org.apache.pekko.persistence.fsm
AbstractPersistentFSMBase
Companion object AbstractPersistentFSMBase
abstract class AbstractPersistentFSMBase[S, D, E] extends PersistentFSMBase[S, D, E]
Java API: compatible with lambda expressions
Finite State Machine actor abstract base class.
- Annotations
- @deprecated
- Deprecated
(Since version Akka 2.6.0) Use EventSourcedBehavior
- Source
- PersistentFSMBase.scala
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- By Inheritance
- AbstractPersistentFSMBase
- PersistentFSMBase
- ActorLogging
- Listeners
- Actor
- AnyRef
- Any
- by any2stringadd
- by StringFormat
- by Ensuring
- by ArrowAssoc
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- Public
- All
Instance Constructors
- new AbstractPersistentFSMBase()
Type Members
-
type
Event = PersistentFSM.Event[D]
- Definition Classes
- PersistentFSMBase
-
type
Receive = PartialFunction[Any, Unit]
- Definition Classes
- Actor
-
type
State = PersistentFSM.State[S, D, E]
- Definition Classes
- PersistentFSMBase
-
type
StateFunction = PartialFunction[Event, State]
- Definition Classes
- PersistentFSMBase
-
type
StopEvent = PersistentFSM.StopEvent[S, D]
- Definition Classes
- PersistentFSMBase
-
type
Timeout = Option[FiniteDuration]
- Definition Classes
- PersistentFSMBase
-
type
TransitionHandler = PartialFunction[(S, S), Unit]
- Definition Classes
- PersistentFSMBase
-
final
class
TransformHelper extends AnyRef
- Definition Classes
- PersistentFSMBase
Value Members
-
final
def
!=(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
-
final
def
##(): Int
- Definition Classes
- AnyRef → Any
-
def
+(other: String): String
- Implicit
- This member is added by an implicit conversion from AbstractPersistentFSMBase[S, D, E] to any2stringadd[AbstractPersistentFSMBase[S, D, E]] performed by method any2stringadd in scala.Predef.
- Definition Classes
- any2stringadd
-
val
->: PersistentFSM.->.type
This extractor is just convenience for matching a (S, S) pair, including a reminder what the new state is.
This extractor is just convenience for matching a (S, S) pair, including a reminder what the new state is.
- Definition Classes
- PersistentFSMBase
-
final
def
==(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
-
val
Event: PersistentFSM.Event.type
- Definition Classes
- PersistentFSMBase
-
val
Normal: Reason
Default reason if calling
stop(). -
val
Shutdown: Reason
Reason given when someone was calling
system.stop(fsm)from outside; also applies toStopsupervision directive. -
val
StateTimeout: PersistentFSM.StateTimeout.type
This case object is received in case of a state timeout.
This case object is received in case of a state timeout.
- Definition Classes
- PersistentFSMBase
-
val
StopEvent: PersistentFSM.StopEvent.type
- Definition Classes
- PersistentFSMBase
-
def
aroundPostRestart(reason: Throwable): Unit
- Attributes
- protected[pekko]
- Definition Classes
- Actor
- Annotations
- @InternalApi()
-
def
aroundPostStop(): Unit
- Attributes
- protected[pekko]
- Definition Classes
- Actor
- Annotations
- @InternalApi()
-
def
aroundPreRestart(reason: Throwable, message: Option[Any]): Unit
- Attributes
- protected[pekko]
- Definition Classes
- Actor
- Annotations
- @InternalApi()
-
def
aroundPreStart(): Unit
- Attributes
- protected[pekko]
- Definition Classes
- Actor
- Annotations
- @InternalApi()
-
def
aroundReceive(receive: actor.Actor.Receive, msg: Any): Unit
- Attributes
- protected[pekko]
- Definition Classes
- Actor
- Annotations
- @InternalApi()
-
final
def
asInstanceOf[T0]: T0
- Definition Classes
- Any
-
final
def
cancelTimer(name: String): Unit
Cancel named timer, ensuring that the message is not subsequently delivered (no race).
