| package com.google.code.gossip.manager.random; |
| |
| import java.util.ArrayList; |
| import java.util.Random; |
| |
| import com.google.code.gossip.GossipService; |
| import com.google.code.gossip.LocalGossipMember; |
| import com.google.code.gossip.manager.GossipManager; |
| import com.google.code.gossip.manager.impl.SendMembersActiveGossipThread; |
| |
| public class RandomActiveGossipThread extends SendMembersActiveGossipThread { |
| |
| /** The Random used for choosing a member to gossip with. */ |
| private Random _random; |
| |
| public RandomActiveGossipThread(GossipManager gossipManager) { |
| super(gossipManager); |
| _random = new Random(); |
| } |
| |
| /** |
| * [The selectToSend() function.] Find a random peer from the local membership list. In the case |
| * where this client is the only member in the list, this method will return null. |
| * |
| * @return Member random member if list is greater than 1, null otherwise |
| */ |
| protected LocalGossipMember selectPartner(ArrayList<LocalGossipMember> memberList) { |
| LocalGossipMember member = null; |
| if (memberList.size() > 0) { |
| int randomNeighborIndex = _random.nextInt(memberList.size()); |
| member = memberList.get(randomNeighborIndex); |
| } else { |
| GossipService.LOGGER.debug("I am alone in this world."); |
| } |
| return member; |
| } |
| |
| } |