Package org.reldb.toolbox.events

Class EventHandler<Event>

java.lang.Object

org.reldb.toolbox.events.EventHandler<Event>

Type Parameters:

Event - The event type.

public class EventHandler<Event>
extends Object

A generic event handler. Typically, declared in the event-generating class like the following:

public final EventHandler<MyEvent> myEvent = new EventHandler<>();

To distribute a message to listeners:

myEvent.distribute(new MyEvent());

To add a listener:

myEvent.addListener(event -> { do something here });

Constructor Summary

Constructors

Constructor	Description
EventHandler()

Method Summary

Modifier and Type	Method	Description
void	addListener(EventListener<Event> listener)	Add a listener.
void	distribute(Event event)	Distribute an event to all listeners.
void	removeListener(EventListener<Event> listener)	Remove a listener.

Methods inherited from class java.lang.Object

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

Constructor Details

EventHandler

public EventHandler()

Method Details

addListener

public void addListener(EventListener<Event> listener)

Add a listener.

Parameters:

listener - The listener to add.

removeListener

public void removeListener(EventListener<Event> listener)

Remove a listener.

Parameters:

listener - The listener to remove.

distribute

public void distribute(Event event)

Distribute an event to all listeners.

Parameters:

event - The event to send to all listeners.