Cancel named timer, ensuring that the message is not subsequently delivered (no race).
- name
of the timer to cancel
- Definition Classes
- PersistentFSMBase
-
def
clone(): AnyRef
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws( ... ) @native() @HotSpotIntrinsicCandidate()
-
implicit
val
context: ActorContext
- Definition Classes
- Actor
-
def
ensuring(cond: (AbstractPersistentFSMBase[S, D, E]) ⇒ Boolean, msg: ⇒ Any): AbstractPersistentFSMBase[S, D, E]
- Implicit
- This member is added by an implicit conversion from AbstractPersistentFSMBase[S, D, E] to Ensuring[AbstractPersistentFSMBase[S, D, E]] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
-
def
ensuring(cond: (AbstractPersistentFSMBase[S, D, E]) ⇒ Boolean): AbstractPersistentFSMBase[S, D, E]
- Implicit
- This member is added by an implicit conversion from AbstractPersistentFSMBase[S, D, E] to Ensuring[AbstractPersistentFSMBase[S, D, E]] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
-
def
ensuring(cond: Boolean, msg: ⇒ Any): AbstractPersistentFSMBase[S, D, E]
- Implicit
- This member is added by an implicit conversion from AbstractPersistentFSMBase[S, D, E] to Ensuring[AbstractPersistentFSMBase[S, D, E]] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
-
def
ensuring(cond: Boolean): AbstractPersistentFSMBase[S, D, E]
- Implicit
- This member is added by an implicit conversion from AbstractPersistentFSMBase[S, D, E] to Ensuring[AbstractPersistentFSMBase[S, D, E]] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
-
final
def
eq(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
-
def
equals(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
-
final
def
getClass(): Class[_]
- Definition Classes
- AnyRef → Any
- Annotations
- @native() @HotSpotIntrinsicCandidate()
-
def
getContext(): ActorContext
Returns this AbstractActor's ActorContext The ActorContext is not thread safe so do not expose it outside of the AbstractActor.
-
def
getSelf(): ActorRef
Returns the ActorRef for this actor.
Returns the ActorRef for this actor.
Same as
self(). -
def
getSender(): ActorRef
The reference sender Actor of the currently processed message.
The reference sender Actor of the currently processed message. This is always a legal destination to send to, even if there is no logical recipient for the reply, in which case it will be sent to the dead letter mailbox.
Same as
sender().WARNING: Only valid within the Actor itself, so do not close over it and publish it to other threads!
-
final
def
goTo(nextStateName: S): State
Produce transition to other state.
Produce transition to other state. Return this from a state function in order to effect the transition.
- nextStateName
state designator for the next state
- returns
state transition descriptor
-
def
gossip(msg: Any)(implicit sender: ActorRef): Unit
- Attributes
- protected
- Definition Classes
- Listeners
-
final
def
goto(nextStateName: S): State
Produce transition to other state.
Produce transition to other state. Return this from a state function in order to effect the transition.
This method always triggers transition events, even for
A -> Atransitions. If you want to stay in the same state without triggering an state transition event use #stay instead.- nextStateName
state designator for the next state
- returns
state transition descriptor
- Definition Classes
- PersistentFSMBase
-
def
hashCode(): Int
- Definition Classes
- AnyRef → Any
- Annotations
- @native() @HotSpotIntrinsicCandidate()
-
final
def
isInstanceOf[T0]: Boolean
- Definition Classes
- Any
-
final
def
isTimerActive(name: String): Boolean
Inquire whether the named timer is still active.
Inquire whether the named timer is still active. Returns true unless the timer does not exist, has previously been canceled or if it was a single-shot timer whose message was already received.
- Definition Classes
- PersistentFSMBase
-
def
listenerManagement: actor.Actor.Receive
- Attributes
- protected
- Definition Classes
- Listeners
-
val
listeners: Set[ActorRef]
- Attributes
- protected
- Definition Classes
- Listeners
-
def
log: LoggingAdapter
- Definition Classes
- ActorLogging
-
def
logTermination(reason: Reason): Unit
By default PersistentFSM.Failure is logged at error level and other reason types are not logged.
