Package org.apache.pekko.japi.pf

Class FSMStateFunctionBuilder<S,D>

java.lang.Object

org.apache.pekko.japi.pf.FSMStateFunctionBuilder<S,D>

Type Parameters:

S - the state type

D - the data type

public class FSMStateFunctionBuilder<S,D>
extends Object

Builder used to create a partial function for FSM.whenUnhandled(scala.PartialFunction<org.apache.pekko.actor.FSM.Event<D>, org.apache.pekko.actor.FSM.State<S, D>>).

Constructor Summary

Constructors

Constructor	Description
FSMStateFunctionBuilder()

Method Summary

Modifier and Type	Method	Description
FSMStateFunctionBuilder<S,D>	anyEvent(Function2<Object,D,FSM.State<S,D>> apply)	Add a case statement that matches on any type of event.
scala.PartialFunction<FSM.Event<D>,FSM.State<S,D>>	build()	Build a PartialFunction from this builder.
<P, Q> FSMStateFunctionBuilder<S,D>	event(Class<P> eventType, Class<Q> dataType, Function2<P,Q,FSM.State<S,D>> apply)	Add a case statement that matches on an event and data type.
final <P, Q> FSMStateFunctionBuilder<S,D>	event(Class<P> eventType, Class<Q> dataType, Predicate2<P,Q> predicate, Function2<P,Q,FSM.State<S,D>> apply)	Add a case statement that matches on an event and data type and a predicate.
<P> FSMStateFunctionBuilder<S,D>	event(Class<P> eventType, Function2<P,D,FSM.State<S,D>> apply)	Add a case statement that matches if the event type and predicate matches.
<P> FSMStateFunctionBuilder<S,D>	event(Class<P> eventType, Predicate2<P,D> predicate, Function2<P,D,FSM.State<S,D>> apply)	Add a case statement that matches if the event type and predicate matches.
<Q> FSMStateFunctionBuilder<S,D>	event(List<Object> eventMatches, Class<Q> dataType, Function2<Object,Q,FSM.State<S,D>> apply)	Add 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.
FSMStateFunctionBuilder<S,D>	event(List<Object> eventMatches, Function2<Object,D,FSM.State<S,D>> apply)	Add 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.
FSMStateFunctionBuilder<S,D>	event(Predicate2<Object,D> predicate, Function2<Object,D,FSM.State<S,D>> apply)	Add a case statement that matches if the predicate matches.
<P, Q> FSMStateFunctionBuilder<S,D>	eventEquals(P event, Class<Q> dataType, Function2<P,Q,FSM.State<S,D>> apply)	Add a case statement that matches on the data type and if the event compares equal.
<P> FSMStateFunctionBuilder<S,D>	eventEquals(P event, Function2<P,D,FSM.State<S,D>> apply)	Add a case statement that matches if event compares equal.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

FSMStateFunctionBuilder

public FSMStateFunctionBuilder()

Method Details

event

public final <P,
Q> FSMStateFunctionBuilder<S,D> event(Class<P> eventType,
 Class<Q> dataType,
 Predicate2<P,Q> predicate,
 Function2<P,Q,FSM.State<S,D>> apply)

Add a case statement that matches on an event and data type and a predicate.

Type Parameters:

P - the event type to match on

Q - the data type to match on

Parameters:

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

event

public <P,
Q> FSMStateFunctionBuilder<S,D> event(Class<P> eventType,
 Class<Q> dataType,
 Function2<P,Q,FSM.State<S,D>> apply)

Add a case statement that matches on an event and data type.

Type Parameters:

P - the event type to match on

Q - the data type to match on

Parameters:

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

event

public <P> FSMStateFunctionBuilder<S,D> event(Class<P> eventType,
 Predicate2<P,D> predicate,
 Function2<P,D,FSM.State<S,D>> apply)

Add a case statement that matches if the event type and predicate matches.

Parameters:

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

event

public <P> FSMStateFunctionBuilder<S,D> event(Class<P> eventType,
 Function2<P,D,FSM.State<S,D>> apply)

Add a case statement that matches if the event type and predicate matches.

Parameters:

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

event

public FSMStateFunctionBuilder<S,D> event(Predicate2<Object,D> predicate,
 Function2<Object,D,FSM.State<S,D>> apply)

Add a case statement that matches if the predicate matches.

Parameters:

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

event

public <Q> FSMStateFunctionBuilder<S,D> event(List<Object> eventMatches,
 Class<Q> dataType,
 Function2<Object,Q,FSM.State<S,D>> apply)

Add 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.

Type Parameters:

Q - the data type to match on

Parameters:

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

event

public FSMStateFunctionBuilder<S,D> event(List<Object> eventMatches,
 Function2<Object,D,FSM.State<S,D>> apply)

Add 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.

Parameters:

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

eventEquals

public <P,
Q> FSMStateFunctionBuilder<S,D> eventEquals(P event,
 Class<Q> dataType,
 Function2<P,Q,FSM.State<S,D>> apply)

Add a case statement that matches on the data type and if the event compares equal.

Type Parameters:

Q - the data type to match on

Parameters:

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

eventEquals

public <P> FSMStateFunctionBuilder<S,D> eventEquals(P event,
 Function2<P,D,FSM.State<S,D>> apply)

Add a case statement that matches if event compares equal.

Parameters:

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

anyEvent

public FSMStateFunctionBuilder<S,D> anyEvent(Function2<Object,D,FSM.State<S,D>> apply)

Add a case statement that matches on any type of event.

Parameters:

apply - an action to apply to the event and state data

Returns:

the builder with the case statement added

build

public scala.PartialFunction<FSM.Event<D>,FSM.State<S,D>> build()

Build a PartialFunction from this builder. After this call the builder will be reset.

Returns:

a PartialFunction for this builder.