candy.conf
Class Channel

java.lang.Object
  |
  +--candy.conf.Channel

public class Channel

extends java.lang.Object

Channel object used for sending/receiving Chat, Meeting,
and Whiteboard messages

Author:

Jeremy Mullendore (jeremy@cs.jhu.edu)

Constructor Summary

Channel(net.jini.space.JavaSpace space, java.lang.String ID, net.jini.core.transaction.server.TransactionManager m)
construct channel

Method Summary

void	append(candy.core.packet.ChannelPacket message) append a message onto another Member's Channel
void	create(net.jini.core.transaction.Transaction txn) create the Channel and put in the JavaSpace
candy.core.packet.ChannelPacket	getMessage(net.jini.core.transaction.Transaction txn) get a message on this Channel
java.util.Enumeration	getMessages() get all messages on this Channel
void	killChannel(net.jini.core.transaction.Transaction txn) kill this Channel, removing it from the JavaSpace
int	readTail() read the tail of this Channel

Methods inherited from class java.lang.Object

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

Constructor Detail

Channel

public Channel(net.jini.space.JavaSpace space,
               java.lang.String ID,
               net.jini.core.transaction.server.TransactionManager m)

construct channel

Method Detail

create

public void create(net.jini.core.transaction.Transaction txn)
            throws java.rmi.RemoteException,
                   net.jini.core.transaction.TransactionException

create the Channel and put in the JavaSpace

killChannel

public void killChannel(net.jini.core.transaction.Transaction txn)

kill this Channel, removing it from the JavaSpace

append

public void append(candy.core.packet.ChannelPacket message)

append a message onto another Member's Channel

Parameters:

message - the ChannelPacket to be appended

readTail

public int readTail()

read the tail of this Channel

Returns:

int representing the index of the last entry in this Channel

getMessage

public candy.core.packet.ChannelPacket getMessage(net.jini.core.transaction.Transaction txn)

get a message on this Channel

Returns:

a ChannelPacket containing a new message on this Channel

getMessages

public java.util.Enumeration getMessages()

get all messages on this Channel

Returns:

an Enumeration of the new messages (ChannelPacket)s