de.alpharogroup.design.pattern.observer.chat.listener

Class MessageSubject<T>

java.lang.Object

de.alpharogroup.design.pattern.observer.chat.listener.MessageSubject<T>

Type Parameters:

T - the generic type

All Implemented Interfaces:

MessageSource<T>

public class MessageSubject<T>
extends Object
implements MessageSource<T>

The class MessageSubject.

Constructor Summary

Constructors

Constructor and Description
MessageSubject() Instantiates a new message subject.
MessageSubject(T source) Instantiates a new message subject.

Method Summary

Modifier and Type	Method and Description
void	add(MessageListener<T> messageListener) Adds the given messageListeners to the existing messageListeners list.
void	addAll(Collection<MessageListener<T>> messageListeners) Adds the all given messageListener to the existing messageListeners list.
void	fireMessage(T source) Fire the given message.
void	remove(MessageListener<T> messageListener) Removes the given MessageListener object from the existing messageListeners list.
void	removeAll(Collection<MessageListener<T>> messageListeners) Removes the all given MessageListener objects from the messageListeners list.

Methods inherited from class java.lang.Object

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

Constructor Detail

MessageSubject

public MessageSubject()

Instantiates a new message subject.

MessageSubject

public MessageSubject(T source)

Instantiates a new message subject.

Parameters:

source - the source

Method Detail

add

public void add(MessageListener<T> messageListener)

Adds the given messageListeners to the existing messageListeners list.

Specified by:

add in interface MessageSource<T>

Parameters:

messageListener - the MessageListener object

addAll

public void addAll(Collection<MessageListener<T>> messageListeners)

Adds the all given messageListener to the existing messageListeners list.

Specified by:

addAll in interface MessageSource<T>

Parameters:

messageListeners - the MessageListener objects

fireMessage

public void fireMessage(T source)

Fire the given message.

Specified by:

fireMessage in interface MessageSource<T>

Parameters:

source - the message source

remove

public void remove(MessageListener<T> messageListener)

Removes the given MessageListener object from the existing messageListeners list.

Specified by:

remove in interface MessageSource<T>

Parameters:

messageListener - the MessageListener object

removeAll

public void removeAll(Collection<MessageListener<T>> messageListeners)

Removes the all given MessageListener objects from the messageListeners list.

Specified by:

removeAll in interface MessageSource<T>

Parameters:

messageListeners - the MessageListener objects