soc.server
Class SOCChannelList

java.lang.Object
  soc.server.SOCChannelList

public class SOCChannelList

extends java.lang.Object

A class for tracking the chat channels

Author:

Robert S. Thomas

Field Summary

protected java.util.Hashtable	channelMembers
protected java.util.Hashtable	channelMutexes
protected boolean	inUse

Constructor Summary

SOCChannelList()
constructor

Method Summary

void	addMember(Connection conn, java.lang.String chName) add a member to the chat channel
void	createChannel(java.lang.String chName) create a new channel
void	deleteChannel(java.lang.String chName) remove the channel from the list
java.util.Enumeration	getChannels()
java.util.Vector	getMembers(java.lang.String chName)
boolean	isChannel(java.lang.String chName)
boolean	isChannelEmpty(java.lang.String chName)
boolean	isMember(Connection conn, java.lang.String chName)
void	releaseMonitor() release the monitor for this channel list
boolean	releaseMonitorForChannel(java.lang.String channel) release the monitor for this channel
void	removeMember(Connection conn, java.lang.String chName) remove member from the chat channel
void	takeMonitor() take the monitor for this channel list
boolean	takeMonitorForChannel(java.lang.String channel) take the monitor for this channel

Methods inherited from class java.lang.Object

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

Field Detail

channelMutexes

protected java.util.Hashtable channelMutexes

channelMembers

protected java.util.Hashtable channelMembers

inUse

protected boolean inUse

Constructor Detail

SOCChannelList

public SOCChannelList()

constructor

Method Detail

takeMonitor

public void takeMonitor()

take the monitor for this channel list

releaseMonitor

public void releaseMonitor()

release the monitor for this channel list

takeMonitorForChannel

public boolean takeMonitorForChannel(java.lang.String channel)

take the monitor for this channel

Parameters:

channel - the name of the channel

Returns:

false if the channel has no mutex

releaseMonitorForChannel

public boolean releaseMonitorForChannel(java.lang.String channel)

release the monitor for this channel

Parameters:

channel - the name of the channel

Returns:

false if the channel has no mutex

getChannels

public java.util.Enumeration getChannels()

Returns:

an enumeration of channel names

getMembers

public java.util.Vector getMembers(java.lang.String chName)

Parameters:

chName - channel name

Returns:

list of members

isMember

public boolean isMember(Connection conn,
                        java.lang.String chName)

Parameters:

chName - the name of the channel

conn - the member's connection

Returns:

true if memName is a member of the channel

addMember

public void addMember(Connection conn,
                      java.lang.String chName)

add a member to the chat channel

Parameters:

chName - the name of the channel

conn - the member's connection

removeMember

public void removeMember(Connection conn,
                         java.lang.String chName)

remove member from the chat channel

Parameters:

chName - the name of the channel

conn - the member's connection

isChannel

public boolean isChannel(java.lang.String chName)

Parameters:

chName - the name of the channel

Returns:

true if the channel exists

isChannelEmpty

public boolean isChannelEmpty(java.lang.String chName)

Parameters:

chName - the name of the channel

Returns:

true if the channel exists and has an empty member list

createChannel

public void createChannel(java.lang.String chName)

create a new channel

Parameters:

chName - the name of the channel

deleteChannel

public void deleteChannel(java.lang.String chName)

remove the channel from the list

Parameters:

chName - the name of the channel