candy.server
Class ServerApp

java.lang.Object
  |
  +--candy.server.ServerApp

public class ServerApp

extends java.lang.Object

server application for the system interacts with the javaspace for server-side issues like adding/removing users

Author:

Jeremy Mullendore

Field Summary

Channel	channel Channel upon which atomic items are received
(package private) MembershipEventListener	membershipListener
static java.lang.String	SERVER
(package private) MemberStatusEventListener	statusListener
(package private) WhiteboardEventListener	whiteboardListener

Constructor Summary

ServerApp()

Method Summary

void	addUser(java.lang.String ID, java.lang.String first, java.lang.String last, java.lang.String email) adds a new Member to the system
void	addWBMember(candy.core.packet.WBMemberJoinPacket wbmjp)
void	addWBPacket(candy.core.packet.WBPacket wbp) notified from Listener -- add a WBPrimitivePacket to a WB that is in my wboards table
void	addWBPrimitive(candy.core.packet.WBPrimitivePacket wbpp)
void	addWhiteboard(Whiteboard wb) adds a whiteboard to the list ...
void	createChannel() create the Channel
void	createRegistry(java.util.Vector members) creates the member registry from a Vector of member objects
Channel	getChannel() get the channel
void	killServer() killServer -- attempt a graceful server shutdown
void	killWB(candy.core.packet.WBKillPacket wbkp)
static void	main(java.lang.String[] args)
candyObject	read(candyObject tmpl) reads a packet of the given template from the JavaSpace
void	removeUser(java.lang.String ID) removes a Member from the system
void	removeWBMember(candy.core.packet.WBMemberLeavePacket wbmlp)
void	sendOnChannel(candy.core.packet.ChannelPacket p)
void	sendWBPTD(candy.core.packet.WBRequestPTD wbptd) Locates the WB designated by the WBRequestPTD packet and sends the wb packet list to the requester
void	startReceiving() startReceiving invokes a receiver on a transaction channel
candyObject	take(net.jini.core.entry.Entry tmpl) takes a packet of the given template from the JavaSpace
candyObject	takeIfExists(net.jini.core.entry.Entry tmpl) takes a packet of the given template from the JavaSpace if it Exists
void	write(candyObject p) places Entry into javaspace so as to update other users of some change

Methods inherited from class java.lang.Object

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

Field Detail

SERVER

public static final java.lang.String SERVER

channel

public Channel channel

Channel upon which atomic items are received

membershipListener

MembershipEventListener membershipListener

statusListener

MemberStatusEventListener statusListener

whiteboardListener

WhiteboardEventListener whiteboardListener

Constructor Detail

ServerApp

public ServerApp()

Method Detail

addWBPacket

public void addWBPacket(candy.core.packet.WBPacket wbp)

notified from Listener -- add a WBPrimitivePacket to a WB that is in my wboards table

addWBPrimitive

public void addWBPrimitive(candy.core.packet.WBPrimitivePacket wbpp)

addWBMember

public void addWBMember(candy.core.packet.WBMemberJoinPacket wbmjp)

removeWBMember

public void removeWBMember(candy.core.packet.WBMemberLeavePacket wbmlp)

killWB

public void killWB(candy.core.packet.WBKillPacket wbkp)

createChannel

public void createChannel()

create the Channel

createRegistry

public void createRegistry(java.util.Vector members)

creates the member registry from a Vector of member objects

Parameters:

members - a Vector containing Member objects (system users)

addUser

public void addUser(java.lang.String ID,
                    java.lang.String first,
                    java.lang.String last,
                    java.lang.String email)

adds a new Member to the system

Parameters:

ID - the screen name of the new Member

name - the given name of the new Member

email - the email address of the new Member

addWhiteboard

public void addWhiteboard(Whiteboard wb)

adds a whiteboard to the list ...

killServer

public void killServer()

killServer -- attempt a graceful server shutdown

removeUser

public void removeUser(java.lang.String ID)

removes a Member from the system

Parameters:

ID - the screen name of the member to be removed

getChannel

public Channel getChannel()

get the channel

read

public candyObject read(candyObject tmpl)

reads a packet of the given template from the JavaSpace

Parameters:

tmpl - The template packet

sendOnChannel

public void sendOnChannel(candy.core.packet.ChannelPacket p)

sendWBPTD

public void sendWBPTD(candy.core.packet.WBRequestPTD wbptd)

Locates the WB designated by the WBRequestPTD packet and sends the wb packet list to the requester

startReceiving

public void startReceiving()

startReceiving invokes a receiver on a transaction channel

take

public candyObject take(net.jini.core.entry.Entry tmpl)

takes a packet of the given template from the JavaSpace

Parameters:

tmpl - The template packet

takeIfExists

public candyObject takeIfExists(net.jini.core.entry.Entry tmpl)

takes a packet of the given template from the JavaSpace if it Exists

Parameters:

tmpl - The template packet

write

public void write(candyObject p)

places Entry into javaspace so as to update other users of some change

Parameters:

p - candyObject

main

public static void main(java.lang.String[] args)