rice.p2p.replication
Interface ReplicationPolicy

All Known Implementing Classes:

ReplicationPolicy.DefaultReplicationPolicy

public interface ReplicationPolicy

Version:

$Id: ReplicationPolicy.java 2302 2005-03-11 00:58:26Z jeffh $

Author:

Alan Mislove

Nested Class Summary

static class

ReplicationPolicy.DefaultReplicationPolicy The default policy for Replication, which simply does a direct diff between the sets

Method Summary

IdSet

difference(IdSet local, IdSet remote, IdFactory factory) This method is given a list of local ids and a list of remote ids, and should return the list of remote ids which need to be fetched.

Method Detail

difference

public IdSet difference(IdSet local,
                        IdSet remote,
                        IdFactory factory)

This method is given a list of local ids and a list of remote ids, and should return the list of remote ids which need to be fetched. Thus, this method should return the set B-A, where the result is a subset of B.

Parameters:

local - The set of local ids

remote - The set of remote ids

factory - The factory to use to create IdSets

Returns:

A subset of the remote ids which need to be fetched