Package org.apache.pekko.persistence.typed.javadsl

Class SignalHandlerBuilder<State>

java.lang.Object

org.apache.pekko.persistence.typed.javadsl.SignalHandlerBuilder<State>

public final class SignalHandlerBuilder<State>
extends Object

Mutable builder for handling signals in EventSourcedBehavior

Not for user instantiation, use EventSourcedBehavior.newSignalHandlerBuilder to get an instance.

Constructor Summary

Constructors

Constructor	Description
SignalHandlerBuilder()

Method Summary

Modifier and Type	Method	Description
SignalHandler<State>	build()
static <State> SignalHandlerBuilder<State>	builder()
<T extends Signal> SignalHandlerBuilder<State>	onSignal(Class<T> signalType, BiConsumer<State,T> callback)	If the behavior receives a signal of type T, callback is invoked with the signal instance as input.
<T extends Signal> SignalHandlerBuilder<State>	onSignal(T signal, Consumer<State> callback)	If the behavior receives exactly the signal signal, callback is invoked.

Methods inherited from class java.lang.Object

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

Constructor Details

SignalHandlerBuilder

public SignalHandlerBuilder()

Method Details

builder

public static <State> SignalHandlerBuilder<State> builder()

onSignal

public <T extends Signal>
SignalHandlerBuilder<State> onSignal(Class<T> signalType,
 BiConsumer<State,T> callback)

If the behavior receives a signal of type T, callback is invoked with the signal instance as input.

onSignal

public <T extends Signal>
SignalHandlerBuilder<State> onSignal(T signal,
 Consumer<State> callback)

If the behavior receives exactly the signal signal, callback is invoked.

build

public SignalHandler<State> build()