By default PersistentFSM.Failure is logged at error level and other reason types are not logged. It is possible to override this behavior.
- Attributes
- protected
- Definition Classes
- PersistentFSMBase
-
final
def
matchAnyEvent(apply: Apply2[AnyRef, D, State]): FSMStateFunctionBuilder[S, D, E]
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
A case statement that matches on any type of event.
- apply
an action to apply to the event and state data if there is a match
- returns
the builder with the case statement added
-
final
def
matchData[DT <: D](dataType: Class[DT], predicate: TypedPredicate[DT], apply: UnitApply[DT]): UnitPFBuilder[D]
Create a pekko.japi.pf.UnitPFBuilder with the first case statement set.
Create a pekko.japi.pf.UnitPFBuilder with the first case statement set.
- dataType
a type to match the argument against
- predicate
a predicate that will be evaluated on the argument if the type matches
- apply
an action to apply to the argument if the type and predicate matches
- returns
a builder with the case statement added
-
final
def
matchData[DT <: D](dataType: Class[DT], apply: UnitApply[DT]): UnitPFBuilder[D]
Create a pekko.japi.pf.UnitPFBuilder with the first case statement set.
Create a pekko.japi.pf.UnitPFBuilder with the first case statement set.
- dataType
a type to match the argument against
- apply
an action to apply to the argument if the type matches
- returns
a builder with the case statement added
-
final
def
matchEvent(eventMatches: List[AnyRef], apply: Apply2[AnyRef, D, State]): FSMStateFunctionBuilder[S, D, E]
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
A case statement that matches if any of the event types in the list match or any of the event instances in the list compares equal.
- eventMatches
a list of types or instances to match against
- apply
an action to apply to the event and state data if there is a match
- returns
the builder with the case statement added
-
final
def
matchEvent[DT <: D](eventMatches: List[AnyRef], dataType: Class[DT], apply: Apply2[AnyRef, DT, State]): FSMStateFunctionBuilder[S, D, E]
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
A case statement that matches on the data type and if any of the event types in the list match or any of the event instances in the list compares equal.
- eventMatches
a list of types or instances to match against
- dataType
the data type to match on
- apply
an action to apply to the event and state data if there is a match
- returns
the builder with the case statement added
-
final
def
matchEvent(predicate: TypedPredicate2[AnyRef, D], apply: Apply2[AnyRef, D, State]): FSMStateFunctionBuilder[S, D, E]
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
A case statement that matches if the predicate matches.
- predicate
a predicate that will be evaluated on the data and the event
- apply
an action to apply to the event and state data if there is a match
- returns
the builder with the case statement added
-
final
def
matchEvent[ET](eventType: Class[ET], apply: Apply2[ET, D, State]): FSMStateFunctionBuilder[S, D, E]
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
A case statement that matches if the event type matches.
- eventType
the event type to match on
- apply
an action to apply to the event and state data if there is a match
- returns
the builder with the case statement added
-
final
def
matchEvent[ET](eventType: Class[ET], predicate: TypedPredicate2[ET, D], apply: Apply2[ET, D, State]): FSMStateFunctionBuilder[S, D, E]
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
A case statement that matches if the event type and predicate matches.
- eventType
the event type to match on
- predicate
a predicate that will be evaluated on the data and the event
- apply
an action to apply to the event and state data if there is a match
- returns
the builder with the case statement added
-
final
def
matchEvent[ET, DT <: D](eventType: Class[ET], dataType: Class[DT], apply: Apply2[ET, DT, State]): FSMStateFunctionBuilder[S, D, E]
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
A case statement that matches on an event and data type.
- eventType
the event type to match on
- dataType
the data type to match on
- apply
an action to apply to the event and state data if there is a match
- returns
the builder with the case statement added
-
final
def
matchEvent[ET, DT <: D](eventType: Class[ET], dataType: Class[DT], predicate: TypedPredicate2[ET, DT], apply: Apply2[ET, DT, State]): FSMStateFunctionBuilder[S, D, E]
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
A case statement that matches on an event and data type and a predicate.
