}
private void initNormaliser() {
Object value = configuration.get(IndexingConstants.KEY_SCORE_NORMALIZER);
if(value == null){
this.scoreNormaliser = new DefaultNormaliser();
} else {
ScoreNormaliser normaliser = null;
ScoreNormaliser last = null;
List<ConfigEntry> configs = parseConfigEntries(value.toString());
for(int i=configs.size()-1;i>=0;i--){