Module technology.sola.engine

Package technology.sola.engine.event

Class EventHub

java.lang.Object

technology.sola.engine.event.EventHub

@NullMarked
public class EventHub
extends Object

EventHub handles distribution of Events that are emitted to their respective EventListeners that have been added.

Constructor Summary

Constructors

Constructor	Description
EventHub()

Method Summary

Modifier and Type	Method	Description
<T extends Event> void	add(Class<T> eventClass, EventListener<T> eventListener)	Adds an EventListener that listens to events of desired type.
<T extends Event> void	emit(T event)	Sends an Event to all EventListeners that have been added for that event type.
<T extends Event> void	off(Class<T> eventClass)	Removes all EventListener for an event type.
<T extends Event> void	remove(Class<T> eventClass, EventListener<T> eventListener)	Removes an EventListener that is listening to events of desired type.

Methods inherited from class java.lang.Object

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

Constructor Details

EventHub

public EventHub()

Method Details

add

public <T extends Event> void add(Class<T> eventClass,
 EventListener<T> eventListener)

Adds an EventListener that listens to events of desired type.

Type Parameters:

T - the type of the event

Parameters:

eventClass - the class of the type of events to listen to

eventListener - the EventListener

remove

public <T extends Event> void remove(Class<T> eventClass,
 EventListener<T> eventListener)

Removes an EventListener that is listening to events of desired type.

Type Parameters:

T - the type of the event

Parameters:

eventClass - the class of the type of events to remove a listener from

eventListener - the EventListener

off

public <T extends Event> void off(Class<T> eventClass)

Removes all EventListener for an event type.

Type Parameters:

T - the type of the event

Parameters:

eventClass - the class of the type of events to remove a listener from

emit

public <T extends Event> void emit(T event)

Sends an Event to all EventListeners that have been added for that event type.

Type Parameters:

T - the type of the event

Parameters:

event - the Event to send