- eventType
the event type to match on
- dataType
the data type to match on
- predicate
a predicate to evaluate on the matched types
- apply
an action to apply to the event and state data if there is a match
- returns
the builder with the case statement added
-
final
def
matchEventEquals[Ev](event: Ev, apply: Apply2[Ev, D, State]): FSMStateFunctionBuilder[S, D, E]
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
A case statement that matches if the event compares equal.
- event
an event to compare equal against
- apply
an action to apply to the event and state data if there is a match
- returns
the builder with the case statement added
-
final
def
matchEventEquals[Ev, DT <: D](event: Ev, dataType: Class[DT], apply: Apply2[Ev, DT, State]): FSMStateFunctionBuilder[S, D, E]
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
Create an pekko.japi.pf.FSMStateFunctionBuilder with the first case statement set.
A case statement that matches on the data type and if the event compares equal.
- event
an event to compare equal against
- dataType
the data type to match on
- apply
an action to apply to the event and state data if there is a match
- returns
the builder with the case statement added
-
final
def
matchState(fromState: S, toState: S, apply: UnitApply2[S, S]): FSMTransitionHandlerBuilder[S]
Create an pekko.japi.pf.FSMTransitionHandlerBuilder with the first case statement set.
Create an pekko.japi.pf.FSMTransitionHandlerBuilder with the first case statement set.
A case statement that matches on a from state and a to state.
- fromState
the from state to match on
- toState
the to state to match on
- apply
an action to apply when the states match
- returns
the builder with the case statement added
-
final
def
matchState(fromState: S, toState: S, apply: UnitApplyVoid): FSMTransitionHandlerBuilder[S]
Create an pekko.japi.pf.FSMTransitionHandlerBuilder with the first case statement set.
Create an pekko.japi.pf.FSMTransitionHandlerBuilder with the first case statement set.
A case statement that matches on a from state and a to state.
- fromState
the from state to match on
- toState
the to state to match on
- apply
an action to apply when the states match
- returns
the builder with the case statement added
-
final
def
matchStop[RT <: Reason](reasonType: Class[RT], predicate: TypedPredicate[RT], apply: UnitApply3[RT, S, D]): FSMStopBuilder[S, D]
Create an pekko.japi.pf.FSMStopBuilder with the first case statement set.
Create an pekko.japi.pf.FSMStopBuilder with the first case statement set.
A case statement that matches on a reason type and a predicate.
- reasonType
the reason type to match on
- predicate
a predicate that will be evaluated on the reason if the type matches
- apply
an action to apply to the reason, event and state data if there is a match
- returns
the builder with the case statement added
-
final
def
matchStop[RT <: Reason](reasonType: Class[RT], apply: UnitApply3[RT, S, D]): FSMStopBuilder[S, D]
Create an pekko.japi.pf.FSMStopBuilder with the first case statement set.
Create an pekko.japi.pf.FSMStopBuilder with the first case statement set.
A case statement that matches on a reason type.
- reasonType
the reason type to match on
- apply
an action to apply to the reason, event and state data if there is a match
- returns
the builder with the case statement added
-
final
def
matchStop(reason: Reason, apply: UnitApply2[S, D]): FSMStopBuilder[S, D]
Create an pekko.japi.pf.FSMStopBuilder with the first case statement set.
Create an pekko.japi.pf.FSMStopBuilder with the first case statement set.
A case statement that matches on an PersistentFSM.Reason.
- reason
the reason for the termination
- apply
an action to apply to the event and state data if there is a match
- returns
the builder with the case statement added
-
final
def
ne(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
-
final
def
nextStateData: D
Return next state data (available in onTransition handlers)
Return next state data (available in onTransition handlers)
- Definition Classes
- PersistentFSMBase
-
final
def
notify(): Unit
- Definition Classes
- AnyRef
- Annotations
- @native() @HotSpotIntrinsicCandidate()
-
final
def
notifyAll(): Unit
- Definition Classes
- AnyRef
- Annotations
- @native() @HotSpotIntrinsicCandidate()
-
final
def
onTermination(stopBuilder: FSMStopBuilder[S, D]): Unit
Set handler which is called upon termination of this FSM actor.
