org.xmlBlaster.engine.admin.extern.snmp
Class ClientTableSubject

java.lang.Object
  org.xmlBlaster.engine.admin.extern.snmp.ClientTableSubject

All Implemented Interfaces:

Subject

public class ClientTableSubject
extends java.lang.Object
implements Subject

ClientTableSubject holds onto client entries. The ClientTableSubject also allows Observers to add and remove themselves. In order to add or remove a client entry notifyObservers() is called.

Version:

@VERSION@

Author:

Udo Thalmann

Field Summary

ClientEntryImplPeer	clientEntryImplPeer
static int	INSERT
java.lang.Integer	nodeIndex
java.lang.String	nodeName
NodeTableObserver	nodeTableObserver
java.util.ArrayList	observers
int	opCode
static int	REMOVE

Constructor Summary

ClientTableSubject(NodeTableObserver nodeTableObserver)
Holds a reference to nodeTableObserver.

Method Summary

void	addEntry(java.lang.String nodeName, ClientEntryImplPeer clientEntryImplPeer) Calls notifyObservers() in order to add a new client entry to client table.
void	addObserver(Observer o) Adds an observer to observer list.
private void	notifyObservers() Calls update method for all observers in observer list.
void	removeEntry(java.lang.String nodeName, ClientEntryImplPeer clientEntryImplPeer) Calls notifyObservers in order to remove a client entry from client table.
void	removeObserver(Observer o) Removes an observer from observer list.

Methods inherited from class java.lang.Object

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

Field Detail

clientEntryImplPeer

public ClientEntryImplPeer clientEntryImplPeer

nodeTableObserver

public NodeTableObserver nodeTableObserver

observers

public java.util.ArrayList observers

nodeIndex

public java.lang.Integer nodeIndex

nodeName

public java.lang.String nodeName

opCode

public int opCode

INSERT

public static final int INSERT

See Also:

Constant Field Values

REMOVE

public static final int REMOVE

See Also:

Constant Field Values

Constructor Detail

ClientTableSubject

public ClientTableSubject(NodeTableObserver nodeTableObserver)

Holds a reference to nodeTableObserver.

Parameters:

NodeTableObserver - provides access to nodeIndex.

Method Detail

addEntry

public void addEntry(java.lang.String nodeName,
                     ClientEntryImplPeer clientEntryImplPeer)

Calls notifyObservers() in order to add a new client entry to client table.

Parameters:

NodeName - identifies node to wich client entry belongs.

ClientEntryImplPeer - the client entry to be added.

removeEntry

public void removeEntry(java.lang.String nodeName,
                        ClientEntryImplPeer clientEntryImplPeer)

Calls notifyObservers in order to remove a client entry from client table.

Parameters:

NodeName - identifies node to wich client entry belongs.

ClientEntryImplPeer - the client entry to be removed.

addObserver

public void addObserver(Observer o)

Adds an observer to observer list.

Specified by:

addObserver in interface Subject

Parameters:

Observer - implements observer update method.

removeObserver

public void removeObserver(Observer o)

Removes an observer from observer list.

Specified by:

removeObserver in interface Subject

Parameters:

Observer - implements observer update method.

notifyObservers

private void notifyObservers()

Calls update method for all observers in observer list.