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object DurableStateBehavior

API May Change

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@ApiMayChange()
Source
DurableStateBehavior.scala
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Type Members

  1. type CommandHandler[Command, State] = (State, Command) => Effect[State]

    Type alias for the command handler function that defines how to act on commands.

    Type alias for the command handler function that defines how to act on commands.

    The type alias is not used in API signatures because it's easier to see (in IDE) what is needed when full function type is used. When defining the handler as a separate function value it can be useful to use the alias for shorter type signature.

Value Members

  1. final def !=(arg0: Any): Boolean
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  2. final def ##: Int
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  3. final def ==(arg0: Any): Boolean
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  4. def apply[Command, State](persistenceId: PersistenceId, emptyState: State, commandHandler: (State, Command) => Effect[State]): DurableStateBehavior[Command, State]

    Create a Behavior for a persistent actor with durable storage of its state.

    Create a Behavior for a persistent actor with durable storage of its state.

    persistenceId

    stable unique identifier for the DurableStateBehavior

    emptyState

    the intial state for the entity before any state has been stored

    commandHandler

    map commands to effects e.g. persisting state, replying to commands

  5. final def asInstanceOf[T0]: T0
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  6. def clone(): AnyRef
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    protected[lang]
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    @throws(classOf[java.lang.CloneNotSupportedException]) @native() @HotSpotIntrinsicCandidate()
  7. final def eq(arg0: AnyRef): Boolean
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  8. def equals(arg0: AnyRef): Boolean
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  9. final def getClass(): Class[_ <: AnyRef]
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    @native() @HotSpotIntrinsicCandidate()
  10. def hashCode(): Int
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    @native() @HotSpotIntrinsicCandidate()
  11. final def isInstanceOf[T0]: Boolean
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  12. def lastSequenceNumber(context: ActorContext[_]): Long

    The last sequence number that was persisted, can only be called from inside the handlers of a DurableStateBehavior

  13. final def ne(arg0: AnyRef): Boolean
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  14. final def notify(): Unit
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    @native() @HotSpotIntrinsicCandidate()
  15. final def notifyAll(): Unit
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    @native() @HotSpotIntrinsicCandidate()
  16. final def synchronized[T0](arg0: => T0): T0
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  17. def toString(): String
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  18. final def wait(arg0: Long, arg1: Int): Unit
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    @throws(classOf[java.lang.InterruptedException])
  19. final def wait(arg0: Long): Unit
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    @throws(classOf[java.lang.InterruptedException]) @native()
  20. final def wait(): Unit
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    @throws(classOf[java.lang.InterruptedException])
  21. def withEnforcedReplies[Command, State](persistenceId: PersistenceId, emptyState: State, commandHandler: (State, Command) => ReplyEffect[State]): DurableStateBehavior[Command, State]

    Create a Behavior for a persistent actor that is enforcing that replies to commands are not forgotten.

    Create a Behavior for a persistent actor that is enforcing that replies to commands are not forgotten. Then there will be compilation errors if the returned effect isn't a ReplyEffect, which can be created with Effect.reply, Effect.noReply, EffectBuilder.thenReply, or EffectBuilder.thenNoReply.

  22. object CommandHandler

    The CommandHandler defines how to act on commands.

    The CommandHandler defines how to act on commands. A CommandHandler is a function:

    (State, Command) => Effect[State]

    The CommandHandler#command is useful for simple commands that don't need the state and context.

Deprecated Value Members

  1. def finalize(): Unit
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    @throws(classOf[java.lang.Throwable]) @Deprecated @Deprecated
    Deprecated

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