Set handler which is called upon termination of this FSM actor. Calling this method again will overwrite the previous contents.
-
final
def
onTermination(terminationHandler: PartialFunction[StopEvent, Unit]): Unit
Set handler which is called upon termination of this FSM actor.
Set handler which is called upon termination of this FSM actor. Calling this method again will overwrite the previous contents.
- Definition Classes
- PersistentFSMBase
-
final
def
onTransition(transitionHandler: UnitApply2[S, S]): Unit
Add a handler which is called upon each state transition, i.e.
Add a handler which is called upon each state transition, i.e. not when staying in the same state.
Multiple handlers may be installed, and every one of them will be called, not only the first one matching.
-
final
def
onTransition(transitionHandlerBuilder: FSMTransitionHandlerBuilder[S]): Unit
Add a handler which is called upon each state transition, i.e.
Add a handler which is called upon each state transition, i.e. not when staying in the same state.
Multiple handlers may be installed, and every one of them will be called, not only the first one matching.
-
final
def
onTransition(transitionHandler: TransitionHandler): Unit
Set handler which is called upon each state transition, i.e.
Set handler which is called upon each state transition, i.e. not when staying in the same state. This may use the pair extractor defined in the FSM companion object like so:
onTransition { case Old -> New => doSomething }It is also possible to supply a 2-ary function object:
onTransition(handler _) private def handler(from: S, to: S) { ... }The underscore is unfortunately necessary to enable the nicer syntax shown above (it uses the implicit conversion total2pf under the hood).
Multiple handlers may be installed, and every one of them will be called, not only the first one matching.
- Definition Classes
- PersistentFSMBase
-
def
postRestart(reason: Throwable): Unit
- Definition Classes
- Actor
- Annotations
- @throws( classOf[java.lang.Exception] )
-
def
postStop(): Unit
Call
onTerminationhook; if you want to retain this behavior when overriding make sure to callsuper.postStop().Call
onTerminationhook; if you want to retain this behavior when overriding make sure to callsuper.postStop().Please note that this method is called by default from
preRestart(), so override that one ifonTerminationshall not be called during restart.- Definition Classes
- PersistentFSMBase → Actor
- Annotations
- @throws( classOf[Exception] )
-
def
preRestart(reason: Throwable, message: Option[Any]): Unit
- Definition Classes
- Actor
- Annotations
- @throws( classOf[java.lang.Exception] )
-
def
preStart(): Unit
- Definition Classes
- Actor
- Annotations
- @throws( classOf[java.lang.Exception] )
-
def
receive: Receive
- Definition Classes
- PersistentFSMBase → Actor
-
implicit final
val
self: ActorRef
- Definition Classes
- Actor
-
final
def
sender(): ActorRef
- Definition Classes
- Actor
-
final
def
setStateTimeout(state: S, timeout: Timeout): Unit
Set state timeout explicitly.
Set state timeout explicitly. This method can safely be used from within a state handler.
- Definition Classes
- PersistentFSMBase
-
def
startSingleTimer(name: String, msg: Any, delay: Duration): Unit
Start a timer that will send
msgonce to theselfactor after the givendelay.Start a timer that will send
msgonce to theselfactor after the givendelay.Each timer has a
nameand if a new timer with samenameis started the previous is cancelled. It is guaranteed that a message from the previous timer is not received, even if it was already enqueued in the mailbox when the new timer was started. -
def
startSingleTimer(name: String, msg: Any, delay: FiniteDuration): Unit
Start a timer that will send
msgonce to theselfactor after the givendelay.Start a timer that will send
msgonce to theselfactor after the givendelay.Each timer has a
nameand if a new timer with samenameis started the previous is cancelled. It is guaranteed that a message from the previous timer is not received, even if it was already enqueued in the mailbox when the new timer was started.- Definition Classes
- PersistentFSMBase
-
def
startTimerAtFixedRate(name: String, msg: Any, interval: Duration): Unit
Schedules a message to be sent repeatedly to the
selfactor with a given frequency.Schedules a message to be sent repeatedly to the
selfactor with a given frequency.It will compensate the delay for a subsequent message if the sending of previous message was delayed more than specified. In such cases, the actual message interval will differ from the interval passed to the method.
