net.sf.jgcs
Interface Protocol

All Known Implementing Classes:

AbstractMultiThreadedPollingProtocol, AbstractPollingProtocol, AbstractProtocol

public interface Protocol

This interface defines a Protocol represents an instance of the toolkit used to implement the Group Communication Service (GCS). This interface must be used to create instances of DataSession and Control Session.

Version:

1.0

Author:

Nuno Carvalho

See Also:

DataSession, ControlSession, GroupConfiguration

Method Summary

ControlSession	openControlSession(GroupConfiguration group) Creates a new Control Session.
DataSession	openDataSession(GroupConfiguration group) Creates e new Data Session.

Method Detail

openDataSession

DataSession openDataSession(GroupConfiguration group)
                            throws JGCSException

Creates e new Data Session. This session must be used to send messages and to register a listener to receive messages from the other members of the group.

Parameters:

group - the configuration.

Returns:

a new data session.

Throws:

JGCSException

openControlSession

ControlSession openControlSession(GroupConfiguration group)
                                  throws JGCSException

Creates a new Control Session. This session must be used to join a group and register a listener to receive asynchronous notifications about the other members of the group (join, leave, fail).

Parameters:

group - the group configuration.

Returns:

a new control session.

Throws:

JGCSException