/**
* This assumes the RegionPlan HSI instances are the same ones in the map, so actually no need to
* even pass in the map, but I think it's clearer.
*
* @param list
* @param plans
* @return
*/
protected List<ServerAndLoad> reconcile(
List<ServerAndLoad> list,
List<RegionPlan> plans,
Map<ServerName, List<HRegionInfo>> servers) {
List<ServerAndLoad> result = new ArrayList<ServerAndLoad>(list.size());
Map<ServerName, ServerAndLoad> map = new HashMap<ServerName, ServerAndLoad>(list.size());
for (ServerAndLoad sl : list) {
map.put(sl.getServerName(), sl);
}
if (plans != null) {
for (RegionPlan plan : plans) {
ServerName source = plan.getSource();
updateLoad(map, source, -1);
ServerName destination = plan.getDestination();
updateLoad(map, destination, +1);
servers.get(source).remove(plan.getRegionInfo());
servers.get(destination).add(plan.getRegionInfo());
}
}
result.clear();
result.addAll(map.values());
return result;
}
protected TreeMap<ServerName, List<HRegionInfo>> mockUniformClusterServers(int[] mockCluster) {
int numServers = mockCluster.length;
TreeMap<ServerName, List<HRegionInfo>> servers = new TreeMap<ServerName, List<HRegionInfo>>();
for (int i = 0; i < numServers; i++) {
int numRegions = mockCluster[i];
ServerAndLoad sal = randomServer(0);
List<HRegionInfo> regions = uniformRegions(numRegions);
servers.put(sal.getServerName(), regions);
}
return servers;
}