the current message (the message that the actor received last) to the actor's stash.

    Definition Classes
    StashSupport
    Exceptions thrown

    IllegalStateException if the same message is stashed more than once

    StashOverflowException in case of a stash capacity violation

  41. def supervisorStrategy: SupervisorStrategy

    User overridable definition the strategy to use for supervising child actors.

    User overridable definition the strategy to use for supervising child actors.

    Definition Classes
    Actor
  42. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef
  43. def toString(): String

    Definition Classes
    AnyRef → Any
  44. def unhandled(message: Any): Unit

    User overridable callback.

    User overridable callback.

    Is called when a message isn't handled by the current behavior of the actor by default it fails with either a akka.actor.DeathPactException (in case of an unhandled akka.actor.Terminated message) or publishes an akka.actor.UnhandledMessage to the actor's system's akka.event.EventStream

    Definition Classes
    Actor
  45. def unstashAll(): Unit

    Prepends all messages in the stash to the mailbox, and then clears the stash.

    Prepends all messages in the stash to the mailbox, and then clears the stash.

    Messages from the stash are enqueued to the mailbox until the capacity of the mailbox (if any) has been reached. In case a bounded mailbox overflows, a MessageQueueAppendFailedException is thrown.

    The stash is guaranteed to be empty after calling unstashAll().

    Definition Classes
    StashSupport
  46. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  47. final def wait(arg0: Long, arg1: Int): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  48. final def wait(arg0: Long): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  49. def [B](y: B): (Recovery, B)

    Implicit information
    This member is added by an implicit conversion from Recovery to ArrowAssoc[Recovery] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc

Deprecated Value Members

  1. implicit def currentPersistentMessage: Option[Persistent]

    Returns the current persistent message if there is any.

    Returns the current persistent message if there is any.

    Annotations
    @deprecated
    Deprecated

    (Since version 2.3.4) currentPersistentMessage will be removed, sequence number can be retrieved with lastSequenceNr.

  2. def getCurrentPersistentMessage: Persistent

    Java API: returns the current persistent message or null if there is none.

    Java API: returns the current persistent message or null if there is none.

    Annotations
    @deprecated
    Deprecated

    (Since version 2.3.4) getCurrentPersistentMessage will be removed, sequence number can be retrieved with lastSequenceNr.

  3. def processorId: String

    Id of the processor for which messages should be replayed.

    Id of the processor for which messages should be replayed.

    Annotations
    @deprecated
    Deprecated

    (Since version 2.3.4) Override persistenceId instead. Processor will be removed.

Inherited from StashFactory

Inherited from Stash

Inherited from UnrestrictedStash

Inherited from StashSupport

Inherited from Snapshotter

Inherited from Actor

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion any2stringadd from Recovery to any2stringadd[Recovery]

Inherited by implicit conversion StringFormat from Recovery to StringFormat[Recovery]

Inherited by implicit conversion Ensuring from Recovery to Ensuring[Recovery]

Inherited by implicit conversion ArrowAssoc from Recovery to ArrowAssoc[Recovery]

Ungrouped