etri.sdn.controller.util

Class ListenerDispatcher<U,T extends IListener<U>>

java.lang.Object

etri.sdn.controller.util.ListenerDispatcher<U,T>

public class ListenerDispatcher<U,T extends IListener<U>>
extends java.lang.Object

Maintain lists of listeners ordered by dependency.

Author:

readams

Field Summary

Fields

Modifier and Type	Field and Description
(package private) java.util.List<T>	listeners

Constructor Summary

Constructors

Constructor and Description
ListenerDispatcher()

Method Summary

Methods

Modifier and Type	Method and Description
void	addListener(U type, T listener) Add a listener to the list of listeners
void	clearListeners() Clear all listeners
java.util.List<T>	getOrderedListeners() Get the ordered list of listeners ordered by dependencies
private boolean	ispre(U type, T l1, T l2)
void	removeListener(T listener) Remove the given listener
private void	visit(java.util.List<T> newlisteners, U type, java.util.HashSet<T> visited, java.util.List<T> ordering, T listener)

Methods inherited from class java.lang.Object

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

Field Detail

listeners

java.util.List<T extends IListener<U>> listeners

Constructor Detail

ListenerDispatcher

public ListenerDispatcher()

Method Detail

visit

private void visit(java.util.List<T> newlisteners,
         U type,
         java.util.HashSet<T> visited,
         java.util.List<T> ordering,
         T listener)

ispre

private boolean ispre(U type,
            T l1,
            T l2)

addListener

public void addListener(U type,
               T listener)

Add a listener to the list of listeners

Parameters:

listener -

removeListener

public void removeListener(T listener)

Remove the given listener

Parameters:

listener - the listener to remove

clearListeners

public void clearListeners()

Clear all listeners

getOrderedListeners

public java.util.List<T> getOrderedListeners()

Get the ordered list of listeners ordered by dependencies

Returns: