com.cookingfox.lapasse.api.event.handler

Interface EventHandler<S extends State,E extends Event>

Type Parameters:

S - The concrete type of the state object.

E - The concrete event type that this handler will handle.

All Superinterfaces:

MessageHandler<E>

public interface EventHandler<S extends State,E extends Event>
extends MessageHandler<E>

Interface for an event handler.

Method Summary

Modifier and Type	Method and Description
S	handle(S previousState, E event) Returns the previous state or creates a new state object by applying the event to the previous state.

Method Detail

handle

S handle(S previousState,
         E event)

Returns the previous state or creates a new state object by applying the event to the previous state.

Parameters:

event - The event to apply.

previousState - The previous state.

Returns:

The previous state, or a new state with the event applied.