org.apache.commons.net.util

Class ListenerList<T extends EventListener>

java.lang.Object

org.apache.commons.net.util.ListenerList<T>

Type Parameters:

T - the type of elements returned by the iterator

All Implemented Interfaces:

Serializable, Iterable<T>

public class ListenerList<T extends EventListener>
extends Object
implements Serializable, Iterable<T>

A list of event listeners.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ListenerList() Constructs a new instance.

Method Summary

Modifier and Type	Method and Description
void	addListener(T listener) Adds the given listener to the end of this list.
int	getListenerCount() Gets the number of elements in this list.
boolean	isEmpty() Tests whether if this listener list is empty.
Iterator<T>	iterator() Return an Iterator for the EventListener instances.
void	removeListener(T listener) Removes the first occurrence of the specified listener from this list, if it is present.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

ListenerList

public ListenerList()

Constructs a new instance.

Method Detail

addListener

public void addListener(T listener)

Adds the given listener to the end of this list.

Parameters:

listener - A listener.

getListenerCount

public int getListenerCount()

Gets the number of elements in this list.

Returns:

the number of elements in this list

isEmpty

public boolean isEmpty()

Tests whether if this listener list is empty.

Returns:

whether if this listener list is empty.

iterator

public Iterator<T> iterator()

Return an Iterator for the EventListener instances.

Specified by:

iterator in interface Iterable<T extends EventListener>

Returns:

an Iterator for the EventListener instances

removeListener

public void removeListener(T listener)

Removes the first occurrence of the specified listener from this list, if it is present.

Parameters:

listener - listener to be removed from this list, if present.