de.alpharogroup.design.pattern.observer.event

Class EventSubject<T>

java.lang.Object

de.alpharogroup.design.pattern.observer.event.EventSubject<T>

Type Parameters:

T - the generic type

All Implemented Interfaces:

EventSource<T>

public class EventSubject<T>
extends Object
implements EventSource<T>

The Class EventSubject.

Constructor Summary

Constructors

Constructor and Description
EventSubject() Instantiates a new event subject.
EventSubject(T source) Instantiates a new event subject.

Method Summary

Modifier and Type	Method and Description
void	add(EventListener<T> eventListener) Adds the given event listener to the eventListeners list.
void	addAll(Collection<EventListener<T>> eventListeners) Adds the all given event listeners to the eventListeners list.
void	fireEvent(T source) Fire the given event.
void	remove(EventListener<T> eventListener) Removes the given event listener from the eventListeners list.
void	removeAll(Collection<EventListener<T>> eventListeners) Removes the all given event listeners from the eventListeners list.

Methods inherited from class java.lang.Object

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

Constructor Detail

EventSubject

public EventSubject()

Instantiates a new event subject.

EventSubject

public EventSubject(T source)

Instantiates a new event subject.

Parameters:

source - the source

Method Detail

add

public void add(EventListener<T> eventListener)

Adds the given event listener to the eventListeners list.

Specified by:

add in interface EventSource<T>

Parameters:

eventListener - the event listener

addAll

public void addAll(Collection<EventListener<T>> eventListeners)

Adds the all given event listeners to the eventListeners list.

Specified by:

addAll in interface EventSource<T>

Parameters:

eventListeners - the event listeners

fireEvent

public void fireEvent(T source)

Fire the given event.

Specified by:

fireEvent in interface EventSource<T>

Parameters:

source - the source

remove

public void remove(EventListener<T> eventListener)

Removes the given event listener from the eventListeners list.

Specified by:

remove in interface EventSource<T>

Parameters:

eventListener - the event listener

removeAll

public void removeAll(Collection<EventListener<T>> eventListeners)

Removes the all given event listeners from the eventListeners list.

Specified by:

removeAll in interface EventSource<T>

Parameters:

eventListeners - the event listeners