If the execution is delayed longer than the
interval, the subsequent message will be sent immediately after the prior one. This also has the consequence that after long garbage collection pauses or other reasons when the JVM was suspended all "missed" messages will be sent when the process wakes up again.In the long run, the frequency of messages will be exactly the reciprocal of the specified
interval.Warning:
startTimerAtFixedRatecan result in bursts of scheduled messages after long garbage collection pauses, which may in worst case cause undesired load on the system. ThereforestartTimerWithFixedDelayis often preferred.Each timer has a
nameand if a new timer with samenameis started the previous is cancelled. It is guaranteed that a message from the previous timer is not received, even if it was already enqueued in the mailbox when the new timer was started. -
def
startTimerAtFixedRate(name: String, msg: Any, interval: FiniteDuration): Unit
Schedules a message to be sent repeatedly to the
selfactor with a given frequency.Schedules a message to be sent repeatedly to the
selfactor with a given frequency.It will compensate the delay for a subsequent message if the sending of previous message was delayed more than specified. In such cases, the actual message interval will differ from the interval passed to the method.
If the execution is delayed longer than the
interval, the subsequent message will be sent immediately after the prior one. This also has the consequence that after long garbage collection pauses or other reasons when the JVM was suspended all "missed" messages will be sent when the process wakes up again.In the long run, the frequency of messages will be exactly the reciprocal of the specified
interval.Warning:
startTimerAtFixedRatecan result in bursts of scheduled messages after long garbage collection pauses, which may in worst case cause undesired load on the system. ThereforestartTimerWithFixedDelayis often preferred.Each timer has a
nameand if a new timer with samenameis started the previous is cancelled. It is guaranteed that a message from the previous timer is not received, even if it was already enqueued in the mailbox when the new timer was started.- Definition Classes
- PersistentFSMBase
-
def
startTimerWithFixedDelay(name: String, msg: Any, delay: Duration): Unit
Schedules a message to be sent repeatedly to the
selfactor with a fixeddelaybetween messages.Schedules a message to be sent repeatedly to the
selfactor with a fixeddelaybetween messages.It will not compensate the delay between messages if scheduling is delayed longer than specified for some reason. The delay between sending of subsequent messages will always be (at least) the given
delay.In the long run, the frequency of messages will generally be slightly lower than the reciprocal of the specified
delay.Each timer has a
nameand if a new timer with samenameis started the previous is cancelled. It is guaranteed that a message from the previous timer is not received, even if it was already enqueued in the mailbox when the new timer was started. -
def
startTimerWithFixedDelay(name: String, msg: Any, delay: FiniteDuration): Unit
Schedules a message to be sent repeatedly to the
selfactor with a fixeddelaybetween messages.Schedules a message to be sent repeatedly to the
selfactor with a fixeddelaybetween messages.It will not compensate the delay between messages if scheduling is delayed longer than specified for some reason. The delay between sending of subsequent messages will always be (at least) the given
delay.In the long run, the frequency of messages will generally be slightly lower than the reciprocal of the specified
delay.Each timer has a
nameand if a new timer with samenameis started the previous is cancelled. It is guaranteed that a message from the previous timer is not received, even if it was already enqueued in the mailbox when the new timer was started.- Definition Classes
- PersistentFSMBase
-
final
def
startWith(stateName: S, stateData: D, timeout: FiniteDuration): Unit
Set initial state.
Set initial state. Call this method from the constructor before the #initialize method. If different state is needed after a restart this method, followed by #initialize, can be used in the actor life cycle hooks pekko.actor.Actor#preStart and pekko.actor.Actor#postRestart.
- stateName
initial state designator
- stateData
initial state data
- timeout
state timeout for the initial state, overriding the default timeout for that state
-
final
def
startWith(stateName: S, stateData: D): Unit
Set initial state.
