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

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

All Implemented Interfaces:

Subject

public class SessionTableSubject
extends java.lang.Object
implements Subject

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

Version:

@VERSION@

Author:

Udo Thalmann

Field Summary

java.lang.Integer	clientIndex
java.lang.String	clientName
ClientTableObserver	clientTableObserver
static int	INSERT
java.lang.Integer	nodeIndex
java.lang.String	nodeName
NodeTableObserver	nodeTableObserver
java.util.ArrayList	observers
int	opCode
static int	REMOVE
SessionEntryImplPeer	sessionEntryImplPeer

Constructor Summary

SessionTableSubject(NodeTableObserver nodeTableObserver, ClientTableObserver clientTableObserver)
Holds a reference to nodeTableObserver and clientTableObserver.

Method Summary

void	addEntry(java.lang.String nodeName, java.lang.String clientName, SessionEntryImplPeer sessionEntryImplPeer) Calls notifyObservers() in order to add a new session entry to session 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, java.lang.String clientName, SessionEntryImplPeer sessionEntryImplPeer) Calls notifyObservers() in order to remove a session entry from session 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

sessionEntryImplPeer

public SessionEntryImplPeer sessionEntryImplPeer

nodeTableObserver

public NodeTableObserver nodeTableObserver

clientTableObserver

public ClientTableObserver clientTableObserver

observers

public java.util.ArrayList observers

nodeIndex

public java.lang.Integer nodeIndex

clientIndex

public java.lang.Integer clientIndex

nodeName

public java.lang.String nodeName

clientName

public java.lang.String clientName

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

SessionTableSubject

public SessionTableSubject(NodeTableObserver nodeTableObserver,
                           ClientTableObserver clientTableObserver)

Holds a reference to nodeTableObserver and clientTableObserver.

Parameters:

NodeTableObserver - provides access to nodeIndex.

ClientTableObserver - provides access to clientIndex.

Method Detail

addEntry

public void addEntry(java.lang.String nodeName,
                     java.lang.String clientName,
                     SessionEntryImplPeer sessionEntryImplPeer)

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

Parameters:

NodeName - node to wich client entry belongs.

ClientName - client to wich session entry belongs.

SessionEntryImplPeer - session entry to be added.

removeEntry

public void removeEntry(java.lang.String nodeName,
                        java.lang.String clientName,
                        SessionEntryImplPeer sessionEntryImplPeer)

Calls notifyObservers() in order to remove a session entry from session table.

Parameters:

NodeName - node to wich client entry belongs.

ClientName - client to wich session entry belongs.

SessionEntryImplPeer - session 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.