de.saxsys.mvvmfx.utils.notifications

Interface NotificationCenter

public interface NotificationCenter

Central component to provide a notification mechanism. You can add observers by using keys to get notifications for it. If you want you can pass an Object[] with a notification.

Author:

sialcasa

Method Summary

Modifier and Type	Method and Description
void	publish(String messageName, Object... payload) Post a notification to all NotificationObserver which are registered with the given String.
void	subscribe(String messageName, NotificationObserver observer) Add an observer to the NotificationCenter which gets notifications for the given String.
void	unsubscribe(NotificationObserver observer) Remove all registrations of an NotificationObserver.
void	unsubscribe(String messageName, NotificationObserver observer) Removes an observer from the NotificationCenter.

Method Detail

subscribe

void subscribe(String messageName,
               NotificationObserver observer)

Add an observer to the NotificationCenter which gets notifications for the given String.

Parameters:

messageName - key of the notification to listen

observer - which listens for the notification

unsubscribe

void unsubscribe(String messageName,
                 NotificationObserver observer)

Removes an observer from the NotificationCenter.

Parameters:

messageName - key of the notification to remove

observer - which listens for the notification

unsubscribe

void unsubscribe(NotificationObserver observer)

Remove all registrations of an NotificationObserver.

Parameters:

observer - for remove all notifications

publish

void publish(String messageName,
             Object... payload)

Post a notification to all NotificationObserver which are registered with the given String. You can additionally add a varying number of Objects as a payload that the observer will receive.

Parameters:

messageName - of the notification which sould be send

payload - which should be passed