p2ps.imp.group
Class GroupServiceImp

java.lang.Object
  p2ps.imp.group.GroupServiceImp

All Implemented Interfaces:

EndpointMessageListener, GroupService

public class GroupServiceImp

extends java.lang.Object

implements GroupService, EndpointMessageListener

Implementation of the GroupService interface.

Version:

$Revision: 295 $

Author:

Ian Wang

Constructor Summary

GroupServiceImp(Peer peer)

Method Summary

void	dataMessageReceived(DataMessageEvent event) Called when the endpoint receives a data message
AuthorizationMechanism	getAuthorizationMechanism(java.lang.String type)
java.lang.String[]	getAuthorizationTypes()
GroupAdvertisement	getGroupAdvertisement()
java.lang.String[]	getGroupIDs()
void	init() Initializes the group service
void	joinGroup(GroupAdvertisement groupad, Peer parent) Join the group specified in the advertisement.
void	registerAuthorizationMechanism(java.lang.String authtype, AuthorizationMechanism authmech) Registers an authorization mechanism for the specified authorization type
void	unregisterAuthorizationMechanism(java.lang.String authtype) Unregisters the authorization mechanism for the specified authorization type

Methods inherited from class java.lang.Object

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

Constructor Detail

GroupServiceImp

public GroupServiceImp(Peer peer)

Method Detail

joinGroup

public void joinGroup(GroupAdvertisement groupad,
                      Peer parent)
               throws UnknownAuthorizationMechanismException,
                      AuthorizationException,
                      java.io.IOException

Join the group specified in the advertisement. Must be called before the group service is initialized

Specified by:

joinGroup in interface GroupService

Parameters:

groupad - the group advertisement

parent - the parent of the group peer (if known)

Throws:

UnknownAuthorizationMechanismException

AuthorizationException

java.io.IOException

init

public void init()
          throws InitializationException,
                 java.io.IOException

Initializes the group service

Specified by:

init in interface GroupService

Throws:

InitializationException

java.io.IOException

getGroupIDs

public java.lang.String[] getGroupIDs()

Specified by:

getGroupIDs in interface GroupService

Returns:

the group id hierarchy for the current group (current group id at index 0)

getGroupAdvertisement

public GroupAdvertisement getGroupAdvertisement()

Specified by:

getGroupAdvertisement in interface GroupService

Returns:

an advertisement for the current group

registerAuthorizationMechanism

public void registerAuthorizationMechanism(java.lang.String authtype,
                                           AuthorizationMechanism authmech)

Registers an authorization mechanism for the specified authorization type

Specified by:

registerAuthorizationMechanism in interface GroupService

unregisterAuthorizationMechanism

public void unregisterAuthorizationMechanism(java.lang.String authtype)

Unregisters the authorization mechanism for the specified authorization type

Specified by:

unregisterAuthorizationMechanism in interface GroupService

getAuthorizationMechanism

public AuthorizationMechanism getAuthorizationMechanism(java.lang.String type)

Specified by:

getAuthorizationMechanism in interface GroupService

Returns:

the authorization mechanism for the specified type (or null if none)

getAuthorizationTypes

public java.lang.String[] getAuthorizationTypes()

Specified by:

getAuthorizationTypes in interface GroupService

Returns:

a list of the registered authorization types

dataMessageReceived

public void dataMessageReceived(DataMessageEvent event)

Called when the endpoint receives a data message

Specified by:

dataMessageReceived in interface EndpointMessageListener