Set initial state. Call this method from the constructor before the #initialize method. If different state is needed after a restart this method, followed by #initialize, can be used in the actor life cycle hooks pekko.actor.Actor#preStart and pekko.actor.Actor#postRestart.
- stateName
initial state designator
- stateData
initial state data
-
final
def
startWith(stateName: S, stateData: D, timeout: Timeout = None): Unit
Set initial state.
Set initial state. Call this method from the constructor before the #initialize method. If different state is needed after a restart this method, followed by #initialize, can be used in the actor life cycle hooks pekko.actor.Actor#preStart and pekko.actor.Actor#postRestart.
- stateName
initial state designator
- stateData
initial state data
- timeout
state timeout for the initial state, overriding the default timeout for that state
- Definition Classes
- PersistentFSMBase
-
final
def
stateData: D
Return current state data (i.e.
Return current state data (i.e. object of type D)
- Definition Classes
- PersistentFSMBase
-
final
def
stateName: S
Return current state name (i.e.
Return current state name (i.e. object of type S)
- Definition Classes
- PersistentFSMBase
-
final
def
stay(): State
Produce "empty" transition descriptor.
Produce "empty" transition descriptor. Return this from a state function when no state change is to be effected.
No transition event will be triggered by #stay. If you want to trigger an event like
S -> SforonTransitionto handle usegotoinstead.- returns
descriptor for staying in current state
- Definition Classes
- PersistentFSMBase
-
final
def
stop(reason: Reason, stateData: D): State
Produce change descriptor to stop this FSM actor including specified reason.
Produce change descriptor to stop this FSM actor including specified reason.
- Definition Classes
- PersistentFSMBase
-
final
def
stop(reason: Reason): State
Produce change descriptor to stop this FSM actor including specified reason.
Produce change descriptor to stop this FSM actor including specified reason.
- Definition Classes
- PersistentFSMBase
-
final
def
stop(): State
Produce change descriptor to stop this FSM actor with reason "Normal".
Produce change descriptor to stop this FSM actor with reason "Normal".
- Definition Classes
- PersistentFSMBase
-
def
supervisorStrategy: SupervisorStrategy
- Definition Classes
- Actor
-
final
def
synchronized[T0](arg0: ⇒ T0): T0
- Definition Classes
- AnyRef
-
def
toString(): String
- Definition Classes
- AnyRef → Any
-
implicit final
def
total2pf(transitionHandler: (S, S) ⇒ Unit): TransitionHandler
Convenience wrapper for using a total function instead of a partial function literal.
Convenience wrapper for using a total function instead of a partial function literal. To be used with onTransition.
- Definition Classes
- PersistentFSMBase
-
final
def
transform(func: StateFunction): TransformHelper
- Definition Classes
- PersistentFSMBase
-
def
unhandled(message: Any): Unit
- Definition Classes
- Actor
-
final
def
wait(arg0: Long, arg1: Int): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
final
def
wait(arg0: Long): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... ) @native()
-
final
def
wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
final
def
when(stateName: S, stateTimeout: FiniteDuration, stateFunctionBuilder: FSMStateFunctionBuilder[S, D, E]): Unit
Insert a new StateFunction at the end of the processing chain for the given state.
Insert a new StateFunction at the end of the processing chain for the given state. If the stateTimeout parameter is set, entering this state without a differing explicit timeout setting will trigger a StateTimeout event; the same is true when using #stay.
- stateName
designator for the state
- stateTimeout
default state timeout for this state
- stateFunctionBuilder
partial function builder describing response to input
-
final
def
when(stateName: S, stateFunctionBuilder: FSMStateFunctionBuilder[S, D, E]): Unit
Insert a new StateFunction at the end of the processing chain for the given state.
Insert a new StateFunction at the end of the processing chain for the given state.
- stateName
designator for the state
- stateFunctionBuilder
partial function builder describing response to input
-
final
def
when(stateName: S)(stateFunction: StateFunction): Unit
Insert a new StateFunction at the end of the processing chain for the given state.
Insert a new StateFunction at the end of the processing chain for the given state.
