com.ireasoning.protocol
Class ListenerManager

java.lang.Object
  com.ireasoning.protocol.ListenerManager

Direct Known Subclasses:

Session, SnmpPoller

public class ListenerManager

extends Object

This class provides functionalities to manage Listener pool, including methods such as add/remove/notify listeners.

Field Summary

protected Listener[]

_listeners Array of registered Listener objects.

Constructor Summary

ListenerManager()

Method Summary

void	addListener(Listener listener) This method allows the registration of event listeners.
protected boolean	listenerExists() Checks if there's any listener registered
void	notifyListeners(Msg msg) Notifys all listeners on just recieved message
void	notifyListeners(Msg[] msg) Notifys all listeners on just recieved message
void	removeListener(Listener listener) This method allows the removal of event listeners from the event target.

Methods inherited from class java.lang.Object

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

Field Detail

_listeners

protected Listener[] _listeners

Array of registered Listener objects.

Constructor Detail

ListenerManager

public ListenerManager()

Method Detail

addListener

public void addListener(Listener listener)

This method allows the registration of event listeners. Listener.handleMsg(Session session, Msg msg) will get called if Session recieves message.

Parameters:

listener - an object which implements Listener interface. If passed listener already exists, it will not be added.

See Also:

Listener.handleMsg(java.lang.Object, com.ireasoning.protocol.Msg)

removeListener

public void removeListener(Listener listener)

This method allows the removal of event listeners from the event target. If an EventListener is removed from an EventTarget while it is processing an event, it will not be triggered by the current actions.

Parameters:

listener - an object which implements Listener interface

listenerExists

protected boolean listenerExists()

Checks if there's any listener registered

Returns:

true if there's at least one listener registered

notifyListeners

public void notifyListeners(Msg msg)

Notifys all listeners on just recieved message

Parameters:

msg - the message object to notify

notifyListeners

public void notifyListeners(Msg[] msg)

Notifys all listeners on just recieved message

Parameters:

msg - the message object to notify