object Effect
Factory methods for creating Effect directives - how a DurableStateBehavior
reacts on a command.
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- Effect.scala
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- def delete[State](): EffectBuilder[State]
Delete the persisted state.
Delete the persisted state.
Side effects can be chained with
thenRun
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- def noReply[State]: ReplyEffect[State]
When DurableStateBehavior.withEnforcedReplies is used there will be compilation errors if the returned effect isn't a ReplyEffect.
When DurableStateBehavior.withEnforcedReplies is used there will be compilation errors if the returned effect isn't a ReplyEffect. This
noReply
can be used as a conscious decision that a reply shouldn't be sent for a specific command or the reply will be sent later. - def none[State]: EffectBuilder[State]
Do not persist anything
Do not persist anything
Side effects can be chained with
thenRun
- final def notify(): Unit
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- final def notifyAll(): Unit
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- def persist[State](state: State): EffectBuilder[State]
Persist new state.
Persist new state.
Side effects can be chained with
thenRun
- def reply[ReplyMessage, State](replyTo: ActorRef[ReplyMessage])(replyWithMessage: ReplyMessage): ReplyEffect[State]
Send a reply message to the command.
Send a reply message to the command. The type of the reply message must conform to the type specified by the passed replyTo
ActorRef
.This has the same semantics as
cmd.replyTo.tell
.It is provided as a convenience (reducing boilerplate) and a way to enforce that replies are not forgotten when the
DurableStateBehavior
is created with DurableStateBehavior.withEnforcedReplies. WhenwithEnforcedReplies
is used there will be compilation errors if the returned effect isn't a ReplyEffect. The reply message will be sent also ifwithEnforcedReplies
isn't used, but then the compiler will not help finding mistakes. - def stash[State](): ReplyEffect[State]
Stash the current command.
Stash the current command. Can be unstashed later with Effect.unstashAll.
Note that the stashed commands are kept in an in-memory buffer, so in case of a crash they will not be processed. They will also be discarded if the actor is restarted (or stopped) due to that an exception was thrown from processing a command or side effect after persisting. The stash buffer is preserved for persist failures if a backoff supervisor strategy is defined with DurableStateBehavior.onPersistFailure.
Side effects can be chained with
thenRun
- def stop[State](): EffectBuilder[State]
Stop this persistent actor Side effects can be chained with
thenRun
- final def synchronized[T0](arg0: => T0): T0
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- def unhandled[State]: EffectBuilder[State]
This command is not handled, but it is not an error that it isn't.
This command is not handled, but it is not an error that it isn't.
Side effects can be chained with
thenRun
- def unstashAll[State](): Effect[State]
Unstash the commands that were stashed with Effect.stash.
Unstash the commands that were stashed with Effect.stash.
It's allowed to stash messages while unstashing. Those newly added commands will not be processed by this
unstashAll
effect and have to be unstashed by anotherunstashAll
.- See also
- final def wait(arg0: Long, arg1: Int): Unit
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- final def wait(arg0: Long): Unit
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- final def wait(): Unit
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