candy.server
Class MemberRegistry

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

public class MemberRegistry

extends java.lang.Object

Data structure used to keep list of team members and their status

Author:

Jeremy Mullendore

Field Summary

java.util.Vector	masterTable The masterTable stores all the MemRegObject's registered on the system.
MemberTable	mTable The mTable stores member who are currently logged onto the system.
ServerApp	myserver A reference to the ServerApp who owns me; so that I can read/write to and from the JavaSpace

Constructor Summary

MemberRegistry(ServerApp server)
empty constructor for this object

Method Summary

java.lang.String	addUser(Member m) adds new member to registry
java.lang.String	addUser(Member m, byte[] passwd)
boolean	checkUser(java.lang.String ID, byte[] password) checks if member is in registry
Member	getMemberObject(java.lang.String ID)
candy.core.packet.MemberStatusResponsePacket	login(candy.core.packet.LoginPacket lgn) Handle a login procedure.
candy.core.packet.MemberStatusResponsePacket	logout(candy.core.packet.LogoutPacket lgt)
void	notifyAdd(Member mem) Adds the Member object to the Member table and then writes the MemberTable into the space
void	notifyRem(Member mem) Removess the Member object from the MemberTable and then writes the MemberTable into the space
java.lang.String	removeUser(java.lang.String ID) removes member from registry

Methods inherited from class java.lang.Object

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

Field Detail

myserver

public ServerApp myserver

A reference to the ServerApp who owns me; so that I can read/write to and from the JavaSpace

masterTable

public java.util.Vector masterTable

The masterTable stores all the MemRegObject's registered on the system.

mTable

public MemberTable mTable

The mTable stores member who are currently logged onto the system. The mTable is used to notify all client's of all member's currently logged onto the system

Constructor Detail

MemberRegistry

public MemberRegistry(ServerApp server)

empty constructor for this object

Method Detail

checkUser

public boolean checkUser(java.lang.String ID,
                         byte[] password)

checks if member is in registry

Parameters:

ID - (String)identification of member

getMemberObject

public Member getMemberObject(java.lang.String ID)

login

public candy.core.packet.MemberStatusResponsePacket login(candy.core.packet.LoginPacket lgn)

Handle a login procedure. Here, we are given a LoginPacket. We check its contents against those in the MemberRegistry If it is a proper login, we add the member object to mTable and insert the newly updated mTable into the JavaSpace And we return the proper result.

Parameters:

lgn - LoginPacket containing the information for the login

logout

public candy.core.packet.MemberStatusResponsePacket logout(candy.core.packet.LogoutPacket lgt)

notifyAdd

public void notifyAdd(Member mem)

Adds the Member object to the Member table and then writes the MemberTable into the space

Parameters:

mem - the Member object of the member that has just logged on

notifyRem

public void notifyRem(Member mem)

Removess the Member object from the MemberTable and then writes the MemberTable into the space

Parameters:

mem - the Member object of the member that has just logged on

addUser

public java.lang.String addUser(Member m)

adds new member to registry

Parameters:

m - new Member to be added

addUser

public java.lang.String addUser(Member m,
                                byte[] passwd)

removeUser

public java.lang.String removeUser(java.lang.String ID)

removes member from registry

Parameters:

ID - screen name of Member to be removed