- stateName
designator for the state
- stateFunction
partial function describing response to input
-
final
def
when(stateName: S, stateTimeout: FiniteDuration = null)(stateFunction: StateFunction): Unit
Insert a new StateFunction at the end of the processing chain for the given state.
Insert a new StateFunction at the end of the processing chain for the given state. If the stateTimeout parameter is set, entering this state without a differing explicit timeout setting will trigger a StateTimeout event; the same is true when using #stay.
- stateName
designator for the state
- stateTimeout
default state timeout for this state
- stateFunction
partial function describing response to input
- Definition Classes
- PersistentFSMBase
-
final
def
whenUnhandled(stateFunctionBuilder: FSMStateFunctionBuilder[S, D, E]): Unit
Set handler which is called upon reception of unhandled messages.
Set handler which is called upon reception of unhandled messages. Calling this method again will overwrite the previous contents.
The current state may be queried using
.stateName -
final
def
whenUnhandled(stateFunction: StateFunction): Unit
Set handler which is called upon reception of unhandled messages.
Set handler which is called upon reception of unhandled messages. Calling this method again will overwrite the previous contents.
The current state may be queried using
.stateName- Definition Classes
- PersistentFSMBase
-
def
→[B](y: B): (AbstractPersistentFSMBase[S, D, E], B)
- Implicit
- This member is added by an implicit conversion from AbstractPersistentFSMBase[S, D, E] to ArrowAssoc[AbstractPersistentFSMBase[S, D, E]] performed by method ArrowAssoc in scala.Predef.
- Definition Classes
- ArrowAssoc
Shadowed Implicit Value Members
-
def
->[B](y: B): (AbstractPersistentFSMBase[S, D, E], B)
- Implicit
- This member is added by an implicit conversion from AbstractPersistentFSMBase[S, D, E] to ArrowAssoc[AbstractPersistentFSMBase[S, D, E]] performed by method ArrowAssoc in scala.Predef.
- Shadowing
- This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:(abstractPersistentFSMBase: ArrowAssoc[AbstractPersistentFSMBase[S, D, E]]).->(y)
- Definition Classes
- ArrowAssoc
- Annotations
- @inline()
Deprecated Value Members
-
def
finalize(): Unit
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws( classOf[java.lang.Throwable] ) @Deprecated
- Deprecated
-
def
formatted(fmtstr: String): String
- Implicit
- This member is added by an implicit conversion from AbstractPersistentFSMBase[S, D, E] to StringFormat[AbstractPersistentFSMBase[S, D, E]] performed by method StringFormat in scala.Predef.
- Definition Classes
- StringFormat
- Annotations
- @deprecated @inline()
- Deprecated
(Since version 2.12.16) Use
formatString.format(value)instead ofvalue.formatted(formatString), or use thef""string interpolator. In Java 15 and later,formattedresolves to the new method in String which has reversed parameters.
-
final
def
setTimer(name: String, msg: Any, timeout: FiniteDuration): Unit
Schedule named timer to deliver message after given delay, possibly repeating.
Schedule named timer to deliver message after given delay, possibly repeating. Any existing timer with the same name will automatically be canceled before adding the new timer.
- name
identifier to be used with cancelTimer()
- msg
message to be delivered
- timeout
delay of first message delivery and between subsequent messages
- Annotations
- @deprecated
- Deprecated
(Since version Akka 2.6.0) Use startSingleTimer instead.
-
final
def
setTimer(name: String, msg: Any, timeout: FiniteDuration, repeat: Boolean = false): Unit
Schedule named timer to deliver message after given delay, possibly repeating.
Schedule named timer to deliver message after given delay, possibly repeating. Any existing timer with the same name will automatically be canceled before adding the new timer.
- name
identifier to be used with cancelTimer()
- msg
message to be delivered
- timeout
delay of first message delivery and between subsequent messages
- repeat
send once if false, scheduleAtFixedRate if true
- Definition Classes
- PersistentFSMBase
- Annotations
- @deprecated
- Deprecated
(Since version Akka 2.6.0)