Package dev.comfast.events

Interface SubscriberManager<T>

Type Parameters:

T - any class that will be passed to events

All Known Implementing Classes:

EventsManager

public interface SubscriberManager<T>

Allows to add/remove subscriber listeners.

Method Summary

Modifier and Type	Method	Description
default String	on(String actionName, Consumer<AfterEvent<T>> listenerHandler)	Utility method that creates listener listening to only one specific action.
void	subscribe(String listenerKey, EventListener<T> listener)	Add new EventListener for given key.
void	unsubscribe(String listenerKey)	Removes Listener identified by its key

Method Details

subscribe

void subscribe(String listenerKey,
 EventListener<T> listener)

Add new EventListener for given key.

Parameters:

listenerKey - identifies given Listener

listener - contain action to do before and after the event

Throws:

InvalidEventConfiguration - If key is already taken or is null or empty

unsubscribe

void unsubscribe(String listenerKey)

Removes Listener identified by its key

Parameters:

listenerKey - identifies given Listener

on

default String on(String actionName,
 Consumer<AfterEvent<T>> listenerHandler)

Utility method that creates listener listening to only one specific action.

It is called after given action. Can be defined inline e.g.

e.g.

 myManager.on("click", e -> { if(e.isFailed()) e.context.takeScreenshot(); });
 myManager.on("getText", e -> log.info("got text: '{}'", e.result));
 

Parameters:

actionName - only after this action listener will be called

listenerHandler - Action to do after call

Returns:

listener key