akka.persistence.multidc.javadsl

Class EventHandlerBuilder<Event,State>

java.lang.Object

akka.persistence.multidc.javadsl.EventHandlerBuilder<Event,State>

public final class EventHandlerBuilder<Event,State>
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
EventHandlerBuilder(java.lang.Class<Event> rootEventClass)

Method Summary

Modifier and Type	Method and Description
EventHandler<Event,State>	build() Builds and returns a handler from the appended states.
EventHandler<Event,State>	matchAny(java.util.function.BiFunction<State,Event,State> biFunction) Match any event
<E extends Event> EventHandlerBuilder<Event,State>	matchEvent(java.lang.Class<E> eventClass, java.util.function.BiFunction<State,E,State> biFunction) Match any event which is an instance of E or a subtype of E

Methods inherited from class java.lang.Object

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

Constructor Detail

EventHandlerBuilder

public EventHandlerBuilder(java.lang.Class<Event> rootEventClass)

Method Detail

build

public EventHandler<Event,State> build()

Builds and returns a handler from the appended states. The returned EventHandler will throw a MatchError if applied to an event that has no defined case.

The builder is reset to empty after build has been called.

Returns:

(undocumented)

matchAny

public EventHandler<Event,State> matchAny(java.util.function.BiFunction<State,Event,State> biFunction)

Match any event

Builds and returns the handler since this will not let through any states to subsequent match statements

Parameters:

biFunction - (undocumented)

Returns:

(undocumented)

matchEvent

public <E extends Event> EventHandlerBuilder<Event,State> matchEvent(java.lang.Class<E> eventClass,
                                                                     java.util.function.BiFunction<State,E,State> biFunction)

Match any event which is an instance of E or a subtype of E

Throws java.lang.IllegalArgumentException if eventClass is not a subtype of the root Event this builder was created with

Parameters:

eventClass - (undocumented)

biFunction - (undocumented)

Returns:

(undocumented)